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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Out of stockHelping Hands Magnifier Stand
Heavy-cast iron base, dual alligator clips, 2.5x glass magnifier + LED light.

10-in-1 USB & Type-C Digital Tester – IPS Voltmeter, Ammeter, Impedance & Capacity Meter
[Ammeter and Voltmeter] The 10-in-1 USB & Type-C Digital Power Tester is a multifunction USB measurement instrument developed for engineers, technicians, hobbyists, and electronics enthusiasts. It accurately monitors USB charging performance while providing comprehensive electrical measurements for USB-A and USB Type-C devices. Equipped with a bright IPS true-color LCD display, the tester simultaneously displays ten important charging parameters including Voltage, Current, Power, Capacity (mAh), Energy (mWh), Cable Resistance, Temperature, Charging Time, D+ Voltage, and D− Voltage. The tester features both USB-A and USB Type-C input/output interfaces, allowing compatibility with traditional USB chargers as well as modern USB-C Power Delivery devices. It supports testing of fast chargers, mobile phones, tablets, laptops, power banks, USB cables, and various USB-powered electronics. With support for measurements up to 150W and 5A, this tester is suitable for high-power USB-C PD chargers while consuming less than 20mA of operating current. Built-in control buttons allow users to switch display modes, perform fast-charge diagnostics, and manage measurement functions easily. Its compact design makes it an excellent tool for electronics repair, charger verification, cable testing, battery capacity measurement, laboratory work, and DIY electronics projects. 🔹 Key Features Dual Interface: USB-A & USB Type-C Input/Output Supports USB PD and Fast Charging IPS Full Color LCD Display Measures Voltage, Current and Power Capacity (mAh) & Energy (mWh) Measurement Cable Resistance (Impedance) Measurement Internal Temperature Monitoring USB D+ / D− Voltage Detection Charging Timer Function High Accuracy Measurement Low Self Power Consumption Compact Portable Design Easy Operation with Dedicated Function Buttons 🔹 Technical Specifications Product Type: USB Digital Power Tester Display: IPS True Color LCD Input Interface: USB-A / USB Type-C Output Interface: USB-A / USB Type-C Maximum Power Measurement: 150W Maximum Current: 5A Voltage Measurement: USB Standard & USB-C PD Power Measurement Range: 0–150W Current Measurement: Up to 5A Capacity Measurement: mAh Energy Measurement: mWh Impedance Measurement Range: 1–999.9Ω Temperature Measurement: 0°C to 80°C USB D+ Voltage Range: 0–2.99V USB D− Voltage Range: 0–2.99V Timer Range: 999 Hours 59 Minutes Refresh Rate: Approximately 500ms Self Power Consumption: <20mA Operating Buttons: Mode / Power Dimensions: 76.9 × 38 × 11 mm 🔹 Applications This USB tester is suitable for: USB charger testing USB-C PD charger testing Power bank capacity testing Mobile charger verification Fast charging protocol diagnostics USB cable resistance testing Laptop USB-C charger testing Electronics repair DIY electronics projects Laboratory measurements Battery charging analysis Quality inspection of USB power supplies 🔹 Package Includes 1 × 10-in-1 USB & Type-C Digital Power Tester 🔹 Frequently Asked Questions (FAQ) What does "10-in-1" mean? It measures ten important parameters: Voltage, Current, Power, Capacity, Energy, Impedance, Temperature, Charging Time, D+ Voltage, and D− Voltage. Does it support both USB-A and USB Type-C? Yes. It features both USB-A and USB Type-C input and output interfaces. What is the maximum power it can measure? Up to 150W. What is the maximum current supported? Up to 5A. Can it test USB-C laptop chargers? Yes. It supports high-power USB-C PD chargers up to 150W. Can it measure charging cable quality? Yes. It measures cable impedance from 1Ω to 999.9Ω. Does it display temperature? Yes. It includes an internal temperature sensor with a range of 0°C to 80°C. Does it require batteries? No. It is powered directly from the connected USB source. Can it measure power bank capacity? Yes. It records charging capacity in mAh and mWh. Does it support fast charging protocols? Yes. It can monitor USB D+ and D− voltages, helping identify fast charging protocol handshakes.
Out of stockN20 3-6V 60RPM digital clock Micro Metal Gear Motor
[Gear Motor] Overview of this N20 3-6V 60RPM digital clock motor Introducing the N20 3-6V 60RPM Digital Clock Micro Metal Gear Motor. A compact and reliable motor designed for precise and efficient time keeping device. With a specific focus on digital clock mechanisms. This motor work on 3-6V range. And also provide high performance to drive the intricate components of digital timepieces. The motor’s work on 60RPM speed & also ensure smooth movement for the best function of digital clocks. This N20 Digital Clock Motor with 60RPM gives quiet and low vibration operation. It also make it best choice for clock mechanisms where minimal noise is crucial. The metal gear construction adds durability and reliability to the motor. And also confirms that this is a long life and consistent performance over time. The N20 3-6V 60RPM Micro Metal Gear Motor gives the ideal combination of power and precision for your clock project. In summary, the N20 3-6V 60RPM Digital Clock Micro Metal Gear Motor is tailored for digital clock applications. And also offer a versatile voltage range, precise 60RPM speed, and durable metal gear construction. Upgrade your clock projects with this reliable and efficient motor for accurate timekeeping. Features Voltage Versatility: The N20 3-6V 60RPM Digital Clock Micro Metal Gear Motor excels with its adaptable voltage range of 3-6V. And also offer flexibility for easy use in various digital clock project. Precise 60RPM Speed: Featuring a specific 60 revolutions per minute (RPM) speed. This motor also ensure precise and smooth movement in digital clocks, guarantee accurate timekeeping without any disruptions. Low Noise and Vibration: Crafted for a quiet operation, the N20 Digital Clock Motor minimizes both noise and vibration. And also provide an ideal solution for clock device where a tranquil environment is important. Durable Metal Gear Construction: The motor’s robust metal gear construction enhances durability and reliability, promising a prolonged lifespan and consistent performance for sustained and dependable timekeeping. Compact and Efficient: With its compact design. This micro metal gear motor efficiently drives clock mechanisms. It also make it best choice for digital clock projects where space efficiency is paramount. Specification Specification Details No Load Current (mA) 0.04 A Stall Current (A) 0.67 Rated Torque (kg-cm) 0.65 Stall Torque (Kg-Cm) 2.6 Motor Body Size (Diameter) (mm) 12 Operating Voltage (VDC) 3 ~ 6 Rated Operating Voltage (VDC) 6 No Load Speed (RPM) 60 Rated Speed (RPM) 60 Shaft Type D-type, Single Side Shaft Diameter (mm) 3 Weight (gm) 12 Output Axial Length (mm) 10 Fuselage w/o Shaft Length 26 Main use of this N20 3-6V 60RPM metal gear motor Digital Clock Mechanisms: The N20 3-6V 60RPM Motor is perfect for powering the precise movement of digital clock hands. And ensure accurate timekeeping in various clock designs. Robotics Applications: This motor is perfect for small scale robotics projects & provide a compact and efficient solution with precise torque for specific robotic movements. Educational Projects: Valuable for educational purposes, the N20 3-6V 60RPM Motor serves as an excellent tool for teaching basic motor mechanics, voltage concepts, and RPM principles. DIY Electronic Devices: Versatile for DIY enthusiasts, this motor is ideal for creating electronic devices like rotating displays or small gadgets, demanding controlled and consistent motion. Automated Systems: In automated systems, the N20 Motor plays a crucial role where controlled and reliable motor movement is important & contribute to the efficiency of various automated mechanisms. Package Includes: 1 x N20 3-6V 60RPM digital clock Micro Metal Gear Motor

DC 3.6V-6V To 400KV Boost Step Up Power Module High Voltage Generator
[Step UP Buck Converter] Description Overview of this 3.6V-6V To 400KV step up high voltage generator Introducing the DC 3.6V-6V To 400KV Boost Step Up Power Module, a high voltage generator designed for various applications. This module operates efficiently, converting input voltages between 3.6V and 6V into an impressive 400KV output. Its step-up capability makes it an ideal choice for applications requiring high voltage, offering reliability and performance. Equipped with advanced technology, this boost converter ensures stable and consistent high voltage generation. Its compact design allows for versatile use in projects where space is a consideration. The 3.6V-6V To 400KV high voltage generator module is a trusted solution higher voltage. It is also use by enthusiasts, hobbyists, and professionals seeking a compact and efficient way to generate high voltages for experiment and electronic projects. Feature Input Voltage Range: The module operates easily within the input voltage range of 3.6V to 6V. And it also provide flexibility for a variety of power sources. High Voltage Output: With an impressive output voltage of 400KV. This module is also designed to deliver a trusted high voltage power supply for your projects. Efficient Boost Conversion Technology: Employing advanced step-up conversion technology. This module ensures efficiency to boost the input voltage to the desired 400KV output. Compact Design: The module feature a compact and space saving design. And also make it perfect for use in various electronic projects and experiments where space efficiency is crucial. Versatile Applications: Whether you’re engage in experiment setups, electronic project, or applications that demand a robust high voltage generator. This module proves to be a versatile and dependable solution. Specification Specification Details Input Voltage Range 3.6V – 6V Output Voltage 400KV Conversion Type Boost (Step Up) Efficiency Upto 93% Compact Design Yes, space-efficient for various applications Technology Advanced step-up conversion technology Applications Versatile, suitable for diverse high-voltage needs Weight 150gm Built-in Protections Overcurrent protection and input reverse polarity protection Main application of this 3.6V-6V To 400KV step up high voltage generator Educational Projects: This 3.6V-6V To 400KV high voltage generator module is perfect for education purposes. And also offers a hands on approach for students to delve into the fascinating world of physics and electronics. Whether used in classrooms or home based experiments. It also provides a safe and effective means to understand the principles of voltage conversion and boost circuit. High Voltage Experiments: For electric students who are passionate about exploring the realms of high-voltage electronics. It allows users to conduct a wide array of experiments and projects that need an elevated voltage levels. And also enable a deeper exploration of electronic phenomena and electric behavior. Electronic Prototyping: In the realm of electronic prototyping, where the translation of conceptual designs into tangible electronic circuits takes place. This power module serves as a key component. Its ability to deliver higher voltage levels becomes crucial for testing and refining prototypes. And also ensure that electronic devices meet their voltage requirements effectively. Scientific Research: 3.6V-6V To 400KV high voltage generator is also use as a trusted asset in their experiments. The capacity to generate high voltage is often important for various scientific studies. Electronic Art Installations: For artists working on electronic art installations that demand unique lighting effects or interactive elements with heightened voltage. this power module also use as a creative medium. Package Includes: 1 x 400KV Step Up Power Module

DC 3V-6V to 1000KV 1000000V Boost Step-up Power Module
[Step UP Buck Converter] Description Overview of this DC 3V-6V to 1000KV step up high voltage generator The DC 3.6V-6V To 1000KV Boost Step Up Power Module is a cutting edge high voltage generator designed for diverse applications. With a focus on safety and efficiency. This module easily transforms low input voltages of 3.6V to 6V into a powerful output up to 1000KV. Ideal for high-voltage experiments, education purposes, and prototype. It also provides a versatile solution for various electronic projects. Featuring advanced step-up DC conversion technology, this module ensures stable and reliable performance. Its compact design also make it perfect for use in a wide range of projects. The input range of 3V-6V offers flexibility, and the adjustable output allows users to fine-tune the voltage as needed. With a focus on user safety, the module includes built-in protective featur to prevent overloading and ensure efficient operation. This makes it an excellent choice for experimentation. And also enable users to observe and understand high-voltage principles while maintaining a reliable and secure environment. Elevate your projects with this versatile high-voltage generator, perfect for education institute, research lab. Features High Voltage Output for Varied Applications: The DC 3V-6V to 1000KV high voltage generator also contain a remarkable high voltage output. This capability opens the door to a wide range of experimental setups, scientific projects, and practical applications where such high voltage are important. Versatile Compatibility with Input Range: Operating easily within the input voltage range of 3.6V to 6V. This module offers versatility and compatibility with different power sources. This adaptability ensures its applicability across a diverse array of electronic projects. Compact and Space-Efficient Design: With dimensions 50mm x 30mm x 25mm, the module compact design provide easy integration into various electronic setups. Its space efficient form factor is ideal for projects with size constraints. Precision with Adjustable Output: The module provides users with the flexibility to fine-tune the output voltage according to specific project needs. This adjustability ensure precision in voltage control, catering to the needs of different applications. Enhanced Safety through Built-in Protection: This module prioritizes it by incorporating built in protection mechanism. These feature prevent over loading and ensure a secure and reliable high voltage generation experience. Specifications: Specification Value Input Voltage (V) 3.3V~5V DC Maximum Operating Current (A) 2 – 5 Max. Output Voltage 1000 KV Max. Output Current (A) 0.5 A Discharge Time 10s Color Black Length (mm) 8.8 Width (mm) 2.67 Height (mm) 2.3 Weight (gm) 45 Efficiency Up to 93% Main application of this DC 3V-6V to 1000KV step up high voltage generator High-Voltage Experiments and Demonstrations: This versatile DC 3V-6V to 1000KV Boost Step up Power Module is perfect for safely conduct a wide range of high voltage experiment. This module also use an important tool for showcase the principle of high voltage in a controlled environment. Education tools: Elevate your physics and electronics education with the inclusion of this module in class room activities. The adjustable high voltage output allows students to explore various aspects of electricity. And foster a hands on learning experience that enhance knowledge. Powering Electronic Projects: Integrate this module into your electronic projects that demand a reliable and adjustable high voltage power source. Its compact design and efficiency make it perfect to power various electronic applications where precise control over voltage is crucial for optimal project performance. Captivating Static Electricity: Capture the attention of audiences with captivating static electricity demonstrations. This module provides the necessary power to create visually striking and education displays. Research and Development in Electric Engineering: For professionals in electric engineering and researcher. This module also use a valuable asset in research and development. Its efficiency and versatility make it an ideal tool for testing projects in the field of electric engineering. Package Includes: 1 x 1000KV Step Up Power Module
Out of stockN20 12V 100rpm Micro Metal Gear DC Motor(High Torque) With JST Wire & Dust Cover
[Gear Motor] Overview of this N20 6-12V 100RPM metal gear motor Introducing the N20 6-12V 100rpm Micro Metal Gear DC Motor with High Torque, featuring exceptional durability and performance. This N20 metal gear motor boasts high torque. It also make it an ideal choice for various device who need robust and high rotational power. It is also built with a dust cover and a JST wire. This N20 6-12V dc gear motor also ensure protection against external elements for long life. Engineered for efficiency, the N20 6-12V 100RPM metal gear motor is designed to deliver a consistent and powerful rotational force. Its high torque capabilities make it perfect for applications demanding reliability, such as robotics, DIY projects, or small machinery. The inclusion of a dust cover enhances the motor’s resilience, ensuring it remains operational in challenging conditions. It also come with waterproof and dustproof features. This N20 100RPM dc gear motor stands out as a durable and versatile solution for your high torque needs. Trust the N20 6-12V dc gear motor with dust cover to provide a dependable and durable solution for your projects. And combine high torque performance with protective features for long life. Features High Torque Performance: The N20 6-12V 100RPM metal gear motor stands out with its high torque capabilities. And also ensure it can easily handle device who need robust and powerful rotational force. Dust Cover Protection: It also Feature a built in dust cover. This N20 dc gear motor is well protected against external particles. The dust cover also ensure the motor work in various environment. Waterproof Design: With a waterproof design, the N20 100RPM dc gear motor is ready to perform in harsh conditions. Its waterproof features add an extra layer of durability, making it a versatile solution for applications where exposure to liquids is a concern. JST Wire Connectivity: The N20 6-12V 100RPM metal gear motor comes equipped with a JST wire. And also provide a easy and secure connection for easy use in electronic project. This feature streamlines the setup process, making it user-friendly for both hobbyists and professionals. Versatile Applications: Designed for versatility, this N20 dc gear motor is suitable for a range of applications, including robotics, DIY projects, and small machine. Its adaptability and durability make it a go-to choice for various projects where high rotational power is important. Specification Specification Description Stall Current (A) 0.75 Rated Torque (kg-cm) 0.97 Stall Torque (Kg-Cm) 3.0 Motor Body Size (Diameter) 12mm Operating Voltage (VDC) 6 – 12 Rated Operating Voltage (VDC) 12 No Load Speed (RPM) 100 Rated Speed (RPM) 100 Shaft Type D-type, Single Side Shaft Diameter (mm) 3 Weight (gm) 12 Output Axial Length (mm) 10 Fuselage w/o Shaft Length (mm) 26 Screw Size M3 Protection Dust cover Main use of this N20 6-12V 100RMP waterproof dustproof dc gear motor Robotics Projects: The N20 6-12V 100RPM metal gear motor is also use for precise rotational movements in robotics device, offering high torque and reliability. DIY Electronics: DIY enthusiasts can also use high torque performance of this dc gear motor in various electronic projects. Small Machinery: The N20 motor with its high torque is perfect for applications in small machine. And provide efficient and dependable rotational power. Automation Systems: This motor easily fit into automation systems, contributing to enhanced machine performance with its robust and controlled rotational power. Educational Purposes: In education labs and projects, the N20 100RPM dc gear motor serves as a valuable tool. And also allow students to gain hands on experience and insights into motor mechanics and applications.

Bluetooth MP3 Decoding Board Module with inbuilt SD Card Slot / USB / FM / and Remote Control
[Audio, Audio Receiver] Bluetooth MP3 Decoder Board Module with USB, SD Card, FM Radio, AUX & Remote Control The Bluetooth MP3 Decoder Board Module is a compact and versatile multimedia audio player designed to add multiple audio playback options to DIY speakers, amplifier systems, home theaters, car audio systems, portable speakers, and custom audio projects. It combines Bluetooth, USB, SD/TF card, AUX input, and FM radio functions in a single convenient module. The module can be connected to a compatible audio amplifier board to create a complete multimedia audio system. It features a clear LCD display for displaying playback information, input mode, track details, and FM frequency. An included IR remote control allows convenient wireless operation from a distance. With support for popular audio formats including MP3, WMA, WAV, FLAC, and APE, the module provides flexible playback options for different music sources. ⭐ Key Features Bluetooth wireless audio receiver Built-in USB port for music playback Built-in SD/TF card slot FM radio function AUX audio input Supports USB / SD / Bluetooth / FM / AUX source selection Stereo digital audio output LCD display for playback information Includes IR remote control Supports folder selection and organized playback Supports Bluetooth stereo audio Hands-free calling support as specified Compact design for easy installation Suitable for DIY audio projects 📋 Technical Specifications Product Type: Bluetooth MP3 Decoder Board Bluetooth: Bluetooth Audio Receiver Audio Output: Stereo Digital Audio Output Input Sources: Bluetooth / USB / SD (TF) Card / AUX / FM USB Support: Yes SD/TF Card Slot: Yes FM Radio: Yes AUX Input: Yes Display: Seven segment Display Remote Control: IR Remote Included Audio Formats: MP3 / WMA / WAV / FLAC / APE Bluetooth Function: Wireless Audio Playback / Hands-Free Calling Playback Function: Folder Selection & Music Playback Installation: Audio Amplifier / DIY Speaker System Application: DIY Speakers, Home Theater, Car Audio, Portable Audio Systems Mounting Type: Panel / Enclosure Mount Power Supply: Refer to the specific module version before connection Output Connection: Connect to a compatible amplifier input Module Type: Multi-Function Audio Decoder Board 🔧 Applications DIY Bluetooth Speakers Portable Speaker Systems Home Theater Upgrades Car Audio Modification Amplifier Projects Multimedia Speaker Repair Custom Audio Systems DIY Music Players Portable Audio Systems Electronic Audio Projects 🛠️ How It Works The module works as a multi-function audio source and decoder. Select Bluetooth, USB, SD/TF card, AUX, or FM radio as the required audio source. The module decodes the selected audio signal and provides a stereo audio output that can be connected to a compatible amplifier board. For a DIY speaker project, connect the decoder module to a suitable amplifier and then connect the amplifier to the speakers. The included IR remote can be used to control playback, mode selection, track selection, volume, and other supported functions. 🔌 Installation Connect the module to a compatible power supply according to the specifications of the particular module version. Connect the audio output to the input of a suitable amplifier board and connect the amplifier output to the speakers. Insert a compatible USB drive or SD/TF card containing supported audio files, or pair the module with a Bluetooth device. AUX input and FM radio can also be selected using the module controls or remote control. 📦 Package Includes 1 × Bluetooth MP3 Decoder Board Module with USB / SD / FM / AUX 1 × IR Remote Control 1 × Power & Signal Connecting Cable ⚠️ Precautions This module is not recommended for beginners without basic electronics knowledge. Check the module's required supply voltage and polarity before powering it. Ensure all wiring is correct before switching on the power. Connect the audio output to a compatible amplifier input. Do not connect speakers directly to the decoder output unless confirmed by the specific module version. Avoid short circuits between power and signal connections. Do not expose the board to water or excessive moisture. We are not responsible for damage caused by incorrect wiring, improper installation, or misuse.
Out of stockHongli 18650 3.7V 3000mAh Lithium-Ion Rechargeable Cell
[Lithium Battery Cell] HONGLI Lithium-ion 18650 3.7V 3000mAh Battery Cell This Li-Ion 18650 3.7V 3000MAH Battery gives value for your money. It is a single cell, compact, and powerful battery cell with 3000 mAh capacity(Not actual capacity). It is very convenient to install in your project to fulfill a 3.7 Volt requirement with high capacity. The battery terminals can use in any compatible battery adapter/holder or it can be permanently soldered to your application’s power source wires. This is copy cells capacity may be different. Important: Never completely discharge the Li-ion battery ( below 2.5V under load ). Charge fully to 4.2V before first use. Never attach any metal moving part |magnet| to the top-positive or the bottom-negative battery contact. Never use force to install (insert) Li-ion battery. Do not use old and new battery cells together. Use only a high-quality battery charger. Do not expose to heat. Do not short (connect) positive (top), and negative (bottom) battery terminals (contacts). Keep battery that is not in use in the plastic holder (or any insulating [plastic] container). Do not charge a battery over 4.22V (another reason to use a high-quality battery charger). Don’t charge unattended. Do not store your li-ion batteries fully charged (for an extended period of time). Store in cold and dry place at approximately 3.7V (storage charge). After the battery is discharged-don’t leave it discharged=>charge it as soon as possible Features/Specs: Manufacturer: HONGLI SUPPLY SOURCE TECHNOLOGY Battery Type: Lithium-Ion Battery Battery Model: 18650 Battery Voltage: 3.7V Full Charging voltage: 4.20V Battery Capacity: 3000 mAh Rechargeable: Yes PCB Protected Board: No Shape: Cylindrical Battery Dimensions in: mm Dia: 18mm Length: 65mm Weight: 39gm Application: Portable equipment: POS, Portable printer, handset. Medical instrument: B ultrasound, Ecg monitoring instrument Military equipment: IR telescope Consumer electronics:PDA,MID,laptop,emergency light power source power tool e-bicycle Industrial and commercial instrument: light power meter, Gas testing instruments, fusion splicer, flaw detector Electric toy:RC car/ boat/helicopter Package Includes: 1 x HONGLI Lithium-ion 18650 3.7V 3000mAh Battery Cell Note: Product Images are shown for illustrative purposes only and may differ from the actual product.

TPA3116D2 50W+50W Dual Channel Mini Digital Amplifier Class D Amplifier
[Amplifier Board] XH-M562 TPA 3116 D2 50Wx2 Dual Channel Mini Digital Amplifier Board DC 12V The XH-M562 TPA 3116D2 50W+50W Dual Channel Mini Digital Class D Amplifier. Allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the TPA 3116D2 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Features : Dual-channel stereo, high output power (50w + 50w power @ 12V ). Good sound quality. Double panel wiring solves crosstalk. Supermini design allows it to be easily placed in a variety of digital products. Filterless, Low Quiescent Current and Low EMI. Superior Low Noise. Short Circuit Protection. Thermal Shutdown APPLICATION : Bluetooth Stereo Audio hands-free/headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones
Out of stockADXL345 Tripple Axis Accelerometer Board
[Accelerometer and Gyro Sensor] ADXL345 Tripple Axis Accelerometer Board is a small, thin, low-power, 3-axis accelerometer with a high resolution (13-bit) measurement at up to ±16g. Digital output data is format as a 16-bit two’s complement and is accessible through either an SPI (3- or 4-wire) or I2C digital interface. The ADXL345 Tripple Axis Accelerometer Board is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0°. Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion and if the acceleration on any axis exceeds a user-set level. Tap sensing detects single and double taps. Free-fall sensing detects if the device is falling. These functions can be mapped to one of two interrupt output pins. An integrated, patent-pending 32-level first-in, first-out (FIFO) buffer can be used to store data to minimize host processor intervention. Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation. Applications : Pointing devices. Handsets. Medical Instrumentation. Gaming. Industrial instrumentation. Personal navigation devices. Hard disk drive (HDD) protection. Fitness equipment. defense and aerospace. Note: This package does not include the Arduino board, you have to buy it separately. Features : Ultra-Low Power: 40µA in measurement mode, 0.1µA in standby@ 2.5V. Free-Fall Detection. Tap/Double Tap Detection. Flexible interrupt modes mappable to either interrupt pin Measurement ranges selectable via serial command Bandwidth selectable via serial command Wide temperature range (−40°C to +85°C). 10,000 g shock survival. Support 5V/3.3V voltage input, onboard RT9161 power chip, lower pressure drop faster than 1117, the faster load speed of response, very suitable for high-noise power supply environment. User-selectable resolution Fixed 10-bit resolution. Full resolution, where resolution increases with G range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all G ranges). Package Includes : 1 x ADXL345 Tripple Axis Accelerometer Board.

PAM8403 5V Two-channel Stereo Mini Class-D 3W+3W Audio Amplifier
The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier. Allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Features : Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load). Good sound quality. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI. Superior Low Noise. Short Circuit Protection. Thermal Shutdown Application : Bluetooth Stereo Audio hands-free/headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones