All products · 8 of 1440
Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.

220-240V AC Swing Motor Gear Motor for Air Cooler Synchronous Motor
[AC Motor] The 220-240V AC Swing Motor Gear Motor is a compact synchronous motor specially designed for air cooler oscillation and swing movement applications. It delivers smooth and stable low-speed rotation, making it ideal for automatic airflow control systems. In addition, the motor operates directly on standard 220-240V AC power, eliminating the need for external driver circuits. As a result, it can be easily integrated into household appliances and industrial cooling equipment. Because of its synchronous motor design, the motor maintains stable rotational speed based on the AC supply frequency. Furthermore, the built-in gear reduction mechanism provides controlled torque and smooth swing movement with low noise operation. The motor is designed for continuous duty applications and features low power consumption with reliable long-term performance. Moreover, the compact body and screw-mount design allow quick installation and easy replacement in air coolers and oscillation systems. This synchronous swing motor is widely used in air coolers, ventilation systems, oscillating fans, automation projects, and household appliances. 🔹 Key Features Designed for air cooler swing operation Operates directly on 220-240V AC supply Smooth synchronous gear motor operation Stable low-speed rotation Low noise and low power consumption Compact and lightweight construction Durable internal gear mechanism Suitable for continuous operation 🔹 Technical Specifications Product Type: AC Synchronous Swing Motor Motor Type: Gear Reduction Synchronous Motor Operating Voltage: 220V–240V AC Rated Frequency: 50/60Hz Rotation Speed: Typically 4–6 RPM (depends on model) Power Consumption: Approx. 4W–5W Rotation Direction: CW / CCW Gear Mechanism: Internal Reduction Gear Shaft Type: Metal Round-Shaft Mounting Type: Screw Mount Insulation Class: Class E Body Material: Metal + Plastic Operating Temperature: -10°C to +55°C Noise Level: Low Noise Operation Duty Cycle: Continuous Duty Application Type: Swing / Oscillation Mechanism 🔹 Working Principle This motor works using synchronous AC motor technology, where the rotor rotates according to the AC supply frequency. The internal reduction gears decrease the motor speed while increasing torque, allowing smooth and controlled oscillation movement. 🔹 Applications This swing motor is suitable for many electrical and mechanical applications, including: Air coolers Oscillating fans Ventilation systems Swing control mechanisms Household appliances Automation systems DIY electronics projects 🔹 Package Includes 1 × 220-240V AC Swing Motor Gear Motor

HC-05 6pin Bluetooth Module with Button
[Bluetooth Module] HC-05 Bluetooth Module Are you in search of an HC-05 Bluetooth Module, a versatile and cost-effective solution for your wireless communication needs? Look no further. This Bluetooth module offers seamless wireless communication for a wide range of applications, from GPS navigation systems to water and electricity meter readings. Whether you're an electronics enthusiast, a DIY hobbyist, or a professional looking for competitive pricing, this module is designed to meet your requirements. The HC-05 Bluetooth Module lets you switch between Master and Slave modes with ease using AT Commands, and it comes pre-configured in Slave Mode. Its compatibility with devices such as phones, laptops, and microcontrollers ensures hassle-free connectivity. With a USART interface, it's a perfect fit for microcontrollers supporting USART communication. Plus, you can configure its settings effortlessly using the command mode. Ideal for DIY projects and data exchange, this Bluetooth module provides LED feedback for seamless operation, giving you the best bang for your buck. Buy the HC-05 Bluetooth Module today and enjoy top-notch wireless communication at a competitive price. The HC-05 Bluetooth Module with Baseplate is a slave-only device. This means that it can connect to most phones and computers with Bluetooth but it cannot connect to another slave-only device such as keyboards and other HC-06 modules. To connect with other slave devices a master module would be necessary such as the HC-05 module ,which can do both master and slave. The slave mode in HC-05 Bluetooth cannot initiate a connection to another Bluetooth device but can accept connections. Master mode can initiate a connection to other devices. Key Features: Working current: matching for 30 mA, matching the communication for 8 mA. With the computer and Bluetooth adapter, PDA, seamless connection equipment. Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards. Potter default rate of 9600, the user can be set up. Bluetooth protocol: Bluetooth Specification v2.0+EDR Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps. Security: Authentication and encryption. Profiles: Bluetooth serial port. HC-05 Bluetooth Module Pin Diagram: HC-05 Bluetooth Module Pin Description: Pin Number Pin Name Description 1 Enable / Key This pin is used to switch between command mode (set low) and Data Mode (set high). The default setting of this HC 05 Bluetooth module is Data Mode. 2 Vcc This pin can be used to power the Bluetooth module. It has an operating voltage of +5V DC. 3 Ground Connect the module's ground pin to the Microcontroller’s Ground Pin (GND). 4 TX – Transmitter Sends serial data to the MCU. This pin will distribute all Bluetooth data in the form of serial data to the Microcontroller. 5 RX – Receiver Obtain Serial Data. This pin will transmit all serial data that is provided to it over Bluetooth. 6 State The on-board LED attached to the state pin can be used as feedback to see if Bluetooth is functioning properly. 7 LED Indicates the status of Module Blink once in 2 sec: Command Mode Repeated Blink: Waiting for connection in Data Mode Blink twice in 1 sec: Connection successful in Data Mode 8 Button Used to control the Key/Enable pin to switch between Data Mode and command Mode HC-05 Default Values: Bluetooth Name: “HC-05” Password: 1234 or 0000 Communication: Slave Mode: Data Mode Data Mode Baud Rate: 9600, 8, N, 1 Applications Can be used for wireless communication between two microcontroller units. Communicate with Laptop mobile phones etc. Data Logging Wireless Robots DIY Home Automation Projects GPS-based DIY projects. Specifications: Serial communications 9600-115200bps Frequency 2.4~2.524 GHz Power Supply 5VDC Operating Current 30mA Range <100m Dimensions 30mm x 14mm x 2.2 mm Weight 5 grams Package Includes: 1 x HC-05 Bluetooth Module

12V 24V to QC3.0 Fast Charge Dual USB Charging Board Step-Down Module
[Step Down Buck Converter] Dual USB Output • Fast Charging • High Efficiency • Wide Input Voltage The Dual USB QC3.0/QC2.0 DC-DC Buck Converter Module is a compact and high-efficiency DC step-down power supply designed to convert 6V–32V DC input into dual USB fast-charging outputs. Equipped with two USB ports, it allows simultaneous charging of two devices while supporting multiple fast-charging protocols for maximum compatibility. Using advanced synchronous buck conversion technology, the module delivers up to 24W output power with a conversion efficiency of 90%–97%. It automatically detects compatible devices and adjusts the output voltage between 3V and 12V to provide fast, safe, and efficient charging. The module supports a wide range of charging standards including Qualcomm Quick Charge 2.0 & 3.0, Huawei FCP/SCP, Samsung AFC, Apple Charging Protocol, BC1.2, DCP, and Spreadtrum SFCP, making it suitable for charging smartphones, tablets, GPS devices, Bluetooth speakers, and other USB-powered electronics. Its wide input voltage range makes it ideal for automotive power systems, solar charging applications, battery-powered devices, industrial equipment, and DIY electronic projects. ⭐ Features Dual USB charging ports Supports Qualcomm Quick Charge 2.0 & 3.0 Wide input voltage: 6V–32V DC Automatic output voltage adjustment (3V–12V) Maximum output power up to 24W High conversion efficiency (90%–97%) Supports multiple fast-charging protocols Built-in output voltage compensation Stable and reliable performance Compact PCB design for easy installation 📋 Technical Specifications Product Type: DC-DC Buck Converter Fast Charging Module USB Output Ports: 2 Input Voltage: 6V–32V DC Default Output Voltage: 5V Fast Charging Output Voltage: 3V–12V (Automatic Negotiation) Maximum Output Power: Up to 24W Typical Output Modes: 5V / 3.4A 9V / 2.5A 12V / 2A Conversion Efficiency: 90%–97% Charging Protocols Supported: Qualcomm QC2.0 Qualcomm QC3.0 Huawei FCP Huawei SCP Samsung AFC Apple Charging Protocol BC1.2 DCP SFCP Output Voltage Compensation: Supported Cooling Method: Natural Air Cooling Mounting Type: PCB Mount Material: Metal + Plastic 🔧 Applications Suitable for: Car USB charger conversion Solar charging systems Battery-powered projects DIY power supplies Smart home electronics Mobile phone charging Tablet charging GPS devices Bluetooth speakers Industrial control equipment Portable charging stations Embedded electronic projects 📦 Package Includes 1 × Dual USB QC3.0/QC2.0 DC-DC Buck Converter Fast Charging Module

USB QC3.0 QC2.0 DC to DC Buck Converter Charging Module Fast Quick Charger
[Step Down Buck Converter] This module accepts a 6-24V Input and supports USB QC3 Charging on the output. It takes care of regulating the signals on the USB Data transer lines and offers fast charging when a compatible device is connected. Great for adding USB charging in your next project. Supports: QC2.0, QC3.0, MTK PE1.1/2.0, FOR Apple, FOR Samsung AFC,FOR Huawei FCP, FOR Spreadtrum SFCP Input voltage: DC 6~30V Output voltage: default 5V, adjust range 3~12V according to fast charging protocol Output capacity: single-port rated current 2.4A, Rated power 24W Protection measures: Output overvoltage protection, limit the output voltage does not exceed 13V (in the case of chip failure); input with a fuse. This mini DC-DC step-down voltage converter module supports 6-24V voltage input and 5V 3A output with input polarity reverse protection and output overvoltage protection, short circuit protection. It adopts synchronous rectification technology to ensure ultra-high power conversion up to 97.5% to take full use of your input power. On-board female type A USB port with identification circuit perfectly fit for smartphones as well as it can be useful to power or recharge any electronic gadget which required 5V input power up to 3A Features: Non-isolated buck module (BUCK) synchronous rectification Maximum Output Current: 3A MAX Conversion efficiency: can up to 97.5% (6.5V step down to 5V 0.7A) (after short reverse protection and fuses test value) Switch frequency: 500KHz Output Ripple: 10mV around (12V to 5V3A) 20M bandwidth Output indicator: The output voltage indicator is red Operating temperature: Industrial grade (-40 to + 85 ) (the higher the ambient temperature, the lower the output power) Output overvoltage protection: Yes, input 1.5A fuse, output 5V have 300W TVS tube clamp protection. Flat copper inductor, improve conversion efficiency With output overvoltage protection. There is a 1.5A fuse, output 5V have 300W TVS tube protect your USB device High-quality USB port Output voltage indicator (RED) Small size, Compact Size Input with reverse polarity protection diode, will not damage when input connect incorrectly Ultra-low static current, 0.85 mA only. Do not need to add switch when connected to the car battery, can be connected to car cigarette lighter cable or ACC power supply cable Ultra-small size, 26.4 (L) * 15 (W) * 7.4 (H) mm Input voltage range: 6V-32V Output voltage: default 5V, automatically adjust between 3-12V after triggering fast charge Output power: up to 24W (5V/3.4A, 9V/2.5A, 12V/2A, etc.) Output voltage cable compensation function Conversion efficiency: 90%-97% Support multiple fast charging protocols Input overvoltage and undervoltage protection Input overcurrent protection Output overcurrent, short circuit protection Machine over temperature protection Support fast charge agreement Support DCP protocol, BC1.2, Apple, Samsung protocol Support Huawei Fast Charge Protocol FCP/SCP Support Huawei Fast Charge Protocol AFC Support Spreadtrum Fast Charge Protocol SFCP · Support Qualcomm QC2.0 and 3.0 Support MTK PE1.1/PE2.0 Precautions: please enhance heat dissipation when fully used for load output(i.e. 5V@3A with 24V Input). For the ideal case (i.e. 5V@2A output with 12V Input) it does not need to enhance heat dissipation. Applications: Solar panel to mobile phone charging Car charging retrofit Driving recorder power supply Home power supply, smart plug modification Fast charge adapter Package Includes: 1 x USB Step Down DC-DC Converter Module
Out of stockA4988 driver Stepper Motor Driver- Good Quality
[Brushed DC motor Driver] Features : Automatic current decay mode detection/choice. Mixed with slow current decay mode. The low power dissipation of synchronous rectifier. Internal UVLO(ultra voltage lockout). Crossover current protection. Thermal shutdown circuit. Ground fault protection. Loading and short circuit protection. The optional five-step mode: full, 1/2, 1/4, 1/8 and 1/16. Package Includes : 1 x A4988 Stepper Motor Driver- Normal quality. 1 x Heat sink.
Out of stock12v-24v to 5V 3A Super Mini Super Size DC Step-Down Module With 97.5% Efficiency.
[Step Down Buck Converter] MINI Super Size (20 x 10 mm ) DC Step-Down Converter Power Module uses an integrally molded power inductor and synchronous rectifier control chip, smaller and more efficient. This Module can be used as a DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply, various right size and weight for demanding applications (such as aviation models, etc.) Specifications and Features: Input Voltage:DC 4.5-24V Output Voltage:integration adjustable and fixed output,back side can choose fiexd output voltage Adjustable Range:0.8-17V,fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V) Output Current:3A (max),actual testing input 12V output 1.5A Transform Efficiency:97.5%(max) (6.5 to 5V 0.7A) Switch Frequency:500KHz Output Ripple Wave:20mV (12V to 5V 3A) 20m band width Operating Temp.:-40 Celsius-85 Celsius Output Overvoltage Protection:no Static Current:0.85MA Load Adjust Rate:+-1% Voltage Adjust Rate:+-0.5% Dynamic Response Speed:5% 200uS Output Short Circuit Protection:yes Input Transposition Protection:no Enable Control:yes Package Includes: 1 x MINI Super Size DC Step-Down Module

LM2596 DC-DC Buck Converter 4.5-40V to 3-35V Adjustable Step Down Module
[Step Down Buck Converter] Introducing a high-performance DC to DC Step Down Adjustable Power Supply Module, built upon the newly developed LM2596S Wide Range Switching Regulator. With dimensions approximately 43 x 20 x 14 mm and a color as shown in the picture, this module offers reliable and efficient power regulation. Key Specifications: – Full Load Temperature Rise: 40°C – Load Regulation: ± 0.5% – Voltage Regulation: ± 0.5% – Dynamic Response Speed: 5% in 200uS – Input Voltage: 4.50-40V – Output Voltage: Adjustable in the range of 1.50-35V – Output Current: Rated at 2A, with a maximum of 3A (Additional heat sink required for maximum output) – Conversion Efficiency: Up to 92% (Efficiency increases with higher output voltage) – Switching Frequency: 150KHz – Rectifier: Non-Synchronous Rectification – Module Properties: Non-isolated step-down module (buck) – Short Circuit Protection: Current limiting, with automatic recovery – Operating Temperature: Industrial grade (-40 to +85°C) for output power of 10W or less Features: Adjustment method: first correct input power (between 4.5-50V) then multimeter to monitor the output voltage and adjust potentiometer (usually clockwise turn boost, buck turn counterclockwise), Input: IN+ input positive IN- input negative Output: OUT+ output positive OUT- output negative Static power consumption is only about 6mA. Connection: Welding, plus pin can be directly soldered after the PCB. Short circuit protection: current limiting, thermal protection, self-recovery. Non-isolated step-down (BUCK) switching regulator. Short circuit protection: Current limiting, self-recovery Potentiometer adjustment direction is as Clockwise (increase) and Anti-clockwise (decrease) Non-synchronous rectification Package Includes : 1 x LM2596 DC-DC Buck Converter 4.5-40V to 3-35V
Out of stockXL6009 DC-DC Step-Up Converter Performance Ultra LM2577 Booster Circuit Board
[Step UP Buck Converter] This CN6009 XL6009 DC – DC Step-up converter module is a non-isolated step-up (boost) voltage converter featuring adjustable output voltage and high efficiency. The module uses the second generation of high-frequency switching technology XL6009E1 core chip performance than the first generation technology LM2577. XL6009 boost module at a lower cost, superior performance. It equips 4A high-efficiency MOSFET switches, so as to provide a conversion efficiency of up to 94%. High switching frequency 400KHz, you can use a small -capacity filter capacitors that can achieve very good results, the ripple is smaller and smaller Pins IN+ input positive IN- input negative! OUT+ output positive OUT- output negative Features : The performance is much higher than LM2577. Non-isolated Boost converter. It has a non-synchronous rectifier. Small and Handy voltage regulator module. Package Includes : 1 x CN6009 XL6009 DC-DC Step-up converter module.