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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
PIR Motion Detector Module
Outputs high digital pulse when motion is detected.
Out of stock8BitDo Pro 2 Bluetooth Controller
Multiplatform Bluetooth + USB-C, rumble, motion controls, Switch + PC + Android + iOS.
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
Micro 130 DC Motor 3V-6V High Speed Brushed DC Motor (9000–13000 RPM)
[General DC Motor] The Micro 130 DC Motor is a compact, lightweight, and high-performance brushed DC motor widely used in hobby electronics, robotics, educational kits, and battery-powered devices. Operating on 3V to 6V DC, it delivers a no-load speed of 9,000–13,000 RPM, making it suitable for applications requiring high-speed rotary motion in a compact form factor. Designed with a durable metal housing and a precision 2mm output shaft, this motor provides smooth operation, stable performance, and excellent reliability. Its compact dimensions make it easy to integrate into small electronic projects where space is limited. The motor can be easily connected to Arduino, Raspberry Pi, ESP32, motor driver modules, and other microcontroller platforms, making it an excellent choice for beginners, students, hobbyists, and professionals. Whether you're building a robot, smart car, mini fan, science experiment, or replacing a toy motor, the Micro 130 DC Motor offers dependable performance and long service life. ⭐ Features Compact and lightweight Micro 130 brushed DC motor Operating voltage from 3V to 6V DC High-speed operation up to 13,000 RPM Durable metal housing for long service life Precision 2mm output shaft Smooth and stable performance Low power consumption Easy two-wire connection Supports clockwise and counter-clockwise rotation Ideal for battery-powered applications Perfect for DIY electronics, robotics, and educational projects 📋 Technical Specifications Product Type: Brushed DC Motor Model: Micro 130 Operating Voltage: 3V – 6V DC Motor Speed: 9,000–13,000 RPM (No Load) Motor Type: Brushed DC No Load Current: 0.5A – 0.9A Shaft Diameter: 2mm Shaft Length: 8mm Rotation Direction: Clockwise (CW) / Counter-Clockwise (CCW) by reversing supply polarity Terminal Type: Solder Tabs Housing Material: Metal Weight: Approx. 18g 🔧 Applications The Micro 130 DC Motor is suitable for a wide range of applications, including: Robotics Projects Arduino Projects Raspberry Pi Projects ESP32 Projects RC Cars Toy Vehicles DIY Electronics Mini Cooling Fans Small Water Pumps Educational STEM Kits Science Experiments Battery-Operated Devices Automation Projects Prototype Development Hobby Electronics 📦 Package Includes 1 × Micro 130 DC Motor (3V–6V)Note: Product images are for reference only. The actual product may differ slightly due to manufacturing revisions or supplier changes. For bulk purchases, we recommend ordering a sample first or contacting customer support to verify the latest product images and specifications.
Stepper Motor(28YBJ-48) with SMD ULN2003 Driver Board
[Servo Motor] The 28BYJ-48 Stepper Motor with ULN2003 Driver Board is a compact, reliable, and low-cost 5V geared stepper motor kit designed for Arduino, robotics, automation, and embedded control applications. This motor features a 4-phase, 5-wire configuration with an integrated reduction gearbox, delivering high torque and precise positioning at low speeds. One of the biggest advantages of a stepper motor is its ability to operate accurately in an open-loop control system, eliminating the need for expensive feedback sensors or encoders. The motor position is precisely controlled by simply counting the input step pulses. The included ULN2003 driver board acts as a signal amplifier, allowing low-power control signals from microcontrollers such as Arduino, Raspberry Pi, ESP32, and 8051 to safely drive the stepper motor. The driver board also features four LED indicators (A, B, C, D) that display the working status of each phase in real time, making testing and debugging easy. With its compact size, plug-and-play connector, stable operation, and high reliability, this stepper motor kit is ideal for robot arms, CNC projects, camera sliders, 3D mechanisms, automation systems, and educational electronics projects. ⭐ KEY FEATURES ✔ 28BYJ-48 Mini Geared Stepper Motor – 5V DC✔ 4-Phase, 5-Wire Configuration✔ Includes ULN2003 Stepper Motor Driver Board✔ Open-Loop Precise Control – No encoder required✔ Built-in Gear Reduction for Higher Torque✔ Plug-and-Play Interface – Easy connection✔ Phase LED Indicators on driver board✔ Compact size, lightweight & reliable✔ Perfect for Arduino, robotics & automation projects 🔧 TECHNICAL SPECIFICATIONS Stepper Motor Model: 28BYJ-48 Supply Voltage: 5V DC (commonly used version) Number of Phases: 4 Wires: 5 Stride Angle: 5.625° × 1/64 (with gearbox) Gear Reduction Ratio: 1:64 (approx.) Dimensions: 44 × 44 × 28 mm (L × B × H) Type: Geared Stepper Motor Driver Board Driver Model: ULN2003 Input Interface: Standard 5-pin connector Indicators: 4 Phase LED status indicators Function: Signal amplification & motor driving 🎯 APPLICATIONS Arduino & microcontroller projects Robotics & automation systems Camera sliders & pan-tilt systems CNC & 3D motion mechanisms Educational electronics kits Smart home & IoT projects 📦 PACKAGE INCLUDES 1 × 28BYJ-48 5V Stepper Motor 1 × ULN2003 Stepper Motor Driver Board
Stepper Motor(28YBJ-48) with ULN2003 Driver Board
[Servo Motor] The 28BYJ-48 Stepper Motor with ULN2003 Driver Board is a compact, reliable, and low-cost 5V geared stepper motor kit designed for Arduino, robotics, automation, and embedded control applications. This motor features a 4-phase, 5-wire configuration with an integrated reduction gearbox, delivering high torque and precise positioning at low speeds. One of the biggest advantages of a stepper motor is its ability to operate accurately in an open-loop control system, eliminating the need for expensive feedback sensors or encoders. The motor position is precisely controlled by simply counting the input step pulses. The included ULN2003 driver board acts as a signal amplifier, allowing low-power control signals from microcontrollers such as Arduino, Raspberry Pi, ESP32, and 8051 to safely drive the stepper motor. The driver board also features four LED indicators (A, B, C, D) that display the working status of each phase in real time, making testing and debugging easy. With its compact size, plug-and-play connector, stable operation, and high reliability, this stepper motor kit is ideal for robot arms, CNC projects, camera sliders, 3D mechanisms, automation systems, and educational electronics projects. ⭐ KEY FEATURES ✔ 28BYJ-48 Mini Geared Stepper Motor – 5V DC✔ 4-Phase, 5-Wire Configuration✔ Includes ULN2003 Stepper Motor Driver Board✔ Open-Loop Precise Control – No encoder required✔ Built-in Gear Reduction for Higher Torque✔ Plug-and-Play Interface – Easy connection✔ Phase LED Indicators on driver board✔ Compact size, lightweight & reliable✔ Perfect for Arduino, robotics & automation projects 🔧 TECHNICAL SPECIFICATIONS Stepper Motor Model: 28BYJ-48 Supply Voltage: 5V DC (commonly used version) Number of Phases: 4 Wires: 5 Stride Angle: 5.625° × 1/64 (with gearbox) Gear Reduction Ratio: 1:64 (approx.) Dimensions: 44 × 44 × 28 mm (L × B × H) Type: Geared Stepper Motor Driver Board Driver Model: ULN2003 Input Interface: Standard 5-pin connector Indicators: 4 Phase LED status indicators Function: Signal amplification & motor driving 🎯 APPLICATIONS Arduino & microcontroller projects Robotics & automation systems Camera sliders & pan-tilt systems CNC & 3D motion mechanisms Educational electronics kits Smart home & IoT projects 📦 PACKAGE INCLUDES 1 × 28BYJ-48 5V Stepper Motor 1 × ULN2003 Stepper Motor Driver Board
Vibration sensor module alarm Motion sensor module vibration switch SW-420
[Vibration Sensor] Vibration sensor module alarm Motion sensor module vibration switch SW-420 module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can adjust using an onboard potentiometer. When this no vibration, this module output logic LOW the signal indicates LED light, and vice versa. If the module does not vibrate, the vibration switch was on the close state, the output of low output, the green indicator light. The product vibrates, vibration switches momentary disconnect, the output is driven high, the green light does not shine. The output can connect to the microcontroller, which to detect high and low level; so as to detect whether the environment exists vibration, play a role in the alarm. Note: Do not reverse the power directions, otherwise, it is possible to burn the chip. Signal LED light is output Low, signal LED OFF output is High. The output level close to the input voltage. Features : Using SW-420 normally closed type vibration sensor. Comparator output, clean signal, good waveform, strong driving ability, >15mA. Using a wide voltage LM393 comparator. With bolt holes for easy installation. Package Includes : 1 x Vibration sensor module alarm Motion sensor module vibration switch SW-420.
Out of stockMAX30102 Pulse Oximeter Heart Rate Sensor Module
[Proximity Sensor] MAX30102 is a sensor that combines a pulse oximeter and a heart rate monitor. It’s an optical sensor that measures the absorbance of pulsating blood through a photodetector after emitting two wavelengths of light from two LEDs – a red and an infrared one. This particular LED colour combination is designed to allow data to be read with the tip of one’s finger. It is fully configurable through software registers and the digital output data is stored in a 16-deep FIFO within the device. It has an I2C digital interface to communicate with a host microcontroller. The pulse oximetry subsystem in MAX30102 consists of ambient light cancellation (ALC), 16-bit sigma-delta ADC, and a proprietary discrete-time filter. It has an ultra-low-power operation which makes it ideal for battery-operated systems. MAX30100 operates on a supply in the range of 1.8 to 3.3V. It can be used in wearable devices, fitness assistant devices, medical monitoring devices, etc. This sensor works on 3.3V Devices directly. You can connect it to 3.3V devices like ESP8266, ESP32, etc. directly. To use it with the Arduino UNO, Mega, Nano, etc. use a level shifter in between. Else I2C connection will not work. Features Heart-Rate Monitor and Pulse Oximeter Sensor in LED Reflective Solution Tiny 5.6mm x 3.3mm x 1.55mm 14-Pin Optical Module Integrated Cover Glass for Optimal, Robust Performance Ultra-Low Power Operation for Mobile Devices Programmable Sample Rate and LED Current for Power Savings Low-Power Heart-Rate Monitor (< 1mW) Ultra-Low Shutdown Current (0.7µA) Fast Data Output Capability High Sample Rates Robust Motion Artifact Resilience High SNR -40°C to +85°C Operating Temperature Range
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.
MPU-6050 3-Axis Accelerometer and Gyro Sensor
[Accelerometer and Gyro Sensor] The MPU-6050 3-Axis Accelerometer and Gyro Sensor module use MPU-6050 which is a little piece of motion processing tech. The MPU6050 datasheet is available in the attachment section to get this visit. There are different types of magnetometer are available the basic differences between MPU6000, MPU6050 and MPU6500 is: MPU6000 MPU6050 MPU6500 1. A sampling rate of 8 kHz. 1. A sampling rate of 8 kHz. 1. A sampling rate of 32 kHz. 2. Supports SPI and I2C interface. But I2C is too slow to handle 8 kHz gyro update. 2. Supports I2C interface communication protocol. 2. Supports both I2C and SPI interface. 3. Vibration Sensitivity is better than MPU6500. 3. Vibration Sensitivity is better than MPU6500 but the speed of operation is less than MPU6000. 3. It is more susceptible to vibrations, so the need for some vibration isolation methods. It is faster than both MPU. The MPU6050 devices combine a 3-axis gyroscope and a 3-axis accelerometer on the same silicon together with an onboard Digital Motion Processor (DMP) capable of processing complex 9-axis MotionFusion algorithms. To get more insights about specifications visit the MPU6050 datasheet. If you want to Explore more about Accelerometer Then click on, Accelerometer and Gyroscope Features : Chip built-in 16bit AD converter, 16-bit data output. I2C Digital-output of 6 or 9-axis MotionFusion data in rotation matrix, quaternion, Euler Angle, or raw data format. Selectable Solder Jumpers on CLK, FSYNC, and AD0. Digital Motion Processing™ (DMP™) engine offloads complex MotionFusion, sensor timing synchronization, and gesture detection. Embedded algorithms for run-time bias and compass calibration. No user intervention is required. Digital-output temperature sensor. Package Includes: 1 x MPU-6050 Gyro Sensor 2 + Accelerometer. 1 x 1*8 Burg connector Pins(Right angle). 1x 1*8 Burg connector Pins(Straight).
3-Pin Micro Limit Switch with Lever Arm
[Mechanical Switches] 3-Pin Micro Limit Switch with Lever Arm – Miniature Snap Action Switch SPDT Micro Switch • 3 Terminal • Lever Actuator • Snap Action • Industrial & DIY Applications The 3-Pin Micro Limit Switch with Lever Arm is a compact and highly reliable SPDT (Single Pole Double Throw) snap-action switch designed for precise mechanical position detection and control applications. It features a spring-loaded metal lever actuator that provides fast and accurate switching with minimal operating force, making it ideal for automation, robotics, CNC machines, 3D printers, home appliances, vending machines, and industrial equipment. This miniature limit switch includes three terminals (COM, NO, and NC), allowing flexible wiring for normally open or normally closed circuit configurations. Its durable housing and high-quality internal contacts ensure long service life, excellent electrical performance, and reliable operation even in demanding environments. The compact size makes it easy to integrate into tight spaces while providing dependable switching performance for position sensing, safety interlocks, and motion control systems. ⭐ Key Features SPDT (Single Pole Double Throw) configuration 3 terminals: COM, NO, and NC Spring-loaded metal lever actuator Fast snap-action switching mechanism Compact and lightweight design High mechanical durability Reliable electrical contact performance Easy panel or PCB mounting Suitable for industrial and DIY applications Long operating life Precise position detection Low operating force 📋 Technical Specifications Product Type: Micro Limit Switch Switch Configuration: SPDT (1NO + 1NC) Number of Terminals: 3 Actuator Type: Lever Arm Contact Type: Snap Action Rated Voltage: Up to 250V AC Rated Current: Up to 5A Operating Force: Low Force Contact Material: Silver Alloy Body Material: High-Strength Plastic Lever Material: Stainless Steel Mechanical Life: Up to 1,000,000 Operations Electrical Life: Up to 100,000 Operations Mounting Type: Panel / Screw Mount Operating Temperature: -25°C to +85°C Color: Black with Silver Lever 🔧 Applications 3D Printers CNC Machines Robotics Projects Industrial Automation Limit Detection Systems Position Sensing Home Appliances Vending Machines Door and Lid Detection Safety Interlock Systems DIY Electronics Arduino and ESP32 Projects Motion Control Systems Electronic Equipment 📦 Package Includes 1 × 3-Pin Micro Limit Switch with Lever Arm ⚠️ Note Verify COM, NO, and NC terminal connections before wiring. Do not exceed the rated voltage or current. Mount securely to ensure accurate lever operation. Product appearance may vary slightly depending on the manufacturing batch.
SG90 9g Micro Servo Motor 180° Plastic Gear Servo for Arduino, Robotics & RC Projects
[Servo Motor] The SG90 9g Micro Servo Motor is a lightweight and compact servo designed for Arduino, robotics, RC models, automation systems, and DIY electronics projects. It provides precise position control with approximately 180° rotation and low power consumption. 🔹 Product Description The SG90 9g Micro Servo Motor is one of the most popular servo motors used in electronics, robotics, and educational projects. Featuring a lightweight design and durable plastic gears, it offers accurate position control and reliable operation for a wide range of applications. In addition, the SG90 uses standard PWM control signals, making it compatible with Arduino, ESP32, Raspberry Pi, STM32, and other microcontroller platforms. As a result, it is widely used in robotic arms, obstacle-avoiding robots, RC aircraft, pan-tilt camera systems, and automation projects. Because of its compact size and lightweight construction, the servo can be easily integrated into small projects where space and weight are important factors. Furthermore, it delivers smooth motion and precise angular positioning across its operating range. The SG90 supports approximately 0° to 180° rotation and includes servo horns and mounting accessories for quick installation. Moreover, its low power consumption makes it suitable for battery-powered applications. 🔹 Key Features Lightweight 9g micro servo motor Approximately 180° rotation range Durable plastic gear mechanism Standard PWM control interface Fast response and precise positioning Low power consumption Compact and lightweight design Compatible with Arduino, ESP32, Raspberry Pi, and STM32 Easy installation with included accessories Ideal for robotics and RC applications 🔹 Technical Specifications Model: SG90 Motor Type: Micro Servo Motor Operating Voltage: 4.8V – 6V DC Typical Operating Voltage: 5V DC Stall Torque: 2.5 kg·cm Operating Speed: 0.1 sec / 60° Rotation Angle: 0° – 180° Gear Type: Plastic Gear Control Signal: PWM Connector Type: Standard 3-Pin Servo Connector Cable Length: 15cm Weight: 9g Body Material: Plastic 🔹 Applications This servo motor is suitable for: Arduino projects ESP32 projects Robotics applications Robotic arms RC airplanes RC cars and boats Pan-tilt camera systems Automation projects Educational electronics projects 🔹 Package Includes 1 × SG90 9g Micro Servo Motor Servo Horn Set Mounting Screws
PIR Motion Sensor Detector Module HC-SR501
[IR and PIR Sensors] If you want to build a device that is used to detect sense motion and almost always used to detect whether a human has moved in or out of the sensors range. Then this Sensor is needed for you. you can buy this sensor from https://roboman.in/ at a reasonable price The PIR Motion Sensor Detector Module HC SR501 allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to using “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion” sensors. The module has an onboard pyroelectric sensor, conditioning circuitry, and a dome-shaped Fresnel lens. It has a delay time adjustment Potentiometer and sensitivity adjustment Potentiometer. Compatible with ARDUINO, RASPBERRY PI, AVR, PIC, 8051, etc. Note: The Product is available in two colors Blue and Green, therefore packing you may get any one of them. Circuit Diagram of PIR Sensor With Arduino: Features : Infrared Sensor with Control Circuit Board The Sensitivity and Holding Time are adjustable. Blockade time: 2.5s (Default) Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M) Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S). Package Includes : 1 x PIR Motion Sensor Detector Module HC SR501