Search Results for 'Voltage'
5V 1-Channel Relay Module with Optocoupler Isolation
Standard 5V single-channel relay board with optocoupler isolation for safely switching AC 220V home…
5V 4-Channel Relay Module with Optocoupler Isolation
4-channel relay interface board capable of controlling up to 4 high-voltage appliances simultaneous…
ESP32-WROOM-32 Development Board (WiFi + Bluetooth)
Original 38-pin ESP32-WROOM-32 development board with dual-core MCU, Wi-Fi, and BLE. Perfect for DI…
HC-SR04 Ultrasonic Distance Measuring Sensor Module
High-accuracy HC-SR04 ultrasonic range finder sensor (2cm to 400cm range) with 3mm precision for Ar…
HW-040 360-Degree Rotary Encoder Sensor Module with Pushbutton
Incremental rotary encoder sensor module providing 20 pulses per revolution with continuous 360-deg…
IR Infrared Obstacle Avoidance Proximity Sensor Module
Active infrared obstacle detection sensor with LM393 comparator, adjustable potentiometer sensitivi…
LM2596 DC-DC Step-Down (Buck) Adjustable Voltage Regulator Module
High-efficiency switching buck regulator step-down converter capable of driving a 3A load with exce…
Sound Detection High-Sensitivity Microphone Sensor Module
Acoustic sound detection sensor utilizing an electret condenser microphone and LM393 voltage compar…
TP4056 1A Li-ion 18650 Battery Charging Board with Protection (Type-C USB)
Complete constant-current/constant-voltage linear charger for single cell 3.7V lithium-ion/18650 ba…
TowerPro MG90S Metal Gear Micro Servo Motor (180°)
Heavy-duty MG90S micro servo with full metal gears, 2.2 kg/cm torque, ball bearing output shaft, an…
TowerPro SG90 9g Micro Servo Motor (180° Rotation)
High-torque 9g micro servo motor with 1.6 kg/cm stall torque, 180-degree rotation, and durable nylo…
Waste-to-Watt: Power Generation from Waste Working Science Model
Working thermal biomass-to-electricity science exhibition model demonstrating clean power generatio…