LED
LCD
Sensors & Modules
MQ-2 Smoke Detector Gas Sensor
Buy the MQ2 gas and smoke sensor module online. High-sensitivity combustible gas detector with analog and digital outputs for Arduino safety projects.
SCT-013-000 Non-Invasive 100A AC Current Sensor | Pro Tronix
High-accuracy SCT-013-000 split-core current transformer. Safely measure up to 100A AC without cutting wires. Perfect for building custom home energy monitors, load diagnostic tools, and whole-house power trackers with your microcontroller.
ACS712 20A Current Sensor Module | Pro Tronix
High-precision ACS712 20A Hall-effect current sensor module. Operating at 5V with a 100mV/A analog output and 2.1 kVRMS galvanic isolation, this module measures AC and DC currents up to 20A for power monitoring, motor protection, and solar projects.
DHT22 Digital Temperature and Humidity Sensor | Pro Tronix
Premium standalone DHT22 / AM2302 digital temperature and humidity sensor. Tailored for custom PCB design and compact enclosures, this 4-pin component offers high-accuracy, sub-zero temperature, and 0-100% relative humidity tracking over a simple single-wire bus interface.
DHT11 Temperature and Humidity Sensor Module | Pro Tronix
Highly reliable, pre-calibrated DHT11 digital temperature and humidity sensor module. Built on a convenient 3-pin PCB with an integrated pull-up resistor, this single-wire sensor tracks environmental conditions accurately, serving as a core component for smart indoor climate logging.
HC-SR04 Ultrasonic Distance Sensor Module | Pro Tronix
High-reliability HC-SR04 non-contact ultrasonic distance sensor module. Employs a dual-transducer acoustic loop to track object proximity from 2cm to 400cm with extreme precision, serving as a core component for smart obstacle avoidance, mapping rovers, and fluid tank level detection.
GY-521 MPU6050 6-Axis Accelerometer and Gyroscope Sensor Module | Pro Tronix
High-precision GY-521 breakout board embedded with the MPU6050 6-axis accelerometer and gyroscope. Features a native Digital Motion Processor (DMP) and standard I2C communication, making it an ideal choice for advanced robotics stability and self-balancing applications
BMS 1S 3A 3.7V Protection Board with Nickel Strip | Pro Tronix
Compact BMS 1S 3A 3.7V 2-MOS lithium protection board featuring pre-attached nickel strips. Perfect for safeguarding single-cell 18650 and LiPo polymer batteries against overcharge and short circuits!
GY-BMP280-3.3 Barometric Pressure & Temperature Sensor Module | Pro Tronix
GY-BMP280-3.3 barometric pressure and temperature sensor module. High-precision altitude tracking digital sensor for weather stations, drones, and IoT projects!
Turbidity Water Quality Sensor Module | Pro Tronix
High-sensitivity optical turbidity water quality sensor module set. Operating on 5V DC with dual analog/digital outputs and adjustable sensitivity, this module measures fluid clarity and suspended particles for water treatment, smart appliances, and environmental monitoring.