*** 2 Units / One Pair of Transceivers *** These are very easy to use and robust wireless modules. Their popularity means there is no…

Single-channel 5V relay board Very simple to wire, and extremely useful FREE Shipping to the USA + APO Addresses 10% off 3, 15% off 5 items. …

Pressure transducer with G1/4 Threads Input 5VDC Output: 0.5-4.5VDC Material: Steel Working pressure: 0-1.2MPa (approximately 0-174psi) Maximum pressure 2.4MPa Working temp.: 0-85C Response Time <=2ms Suitable…

*** 2 Pack *** Arduino-compatible Buzzer/Beeper/Alarm module Active on low level (connect input pin to GND / LOW signal) Please consider taking advantage of our multi-item…

3-PACK 40 Pin female header, 2 rows of 20 pins each.  2.54mm / 0.1″ spacing This header has extra long pins which is why it…

Package of springs commonly used in 3D Printer extruders Can help to restore pressure between the feed device and the filament, improving filament extrusion. These…

***THIS LISTING IS FOR 2 (TWO) ORANGE PI ZERO BOARDS *** Note that while this is similar to the Raspberry Pi, it is not compatible…

*** 2 Pack *** Vibration sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation Digital output (on/off), adjustable threshold 3.2cm x 1.4cm PCB size LM393 IC…

*** 3 Pieces *** ESP-8266 Development Board (commonly referred to as “NodeMCU”) USB-programmable (requires a microUSB cable); no extra programming device required. Built around the…

Arduino Nano compatible microcontroller board + Screw Terminal interface board These are great for securely connectinng wires, especially when using a breadboard doesn’t make sense.…