*** 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…

*** 2 Pack *** IR proximity/obstacle detection/avoidance  sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation LM393 Chip Digital output Adjustable threshold Please consider our our multi-item…

Pack of 100 threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot for…

*** Includes male pins – Requires Soldering  *** Arduino Mega 2560 Compatible development board Features: ATmega2560 Microcontroller Built-in USB support for power and programming Power…

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

*** Includes the pictured prototype board with pre-soldered female headers, 5mm barrel plug power connector, and precision 4.096V voltage reference *** This is essentially an Arduino…

This sensor is similar to the /BX model, but more versatile due to supporting NC or NO (Normally Closed or Normally Open) configurations.  There are…

Pack of 100 threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot for…

*** Board only, new in sealed anti-static packaging.  NO PINS INCLUDED *** Arduino Mega 2560 Compatible development board Features: ATmega2560 Microcontroller Built-in USB support for…

Inductive probes are a popular way of adding bed level compensation ability to 3D printers. Marlin and other 3d printer firmwares support this.  Also useful…