Pack of 20 (Twenty) threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot…

*** 2 Pack *** Sound sensor for Arduino, STM32, ESP8266/ESP32, etc Adjustable trigger level with digital (on/off) output signal Note that this is a binary…

1/4-20 threaded adapter, female-female FF gender changer Used when you have a male thread but need a female. For example, photography light stands typically have…

PTFE / Teflon tubing 4MM OD (outer) 2MM ID (inner) Commonly used as bowden tubing (filament guide for 3D printers) – perfect for 1.75mm filament…

*** 9-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…

***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 *** USB breakout adapter Exposes the individual wires of the USB interface as screw terminals Useful for debugging USB devices, or supplying…

These are very easy to use and robust wireless modules. Their popularity means there is no shortage of libraries and examples for their use available…

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

*** 12-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…