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. …

Arduino Pro Micro Compatible Development Board Includes 2 female 1x12p headers to match the board’s male pins Features: ATmega32U4 Microcontroller Built-in USB support (allows USB…

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…

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

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…

Microcontroller development board features:  ATTINY85 MCU On-board voltage regulator, power via USB or external 3 PWM pins Built-In USB Plugs directly into a USB port,…

Package of 20 18-8 Stainless steel hex (Allen) socket button head/cap machine screws FREE Shipping to the USA + APO Addresses 10% off 3, 15% off…

Package of 20 18-8 Stainless steel hex (Allen) socket button head/cap machine screws FREE Shipping to the USA + APO Addresses 10% off 3, 15% off…

*** These scanners are USED.  They don’t include any of the original packaging or accessories (all you really need is a smartphone and a microUSB…

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