ESP-8266 Development Board with integrated ESP-12 board The ESP8266 is an extremely popular microcontroller similar to Arduino with built-in WiFi Typical ESP8266 ESP-12 boards do…

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…

3-Axis CNC controller kit includes Arduino nano compatible board, CNC shield, and 3x DRV8825 stepper motor drivers. Ships unassembled – the pins need to be soldered on the arduino board,…

3.5″ Touchscreen display for Raspberry Pi 2 and 3 This is the perfect display if you want to keep the size as close to 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…

*** 2 Pack / 2 Pieces *** Microcontroller development board features:  ATTINY85 MCU On-board voltage regulator, power via USB or external 3 PWM pins Built-In…

*** 2 Pack *** 32-bit ARM development board similar to Arduino Easier to use than the extremely popular “blue pill” STM32 dev boards (which we…

This listing includes 4 DRV8825 driver chips with heat sinks The Arduino UNO Board is NOT included with this listing – see our other items…

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 is…

No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Space-saving design leaves more of your breadboard available for prototyping compared…