This listing includes: 4x A4988 driver chips with heat sinks 1x CNC Shield 1x Arduino UNO Compatible board CNC Shield for Arduino UNO 4-axis support…

0.96″ I2C/IIC Serial OLED Display Screen with WHITE text Resolution is 128×64  Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, etc.  3.3V or 5V logic level, 3.3-6V input. Only…

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…

Pack of 10 (Ten) threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot…

Pack of 50 (Fifty) threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot…

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…

32-bit ARM development board similar to Arduino Easier to use than “blue pill” STM32 dev boards – Does not require a separate programmer, just a…

Breakout board for an ATX power supply Built-in power switch and indicator LEDs Fully assembled including DIN rail mount. This is a very convenient way to supply…

ESP8266 NodeMCU Microcontroller Development Board (with integrated WiFi) + Motor Driver Board with built-in L293D chip Note: the included NodeMCU board is the V2 style,…

PLEASE READ: We are closing out this model and have a handful of these left.  The remaining units are being sold at a deep discount…