This sensor triggers when something comes between the IR emitter and receptor.  Generally used as non-contact limit switches/endstops/proximity sensors.  Also can be used to build…

Cooling / Cooler Block for MakerBot Replicator and clones, and other similar 3D Printers MK10 size, appropriate for converting an MK8 printer, particularly if you…

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

Includes 40-pin ribbon cable and adapter with 2×20 Pin male header to 2.54mm spacing male pins labeled with Raspberry Pi GPIO pinout Great for connecting…

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

ESP32 ESP-WROOM-32 Development Board Powerful 32-Bit microcontroller with built-in Bluetooth 4.0 (BLE) and 2.4GHz WiFi With Pre-soldered breadboard headers and built-in USB-serial adapter, all you need is a…

*** 3 Pack *** 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…

Enhanced Arduino UNO Compatible Microcontroller Development Board Compatible with all code and shields for the Arduino UNO. This board supports 3.3V OR 5V IO, while…

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…

Black oxide coated hex socket cap flat head machine screws Pack of 50 Please consider taking advantage of our multi-item discount found at the top…