2-PACK 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…

*** 5 Pack *** 20-Tooth GT2 Pulleys Includes set screws (2 per pulley) for affixing to motor/idler shaft Please consider our our multi-item discount found at the…

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…

Quantity 20 Socket Head Cap Screw 18-8 Stainless Steel FREE Shipping to the USA + APO Addresses 10% off 3, 15% off 5 items.  Applies to…

*** 2 Pack *** No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Independently switch each side – 5V or…

*** 2 Pack *** Arduino-compatible Buzzer/Beeper/Alarm module Active on low level (connect input pin to GND / LOW signal) Please consider taking advantage of our multi-item…

This listing includes 4 A4988 driver chips with heat sinks CNC Shield for Arduino UNO Supports 4 stepper drivers Can be used with A4988 or…

Voltage Level Translator Please consider taking advantage of our multi-item discount found at the top of the listing page; it allows us to combine shipping and pass…

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

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…