*** 3 Pieces *** Single-channel 5V relay board Very simple to wire, and extremely useful Please consider our our multi-item discount found at the top of the listing…

*** 2 Pack *** Photosensitive sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation Digital and analog outputs Used to sense light (or dark) FREE Shipping to…

*** 6-PACK *** 40 Pin female header, 2 rows of 20 pins each.  2.54mm / 0.1″ spacing This header has extra long pins which is why…

Threading adapter, G1/4 female threads to male 1/4 NPT We also sell these with our pressure transducers (which have male G1/4 threads).  These likely have many…

16-Channel PWM “shield” with I2C interface. Check out our store for other motion control components – don’t forget your LS7366 chip(s) if you are doing…

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

*** 2 Pack *** These are M3 Threaded thermistors with JST connectors (2.5mm spacing) attached. Standard thermistors that come with most printers are just a simple pair…

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

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…