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 *** Used to sense the presence of raindrops.  Sensitivity can be adjusted via a potentiometer. Features and Specifications: 3.3 – 5V Compatible…

STM32F103C8T6 ARM STM32 Dev Development Board Module Blue Pill USA FREE SHIPPING STM32 development board, commonly called the “blue pill” 32-bit microcontroller development board,new in…

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…

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…

Package of springs commonly used in 3D Printer extruders Can help to restore pressure between the feed device and the filament, improving filament extrusion. These…

This listing is for 2 pieces (2 Digispark boards with headers) Microcontroller development board features:  ATTINY85 MCU On-board voltage regulator, power via USB or external 3 PWM…

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

*** 5 Pack / 5 Pieces *** Microcontroller development board features:  ATTINY85 MCU On-board voltage regulator, power via USB or external 3 PWM pins Built-In…

*** 2 Pieces *** ESP-8266 Development Board (commonly referred to as “NodeMCU”) USB-programmable (requires a microUSB cable); no extra programming device required. Built around the…