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…

24-Pin ATX Power supply adapter Coverts your ATX (common in computers) power supply to a bench/lab power source. 4 pairs of power/ground female banana plugs,…

Breadboard not included. No more awkward alligator clips connecting a bench power supply to breadboard jumpers. Features: Space-saving design leaves more of your breadboard available…

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…

*** 2 Pack *** 0.96″ I2C / IIC Serial OLED Display Screen with BLUE text Resolution is 128×64 Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, etc.  3.3V…

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…

Quantity 20 Socket Head Cap Screw 18-8 Stainless Steel M2.5-0.45×6 (6mm length) FREE Shipping to the USA + APO Addresses 10% off 3, 15% off 5…

10-PACK 40 Pin female header, 2 rows of 20 pins each.  2.54mm / 0.1″ spacing This is the spacing of the Raspberry Pi 2/3 40-Pin…

*** 12-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…

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,…