*** 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…

1/4-20 threaded adapter, female-female FF gender changer Used when you have a male thread but need a female. For example, photography light stands typically have…

*** 2 Pack *** Ships in individual SEALED bulk packaging (no retail labels or packaging) FREE Shipping to the USA + APO Addresses 10% off 3,…

This listing is for the ballnut housing only – the ballnut, ballscrew, bearings, etc are not included. This is the piece that fits over the…

This is essentially an Arduino Due scaled down to 54x58mm (significantly smaller than the standard version). Built-in EEPROM (512K), 21-bit ADC and DAC’s. Standard 2.54mm…

Quantity 50 Flat Head Hex Drive (Allen) Machine Screw 18-8 Stainless Steel Please consider our our multi-item discount found at the top of the listing page; it…

ST-Link V2 Programmer Color and markings may vary from picture. Includes 4-wire female<–>female adapter Useful for programming our “blue pill” boards, and other STM32 boards.…

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…

3.5″ Touchscreen display for Raspberry Pi 2 and 3 This is the perfect display if you want to keep the size as close to the…

*** 2 Pack *** IR proximity/obstacle detection/avoidance  sensor for Arduino, STM32, ESP8266/ESP32, etc 3.3V-5V operation LM393 Chip Digital output Adjustable threshold Please consider our our multi-item…