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.…

Protect your waterproof housing from scratches when not in use Also blocks the power/mode button so you don’t drain your battery. Especially useful with one…

18-8 Stainless hex button cap head machine screws Pack of 20   10% off 3, 15% off 5 items.  Applies to most of our items.

3-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…

Package of 20 18-8 Stainless steel hex (Allen) socket button head/cap machine screws FREE Shipping to the USA + APO Addresses 10% off 3, 15% off…

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

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

LSI/CSI LS7366R quadrature counter IC in DIP package This is a popular chip for reading quadrature encoders (such as those used on servo motors  and other position…

Includes 40-pin ribbon cable and adapter with 2×20 Pin male header to 2.54mm spacing male pins labeled with Raspberry Pi GPIO pinout Great for connecting…