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,…

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

Pack of 20 threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a slot for…

Black oxide coated hex socket cap flat head machine screws Pack of 20   10% off 3, 15% off 5 items.  Applies to most of…

***3 PIECES*** ARM STM32 Dev Development Board – commonly known as the “Blue Pill” 32-bit microcontroller development board,new in sealed package containing 2×20 male pins…

*** 4 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…

Pressure transducer with G1/4 Threads Input 5VDC Output: 0.5-4.5VDC Material: Steel Working pressure: 0-1.2MPa (approximately 0-174psi) Maximum pressure 2.4MPa Working temp.: 0-85C Response Time <=2ms Suitable…

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

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…