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*** 2 Pack *** Sound sensor for Arduino, STM32, ESP8266/ESP32, etc Adjustable trigger level with digital (on/off) output signal Note that this is a binary…

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 or 5V logic level,…

Black oxide coated hex socket cap flat head machine screws Please consider our our multi-item discount found at the top of the listing page; it…

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

This listing includes 2 2×20 and 1 2×10 female headers to match the pin layout on these boards.  These can be soldered to a prototype board…

Pack of 100 (One Hundred) threaded inserts. These create much more convenient and professional parts than using “captive nuts” (where you have to design a…

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

*** 2 – Pack (2 sets of headers + boards)*** Arduino Pro Micro Compatible Development Board Includes 2 female 1x12p headers to match the board’s…

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