Learn to flash LEDs, debug that complicated prototype, or have a dance partyDesigned by EK ENG in United Kingdom
What is it? Blinky is a Raspberry Pi GPIO monitor or LED flasher. It's a headband (too small to be a HAT, so a headband, right?) with LEDs on all of the GPIO pins. Each LED has its own independent MO…Read More…
Blinky is a Raspberry Pi GPIO monitor or LED flasher. It's a headband (too small to be a HAT, so a headband, right?) with LEDs on all of the GPIO pins. Each LED has its own independent MOSFET driver and is supplied from the 5V rail of the Pi. The headband (sorry) also does not have any pull up or pull down resistors, meaning there is no loading or interference with any other uses of the GPIO pins (I2C, SPI, etc.). The 40 pins on the header are also all labeled with their functions for easy reference.
Over the course of many projects and protoytpe builds I found it useful to visually see the state of different buttons, switches, communication lines, etc. This has helped to quickly identify the source of a problem, whether it be a bad switch, wire or programming.
1x Blinky Board
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David | Jan. 5, 2023
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