He used a bi-color 8×8 LED matrix as the clock display. What caught our eye is the point-to-point soldering he used for the three strip boards that make up the device. Note the use of a drill-bit ...

It’s a toy that he designed as an activity. He constrained himself to a board which would exactly match the outline of an 8×8 bicolor LED matrix package. What you see here is the side of the ...

Watch this video on YouTube. It’s based on the Tiny Music Visualizer project from Adafruit, using their I2C multiplexer board for a tiny 8×8 bicolor LED matrix. The Arduino code is from there ...

You can use the circuit in Figure 1 to drive a bicolor LEDwith only two leads. This circuit detectsthe correct closed condition of theleft and right side bags in a motorcyclecompanion. The bag has two ...