Downforce is a major part of modern motorsport, keeping cars glued to the track at high speeds. However, for small radio control cars, adding a fan for a little suction can achieve even greater feats, ...

[HC] took a gander around the Googles and saw a number of people trying to read NAND flash chips with an Arduino. It’s an interesting problem; at 16 Megahertz, [HC] is looking at about 60 nanoseconds ...

I’ve been studying the schematic and noticed that the voltage divider (R8 + R9) is applied on the HC‑05 TX line (pin 5). Since the HC‑05 outputs 3.3V, this divider brings it down to ~2.2V, which is ...