It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.
There was a time when only the richest ham radio operators could have a radio with a panadapter. Back in the day, this was ...
This is the master device that polls a keypad to check for a keypress. The keypress is sent over I2C. One slave HCS08 is connected to an LED bar that displays patterns based on the keypress and the ...
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