A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...

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.

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 ...