[Lee] continues with his exploration of the U8Plus (a cheap smartwatch). He hasn’t got it all cracked, yet, but he did manage to get a dump of the device’s ROM using an unusual method. At first, [Lee] ...

I need two buzzers alternating on / off on one pin. Is it possible to get ‘opposite’ transistors in series? One that grounds when the base goes high, one that grounds on low? In that way they can be ...

Force feedback took off in a big way in the late 90s, bringing a sense of realism to flight sticks and racing wheels that hadn’t been there before. Its cheaper haptic cousin was rumble feedback via ...