The secret sauce to Xiaomi's modular phone concept is lasers!
Xiaomi is showing off its Modular Optical System concept at MWC 2025, but the most interesting part of it is its LaserLink ...
Hackaday7y
The Right Circuit Turns Doppler Module Into A Sensor
Nevertheless, this could be a handy sensor, and it’s definitely a solid lesson in design. Still, if your tastes run more toward using this module on the 1.25-cm ham band, have a look at this ...