No Moving Parts LiDAR
Self-driving cars often use LiDAR — think of it as radar using light beams. One limitation of existing systems is they need some method of scanning the light source around, …read more Continue reading No Moving Parts LiDAR
Category Archives: surface acoustic wave
Tiny Transmitter Brings Out the Spy Inside You
When it comes to surveillance, why let the government have all the fun? This tiny spy transmitter is just the thing you need to jumpstart your recreational espionage efforts.
We kid, of course — you’ll want to stay within the law of the land if you choose to build [TomTechTod]’s diminutive transmitter. Barely bigger than the 337 button cell that powers it, the scrap of PCB packs a fair number of surface mount components, most in 0201 packages. Even so, the transmitter is a simple design, with a two transistor audio stage amplifying the signal from the MEMS microphone and …read more
Continue reading Tiny Transmitter Brings Out the Spy Inside You