In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier ... if the IR emitter in the proximity sensor were running all the time, it would ...

(NYSE: VSH) announced that its VCNL36828P proximity sensor has ... combined with a photodiode, an application-specific integrated circuit (ASIC), a 16-bit ADC, and a dual I²C slave address.