GOTROOT / Research

The device that's also in the CEO's living room. it is WiFi. We bought it ourselves and looked right at the PCB. | GOTROOT

A domestically sold Wi-Fi device that has sold in the millions. GOTROOT research team’s hardware analysis record of a unit they purchased themselves and disassembled, done with just a multimeter and no oscilloscope. From measuring pin voltages with a multimeter to understanding how HIGH/LOW bits become UART waveforms. This series explains the prerequisite knowledge for reading it, aimed at someone who has never studied electricity before.