Hay thanks for the response. The CPU is completely dead. No response on serial output and no funktion of GPIO's. When I solder a new ESP32 it works on same PCB. Here i listed the failure rate with timing. 4.7.2023 While initial flashing, 7/100 broke (bare PCB) 24.7.2023 While EOL testing for first p...

Hallo In ower new Project we use the ESP32-C3 on a small PCB to sample a I2C sensor. Now on our first Prototype series we observed quite a big number of broken devices (12/100pcs.). We suspect ESD but we are not sure. The PCBs were professionally build unter ESD save surrounding. The programming and...