Your schematic portion shows a short between V3 and the 5V rail, which will be sending 5V to the ESP32.
Also, Your net label for VCC is "3.3V/5.?", which seems like it's trying to be both 3.3 and 5. They need to be separate.
Search found 2 matches
- Sun Aug 04, 2019 1:03 am
- Forum: Hardware
- Topic: ESP32 programmer (USB->Serial) releasing it magic smoke.
- Replies: 4
- Views: 6532
- Fri Aug 02, 2019 12:57 pm
- Forum: Hardware
- Topic: ESP32 programmer (USB->Serial) releasing it magic smoke.
- Replies: 4
- Views: 6532
Re: ESP32 programmer (USB->Serial) releasing it magic smoke.
Having a look at the schematic here: https://github.com/rocketscream/CH340E-MB/blob/master/CH340E-MB.pdf , your smoke is probably coming out because you have V3 (3.3V) connected to VCC (which should be 5V). That will be sending 5V to the ESP32, where it only wants 3.3V. This does seem to be a diffic...