I'm missing loads of decoupling capacitors and I also am not seeing a power-on-reset RC network on your EN line. Also, what generates your Vcc? Also, to answer your question: the ESP32 bootloader is in ROM; even with an empty or corrupted flash you should still be able to upload a new program. Ok I...

I'm trying to build a custom microcontroller board based on the ESP32 chip (just the chip, not the WROOM module). I've got to the point where all the power works and the USB to serial gets recognized. I'm now trying to flash the ESP, but the chip itself doesn't respond (the IDE - PlatformIO extensio...