Search found 2 matches

by ErminP
Mon Aug 16, 2021 6:38 am
Forum: Hardware
Topic: ESP32-WROOM32 with W5500
Replies: 2
Views: 5600

Re: ESP32-WROOM32 with W5500

Hello @ErminP I noticed there is no pull-up resistor on GPIO0 - are you sure ESP32 is running your code and doesn't start up into download mode? Have you double-checked the W5500 crystal is oscillating properly? I am by no means an expert in PCB layout so I am not sure how analog and digital GND sh...
by ErminP
Thu Aug 12, 2021 7:57 am
Forum: Hardware
Topic: ESP32-WROOM32 with W5500
Replies: 2
Views: 5600

ESP32-WROOM32 with W5500

Hello, I've designed custom board using ESP32 and W5500 ethernet controller. In the prototype using modules, everything worked as expected. When the custom board is manufactured, there is no communication between ESP32 and ethernet controller. The schematic is attached, could someone please take a l...