Search found 3 matches

by gparvind
Fri Dec 10, 2021 6:37 am
Forum: IDEs for ESP-IDF
Topic: Blink example printf works but ED not flashing
Replies: 6
Views: 17604

Re: Blink example printf works but ED not flashing

Is this solved? I face the same problem. LED using GPIO doesn't work but it works with RMT for addressable LED.
by gparvind
Sat Sep 19, 2020 12:18 pm
Forum: ESP32 Arduino
Topic: ESP32 strange issue with using SPI device
Replies: 3
Views: 5182

Re: ESP32 strange issue with using SPI device

You say your esp and spi have separate power sources. They must have common grounds. Honestly, having multiple 3v3 domains in a project like this is just asking for a small fire. Thanks. Yes I do have common grounds. Ok it turned out to be faulty connection. Changed the wires and it works fine now....
by gparvind
Wed Jul 29, 2020 2:24 am
Forum: ESP32 Arduino
Topic: ESP32 strange issue with using SPI device
Replies: 3
Views: 5182

ESP32 strange issue with using SPI device

I am using ESP-WROOM-32 on a breakout board and not any development board https://image.made-in-china.com/202f0j00ugpRhyEWOzcn/Adapter-Breakout-Board-for-Esp-32f-Esp32-Esp-Wroom-32-Wireless-Bluetooth-Module.jpg . I connected it to ILI9341 SPI device (TFT display) as slave on VSPI pins. When I power ...