Search found 3 matches
- Fri Dec 10, 2021 6:37 am
- Forum: IDEs for ESP-IDF
- Topic: Blink example printf works but ED not flashing
- Replies: 6
- Views: 17514
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.
- Sat Sep 19, 2020 12:18 pm
- Forum: ESP32 Arduino
- Topic: ESP32 strange issue with using SPI device
- Replies: 3
- Views: 5092
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....
- Wed Jul 29, 2020 2:24 am
- Forum: ESP32 Arduino
- Topic: ESP32 strange issue with using SPI device
- Replies: 3
- Views: 5092
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 ...