Search found 6 matches

by HardyM
Mon Nov 22, 2021 8:42 am
Forum: ESP32 Arduino
Topic: ESP32-Cam Serial U0Rx causing boot failure - multiple devices
Replies: 0
Views: 3845

ESP32-Cam Serial U0Rx causing boot failure - multiple devices

HI I have a simple circuit with 2 x ESP32-Cams. They talk to each other with U0Tx -> U0Rx interconnected both boards. One board (board1) also has an SD card inserted (using 1 bit mode, so IO4 is disconnected from the SDcard carrier) When I power up the circuit, board 1 does not boot by program unles...
by HardyM
Mon Nov 22, 2021 8:25 am
Forum: ESP32 Arduino
Topic: Slow webserver after upgrade from ESP8266 to ESP32
Replies: 2
Views: 5149

Re: Slow webserver after upgrade from ESP8266 to ESP32

I'm also seeing issues with the ESP32 camera web server demo (expanded with my own application) But even the default application has issues too I find. I'm feeding paged read from SD Card and I've done some profiling. The card data gets read and then passed to httpd_resp_send which can take many sec...
by HardyM
Fri Nov 19, 2021 12:21 pm
Forum: ESP32 Arduino
Topic: Wifi disconnects
Replies: 3
Views: 11831

Re: Wifi disconnects

Hi
Did you ever solve this - I'm getting the same issue.
Thanks
by HardyM
Sun Oct 31, 2021 11:15 pm
Forum: ESP32 Arduino
Topic: FlashCrash from wifi
Replies: 0
Views: 1723

FlashCrash from wifi

OK, I've hit a real doozey of an issue. I have a program greatly evolved from the ESP32 -> camera -> CameraWebServer example. My app pings the internet every minute - like a health check. Works fine. Put if I ping or make any request for a URL load, then the system flash gets wiped. Serial monitor i...
by HardyM
Sun Oct 31, 2021 9:23 pm
Forum: ESP32 Arduino
Topic: Serial.print output corrupt
Replies: 1
Views: 2633

Re: Serial.print output corrupt

ok. Seems its' an issue with my serial box. Ignore this please folks.
by HardyM
Fri Oct 29, 2021 11:09 pm
Forum: ESP32 Arduino
Topic: Serial.print output corrupt
Replies: 1
Views: 2633

Serial.print output corrupt

Hi All. Having trouble with serial output on my ESP32-CAM device. I have two of them setup connected together with TX & RX joined, and I have another device with two serial ports that I can see whats being sent from both devices simultaneously. All commands send between are prefixed with ESP_ and al...