What is the environment that the device is deployed in? How is it enclosed? Could mositure damage or other harsh conditions be a possibility ?

Instead of using LEDC, for <1Hz you would use GPIO and a delay loop. For example: void loop() { digitalWrite(17, 1); delay(2000); digtalWrite(17, 0); delay(2000); } This gives a 0.5Hz output, and does not need LEDC. Perhaps if you tell us what the pulses need to do, and why you need pulses, we can p...

The DAC is only 8bit on the ESP32, and the ADC has some linearity and offset issues, which can be calibrated for but would need to be calibrated for every device since the non-linearity in my experience is not consistent across a batch of ESP32s. I would suggest an I2S external chipset. The I2S peri...

There is a function called "esp_cpu_in_ocd_debug_mode" which can be used for this purpose. See for example https://github.com/espressif/esp-idf/blob/beaefd3359973dcf8bba4e1d4462aa7f5d67be6a/components/vfs/vfs_semihost.c#L52 Thanks! This is exactly what I am looking for. I cannot find documentation ...

Hello, My understanding of JTAG is that it is mutiplexed through IO_MUX on the VSPI bus. Pads (GPIO) 13, 14, 15, 16. Due to a limit of GPIO (We have used every pin on the ESP32 PICO) we are using VSPI for an SPI peripheral. We cannot share this with HSPI or any other pins (they are in use). Can I de...

You could use the non-volatile storage (nvs) to store these parameters, https://docs.espressif.com/projects/esp ... flash.html

Hello, I require an external crystal for the RTC because I need accurate deepsleep times over several hours. I have started a project on the esp-idf using Platform.IO, please excuse the poor project layout if it is not esp-idf standard. What I've done: 1. I have modified the sdkconfig to use the ext...