I'd suggest having another go at those power traces. Consider width, and more optimal routing.

Do you need that bottom-layer trace on 3V3 TP?

Check the vias for the exposed pad. Are they GND?

Light sleep behaviour is very different to deep sleep. Execution will continue from where it had a nap, rather than a 'reset' as with deep sleep. Try this: for(;;) { printf("Entering light sleep...\n"); vTaskDelay(500 / portTICK_PERIOD_MS); esp_light_sleep_start(); printf("Woke from light sleep!\n")...

I had the exact same query as fiveowle5. If you can use only the existing built-in esp_err_t error values, return esp_err_t. BTW, if there is some reasonably generic error that you think we've missed out, feel free to make a feature request to add it. https://docs.espressif.com/projects/esp-idf/en/l...

Zeni241 wrote: ↑

Tue Jan 07, 2020 8:10 am

captouch channel.

Touch pin, touch pad. Don't overthink it.

ESP_Sprite wrote: ↑

Tue Jan 07, 2020 8:37 am

your electrodes probably will erode away

Isn't that only a concern for resistive moisture sensors? A benefit of capacitive is that he can insulate the entire probe.

Yep, official support for VS Code is very exciting. Special mention for the setup wizard - fantastic. But there are still red squiggles for all the #includes. Did you follow the setup guide here?: https://github.com/espressif/vscode-esp-idf-extension/blob/master/docs/C_CPP_CONFIGURATION.md You might...

https://github.com/boarchuz/HULP HULP contains a bunch of useful macros and a few functions to more easily program the ULP coprocessor (using legacy macros). ulp_var_t to easily share data between the SoC and ULP: RTC_DATA_ATTR ulp_var_t ulp_myvariable; //ULP I_GET(R0, R2, ulp_myvariable), I_ADDI(R0...

So I understand correctly, the signal is normally high (idle) and is then low for >=2 uS? How frequent is this low pulse? It will be tight, but might be possible. ULP instructions take 4-12 cycles total, at 8 MHz, which works out to 0.5-1.5uS, so you don't have any time to spare. You'll have to stri...

There's no "correct", a matching network needs to be tuned for each particular PCB design and so will vary between them. The first schematic has a placeholder (don't pay too much attention to the values or symbols, they will share the same footprint and so any of those positions may be populated wit...

Do you know when it will be available on the marketplace?

john_peter wrote: ↑

Fri Dec 13, 2019 3:46 pm

The direction of port PA00 configured as output and then set to low voltage level

Other way around. Prepare the level, then enable output.