Search found 1976 matches

by WiFive
Thu Oct 18, 2018 10:28 am
Forum: General Discussion
Topic: brownout detection not operating as expected
Replies: 3
Views: 17

Re: brownout detection not operating as expected

Using brownout to detect a low but stable-enough-to-do-complicated-things battery voltage is not really the intended use.
by WiFive
Thu Oct 18, 2018 9:33 am
Forum: General Discussion
Topic: brownout detection not operating as expected
Replies: 3
Views: 17

Re: brownout detection not operating as expected

You keep linking that other thread where it says don't try to use nvs or anything complicated that can't run from isr context...
by WiFive
Thu Oct 18, 2018 12:54 am
Forum: ESP32 IDF
Topic: RFID READER
Replies: 1
Views: 32

Re: RFID READER

by WiFive
Thu Oct 18, 2018 12:49 am
Forum: Hardware
Topic: WROVER Module Flashing Problem
Replies: 3
Views: 85

Re: WROVER Module Flashing Problem

The diodes are an ESD protection chip. Your next problem will be how to use the sd card in parallel with the flash because it is not supported afaik.
by WiFive
Wed Oct 17, 2018 9:24 pm
Forum: General Discussion
Topic: UART as wake-up source in Light sleep mode
Replies: 18
Views: 603

Re: UART as wake-up source in Light sleep mode

https://github.com/espressif/esp-idf/blob/8893438f08a295c18ee63f363bd0f6d375c2228a/components/driver/include/driver/uart.h#L809-L814 You may be able to tune the number of edges threshold to drop a reliable number of bits and make it possible to receive most of the packet assuming you can live withou...
by WiFive
Wed Oct 17, 2018 8:57 am
Forum: General Discussion
Topic: How to replace the brownout interrupt service routine
Replies: 2
Views: 69

Re: How to replace the brownout interrupt service routine

It suggests to turn brownout off in menuconfig and do the rest in code. In the other topic you can see the function brownout_init posted by maldus
by WiFive
Wed Oct 17, 2018 2:23 am
Forum: Hardware
Topic: WROVER Module Flashing Problem
Replies: 3
Views: 85

Re: WROVER Module Flashing Problem

czyskows wrote:I followed the schematic for the Lyra board in terms of SD card setup, USB to UART, and reset circuitry.


Your image is too small to read easily but it looks like you didn't follow the Lyra schematic because you put the SD card connected to the flash pins instead of the hs2 pins.
by WiFive
Wed Oct 17, 2018 2:10 am
Forum: Hardware
Topic: Does espressif booting with a secure element?
Replies: 1
Views: 49

Re: Does espressif booting with a secure element?

No i don't think so but you could add this function to second stage bootloader yourself

Go to advanced search