Search found 7 matches

by innomkr
Wed Nov 16, 2022 7:42 pm
Forum: ESP-IDF
Topic: Embed esptool in Python app
Replies: 0
Views: 837

Embed esptool in Python app

Hello, I am working on a mass production tool for flashing firmware and certificates on esp32 based devices. I am finding it a bit difficult to integrate esptool in my Python app and I am looking for suggestions... Currently I am invoking esptool.py as a subprocess but I think there might be a bette...
by innomkr
Fri Jul 29, 2022 12:02 pm
Forum: Hardware
Topic: Question regarding custom PCB design for power management.
Replies: 2
Views: 1776

Re: Question regarding custom PCB design for power management.

What LED strip are you using? Addressable WS2812b?
by innomkr
Fri Jul 29, 2022 11:54 am
Forum: ESP-IDF
Topic: Save calibration data to ESP32 during manufacturing
Replies: 1
Views: 1235

Save calibration data to ESP32 during manufacturing

Hello everyone, I am working on a smart plug with power measurement features. I use ESP32-C3 and ADE7953 for power measurement. During development it turned out that calibration constants must be calculated for each and every device. We have designed a custom calibration device with an accurate refe...
by innomkr
Thu Apr 14, 2022 10:45 am
Forum: ESP-IDF
Topic: ESP32-C3-MINI-1U reboot loop when switching GPIO7
Replies: 2
Views: 2150

Re: ESP32-C3-MINI-1U reboot loop when switching GPIO7

Sorry, the issue was in hw. One of the diodes on the relay coils was soldered in the opposite way and was shorting the PSU when the GPIO is high. I didn't see that in first place because the device is consisted of 3 PCBs and this particular component wasn't visible without desoldering the PCBs
by innomkr
Wed Apr 06, 2022 2:38 pm
Forum: ESP-IDF
Topic: ESP32-C3-MINI-1U reboot loop when switching GPIO7
Replies: 2
Views: 2150

ESP32-C3-MINI-1U reboot loop when switching GPIO7

Hi guys... I am about to go crazy. I am working on a smart switch with 2 coil latching relay. I have made two prototypes - one with ESP32-C3-MINI-1U(with antenna connector) and one with ESP32-C3-MINI-1(PCB antenna). My firmware is working absolutely fine on the ESP32-C3-MINI-1 but today I received t...
by innomkr
Thu Mar 10, 2022 7:03 am
Forum: General Discussion
Topic: ESP32 to iOS data transfer over BLE
Replies: 0
Views: 1461

ESP32 to iOS data transfer over BLE

Hello everyone, Please excuse my lack of in-depth knowledge about BLE but so far I haven't done any projects using BLE. My goal is to create a portable device, powered by ESP32 which has a microphone and is able to record 15sec. audio files. The audio files must then be transferred to a smartphone -...
by innomkr
Thu Nov 04, 2021 7:38 am
Forum: General Discussion
Topic: Are there any tools to help debug watchdog timeouts
Replies: 18
Views: 20065

Re: Are there any tools to help debug watchdog timeouts

I am experiencing a similar issue but in my case esp_timer is the currently running task. The funny thing is that I am not using esp_timer in my code and it must be some of libs my code depends on. I have spent over a month trying to debug this issue but without any success. With some changes in my ...