Search found 33 matches

by pipi61
Wed Nov 27, 2019 4:51 pm
Forum: ESP32 Arduino
Topic: Send picture over gprs, smtp, softwareSerial, received damaged!!?
Replies: 4
Views: 838

Re: Send picture over gprs, smtp, softwareSerial, received damaged!!?

Try binary compare the origin with received picture. Check different character, what special character bad or changed to other character(s)
by pipi61
Tue Nov 05, 2019 9:58 pm
Forum: ESP32 Arduino
Topic: Possible to have esptool.py beep when ready to flash?
Replies: 2
Views: 496

Re: Possible to have esptool.py beep when ready to flash?

Use USB serial konverter with rx/tx rts, dtr output. Then esptool automatic switch flash prg mode to module.
https://github.com/espressif/esptool/wi ... -Selection
by pipi61
Sun Nov 03, 2019 2:32 pm
Forum: ESP32 Arduino
Topic: Sketch Upload Tool for Windows
Replies: 4
Views: 640

Re: Sketch Upload Tool for Windows

Yes. But one problem, the drive letter in path change on other computer.
In batch file use relative path, without drive letter...
by pipi61
Sat Nov 02, 2019 10:21 pm
Forum: ESP32 Arduino
Topic: Sketch Upload Tool for Windows
Replies: 4
Views: 640

Re: Sketch Upload Tool for Windows

Hi! in arduino File/Preferences menu swhitch on verbose... option. Then compile/upload sketch. In lower windows find line where containing esptool.exe My lines: C:\Arduino185_ESP32_ANET\hardware\espressif\esp32/tools/esptool.exe --chip esp32 --port COM3 --baud 921600 --before default_reset --after h...
by pipi61
Mon May 27, 2019 5:29 pm
Forum: ESP32 Arduino
Topic: SDCARD/MMC MODE
Replies: 1
Views: 762

Re: SDCARD/MMC MODE

Hi!
check
arduino-esp32/libraries/SD/examples/SD_Test/SD_Test.ino
and arduino-esp32/libraries/SD_MMC/examples/SDMMC_Test/SDMMC_Test.ino for pinout
Your pins used in SDMMC, not used in SD mode
by pipi61
Fri May 03, 2019 4:02 pm
Forum: ESP32 Arduino
Topic: ESP32 with Triac
Replies: 17
Views: 5309

Re: ESP32 with Triac

Hi!
Make interrupt to zerocross detect. in this interrupt setup timer interrupt.
In timer interrupt make enough time pulse to triac,
or set the triak on, and next zerocross interrupt switch the triak off
https://techtutorialsx.com/2017/10/07/e ... nterrupts/
by pipi61
Tue Apr 16, 2019 6:10 pm
Forum: ESP32 Arduino
Topic: High voltage controller with ESP32 ?
Replies: 1
Views: 796

Re: High voltage controller with ESP32 ?

Hi!
use Solid State Relay (SSR)
or use optotriac (MOC30xx) + triak to switch main power
by pipi61
Wed Oct 17, 2018 1:19 pm
Forum: ESP32 Arduino
Topic: ESP32 SD Library Won't Recognize SD Card After Reinserted
Replies: 2
Views: 1283

Re: ESP32 SD Library Won't Recognize SD Card After Reinserted

Hi!
In the loop delay 2sec.
Remove/insert card in this 2 sec?
In the loop can't wait to insert card, if no card, after 2sec start start_sd() and mount failed.
I don't try this....