Search found 27 matches

by pipi61
Wed Mar 18, 2020 1:42 pm
Forum: ESP32 Arduino
Topic: 2.8 TFT SPI with Touch
Replies: 3
Views: 246

Re: 2.8 TFT SPI with Touch

Code: Select all

GPIO19  | MISO    |   T_DO  |
   GPIO23  | MOSI    |   T_DIN |
   GPIO18  | SCK     |   T_CLK  |
   
esp gpio19 connect to miso AND t_do ....
check your photo...
by pipi61
Wed Mar 18, 2020 10:31 am
Forum: ESP32 Arduino
Topic: 2.8 TFT SPI with Touch
Replies: 3
Views: 246

Re: 2.8 TFT SPI with Touch

The lcd spi pins and touch spi pins short wire my pins, but check setting in your used library... ESP | ILI9341 | TOUCH | --------|---------|--------- GPIO2 | DC | | GPIO17 | | TPCS | GPIOxx | | TIRQ | none if tft espi lib GPIO19 | MISO | TDO | GPIO23 | MOSI | TDIN | GPIO18 | CLK | TCK | GPIO15 | lc...
by pipi61
Wed Mar 18, 2020 10:10 am
Forum: ESP32 Arduino
Topic: invalid operands of types 'const char*' and 'const char [8]' to binary 'operator+'
Replies: 3
Views: 461

Re: invalid operands of types 'const char*' and 'const char [8]' to binary 'operator+'

try :)
or try
String base64image = (String) "id=7292&num=" + (String)num + (String) .............. ;
by pipi61
Mon Mar 16, 2020 6:32 pm
Forum: ESP32 Arduino
Topic: Auto Upload Circuit?
Replies: 4
Views: 470

Re: Auto Upload Circuit?

Yes, directly. I use this ch340 adapter https://www.aliexpress.com/item/32789451759.html?spm=a2g0s.9042311.0.0.27424c4dl0bJvQ This adapter connector does not have a DTR signal but a wire soldered directly to the ch340 pin, The power jumper select 3,3V position on adapter. The usb 5V power signal is ...
by pipi61
Fri Mar 13, 2020 6:40 pm
Forum: ESP32 Arduino
Topic: ESP32 cam photo
Replies: 1
Views: 1390

Re: ESP32 cam photo

Hi!
The takeNewPhoto variables don't setting never.
by pipi61
Fri Mar 13, 2020 6:32 pm
Forum: ESP32 Arduino
Topic: Auto Upload Circuit?
Replies: 4
Views: 470

Re: Auto Upload Circuit?

Use another type usb/serial converter/adapter. Before buy check connector pinout, or chip type on adapter. In adapter if not wire the required signal to connector, then wire directly from chip pin. Check power/gpio voltage level on adapter, and select 3V3 type. I use simple wiring, RX,TX, GND, RTS t...
by pipi61
Fri Feb 21, 2020 10:16 am
Forum: ESP32 Arduino
Topic: Can I use an USB Keyboard with RS232 on ESP32 ?
Replies: 5
Views: 756

Re: Can I use an USB Keyboard with RS232 on ESP32 ?

Communication only usb host between usb device.
Two usb devices do not communicate with each other
by pipi61
Thu Feb 20, 2020 9:57 pm
Forum: ESP32 Arduino
Topic: Can I use an USB Keyboard with RS232 on ESP32 ?
Replies: 5
Views: 756

Re: Can I use an USB Keyboard with RS232 on ESP32 ?

find and try PS2 keyboard arduino lib, or find arduino usb host module and library ...
https://www.aliexpress.com/wholesale?ca ... st+arduino
https://www.google.com/search?client=af ... st%20esp32
by pipi61
Thu Feb 20, 2020 5:38 pm
Forum: ESP32 Arduino
Topic: Can I use an USB Keyboard with RS232 on ESP32 ?
Replies: 5
Views: 756

Re: Can I use an USB Keyboard with RS232 on ESP32 ?

This keyboard AND this usb converter as USB device(slave)
Cannot connect to each other
https://electronics.stackexchange.com/q ... and-device
Locate the arduino usb host module ...

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