Search found 2 matches

by pdjung
Thu Oct 18, 2018 11:06 am
Forum: ESP32 Arduino
Topic: asking if esp32 can waked up by mqtt or ble write from phone.
Replies: 1
Views: 2955

asking if esp32 can waked up by mqtt or ble write from phone.

I 'm now into deep sleep mode in esp32. there are 3 ways of wake up esp32 1. by timer 2. by gpio pin 3. by coprocessor. if user give signal to module by mqtt or ble write from phone, I wonder if esp32 module can be waked up. I think..by mqtt...it's impossible because to use mqtt, internet should be ...
by pdjung
Mon Oct 15, 2018 6:20 am
Forum: ESP32 Arduino
Topic: Is esp32 nodemcu 32s working with tft2.2" ILI9340 library?
Replies: 0
Views: 2261

Is esp32 nodemcu 32s working with tft2.2" ILI9340 library?

I think I wired well but it only show blank screen. my tft 2.2" is as belows. VCC GND GND NC NC LED CLK SDI RS RST CS my node mcu pinout is as attached. https://imgur.com/a/yGRdbwq I wired vcc and gnd well LEd to 3V CS to GPIO15 RST to RESET RS to GPIO17 SDI to GPIO13 CLK to GPIO 14. what's wrong wi...