Search found 4 matches

by app-z0
Wed Mar 31, 2021 8:14 pm
Forum: General Discussion
Topic: Small ESP32 Modul ( all include in new ESP32-PICO )
Replies: 151
Views: 232556

Re: Small ESP32 Modul ( all include in new ESP32-PICO )

Did u make test of RAM?
malloc() and other

I have the problem. PSRAM is detected but dont work

Here is issue
https://github.com/espressif/esp-idf/issues/6350

My board here:
esp32pico.png
esp32pico.png (4.87 MiB) Viewed 4945 times
by app-z0
Mon Jul 20, 2020 8:54 pm
Forum: Hardware
Topic: What is the purpose of VDD3P3_RTC pin in ESP32-PICO-D4 ?
Replies: 3
Views: 7086

Re: What is the purpose of VDD3P3_RTC pin in ESP32-PICO-D4 ?

Opposite question. Can I keep VDD3P3_RTC not connected?
If I dont use RealTime schematic with timer quartz 32768
Stay its float
by app-z0
Sat Jun 27, 2020 11:52 pm
Forum: ESP32 Arduino
Topic: ESP32 + max98357a + online MP3 for Google TTS
Replies: 3
Views: 9990

Re: ESP32 + max98357a + online MP3 for Google TTS

Even no need any IC
https://youtu.be/Hy_MJePQ33Q

Here is example on a transistor amplifiers for mic and loudspeaker
by app-z0
Sun Jun 21, 2020 10:00 pm
Forum: Sample Code
Topic: ESP32-Doom available
Replies: 10
Views: 42328

Re: ESP32-Doom available

Will try repeated this project

My custom board look like this

Image

My old one was buggy

Keyboard will on multiplexer mcp23017

Image
esp32-kicad.png
doom board
esp32-kicad.png (354.12 KiB) Viewed 4111 times
Now is big delay in manufacture of PCB especially for delivery :(