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Forum Index : Microcontroller and PC projects : RP2040+ESP32+ST7789V=LilyGo T-PicoC3

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Romeo

Newbie

Joined: 11/02/2022
Location: France
Posts: 24
Posted: 08:13am 03 May 2022
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RP2040+ESP32+ST7789V=LilyGo T-PicoC3
..can be purchased on Aliexpress for $13.58 with free shipping...
Just..woaww!
The ST7789 is supported by PicoMite, but can anybody tell me if the ST7789-V is supported too? (if any differences exist). I would like to be sure MMBasic can run on it before sending some bucks oversea...Thank you!

LilyGo T-PicoC3

ST7789V
 
lew247

Guru

Joined: 23/12/2015
Location: United Kingdom
Posts: 1702
Posted: 08:16am 03 May 2022
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Looks to me like the ESP32 is driving the display rather than the Pico
 
Mixtel90

Guru

Joined: 05/10/2019
Location: United Kingdom
Posts: 7937
Posted: 08:33am 03 May 2022
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Might be an idea to find, read and understand all the documentation before even considering this board. Remember, you are unlikely to have meaningful manufacturer's support unless you are fluent in Chinese.
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
vegipete

Guru

Joined: 29/01/2013
Location: Canada
Posts: 1132
Posted: 03:40pm 03 May 2022
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The schematic indicates that the display is on Pico pins GPIO 0-5.
Visit Vegipete's *Mite Library for cool programs.
 
Mixtel90

Guru

Joined: 05/10/2019
Location: United Kingdom
Posts: 7937
Posted: 04:01pm 03 May 2022
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One site I was looking at suggests that the V version of the display has a CS pin, the non-V version doesn't. However, that's not guaranteed to be correct. MMBasic needs the CS pin for its driver.

https://community.home-assistant.io/t/standalone-st7789-tft-not-working-with-esphome/230244/3
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
JohnS
Guru

Joined: 18/11/2011
Location: United Kingdom
Posts: 4044
Posted: 06:19pm 03 May 2022
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I'm unsure about the USB (for console) but may be from the ESP32.

Overall, sounds like maybe needs some changes to MMBasic itself.

John
 
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