Hello,

I'd like to move from a T-Display controller to a T8 .

The original application used pin 21 and 22 for TX and RX respectively, but the pins are numbered differently on the T8.

Before I pull the soldering iron… can I just update and recompile the source code to use any IO pin I want instead ...

Thanks very much.

Hello,

I know nothing about electronics.

I ordered https://www.aliexpress.com/item/4001113579534.html to power a https://www.aliexpress.com/item/33048962331.html and get rid of the power bank I currently use.

1. Can the TTGO actually be powered by this shield, and if yes, through which pin? The ...

Hello,

I don't know much about embedded, and this is the first time I'll be using an ESP-based micro-controller (to build a DIY CO2 box).

I just bought this TTGO and intend to connect it to a Senseair CO2 sensor.

What is this plug for?

(I guess RST stands for Reset, ie. reboot the controller; In ...