I hope there is an easy anwer for my question:
How to send commands with an Attiny84?
I bought one to run a gsm modul with it... Tested with the Arduino nano v3, no problem.. As the next step i build a "programming shield" with sockets for the nano and the tiny(also working fine).
The problem now is that there are no rx, tx pins like on the arduino.. i searched much in the internet and only found things which didnt work or i did wong... hope you can help me...
I'm a beginner so pls don't call me an idiot or smth
And sry for my english i know it's not the best...