![](https://i0.wp.com/www.automaticprojects.com/wp-content/uploads/2023/06/B9P_2013-01-21_IMG_2284.jpg?resize=768%2C1024&ssl=1)
I etched this circuit in my condo with ferric chloride. It uses an Atmel Tiny13, about the simplest 8-bit microcontroller still sold in 2012. This is the Hello World project from Dhananjay Gadre’s book about TinyAVR projects.
I etched this circuit in my condo with ferric chloride. It uses an Atmel Tiny13, about the simplest 8-bit microcontroller still sold in 2012. This is the Hello World project from Dhananjay Gadre’s book about TinyAVR projects.