I've recently bought a handful of these (the more basic Pro and 2000), with the aim of replacing the insides with an ESP32, but otherwise do the same job. There

I've recently bought a handful of these (the more basic Pro and 2000), with the aim of replacing the insides with an ESP32, but otherwise do the same job. There's a community of people, weirdly on Flickr, who provided enough motivation to buy one. https://www.flickr.com/groups/alphasmart/ https://www.flickr.com/groups/alphasmart/