Introducing ESPToy 1.21 (with LiPo charger)

Since the first version of ESPToy, I’ve done some pretty rapid revisions. This post is to introduce the new minor revision 1.21, with LiPo battery jack and charger. As you can see in the annotated diagram below, the main components are the same as ESPToy 1.2: a color (RGB) LED,...