NodeMCU ready to generate addresses… Testing nostr:npub1c878wu04lfqcl5avfy3p5x83ndpvedaxv0dg7pxthakq3jqdyzcs2n8avm 'Goomba' modules.. 
Tutorial of how to build a hardware wallet using a durable, cheap & accessible #ESP-32.. 

'Advertise your wallet with one PCB'! 

https://youtu.be/i_MOXBg3nLE?si=ahQLcGo6l62tROD3 https://image.nostr.build/70d8b565607cca7d4cf2794acfd3d3585f0338ea8f6f07fd815c10d15652f912.jpg https://image.nostr.build/01e9ce580fad444ee19a9948ca8f0f89a7753becbf0b042467e4158db324f6dc.jpg  nostr:note1ld064h032x9jrg8dysuchmrwjkt7n0e4nxyt9jgs9tm54v4yzrfqdvxkdf