Sound and the microphone start when you switch on.
The app stopped.
Press RESET.
RESET restarts the card. As on the device, the launcher then counts down to start the app you last ran; press any key to stay in the launcher.
The card lives in this browser. Apps read and write it as they do on a real card: BEAT TAP's songs in /beattap, recordings and exported songs in /rec.
/beattap
/rec
This is the Cardputer ADV family — Card Launcher, Cardputer Arcade, Card Synth, Card Calc and Card Recorder — built from the same source as the firmware and compiled to WebAssembly. A thin layer stands in for the hardware: the screen, keyboard, speaker, microphone, flash, NVS settings, the SD card and the radio.
Rooms. On a card, the radio reaches the cards nearby. Here it reaches everyone in the same room on this site, and Cardputers on Wi-Fi join the same rooms. The room is public; add ?air=name to the address for a room of your own. Messages are not encrypted: anyone in the room can read the chat, as anyone near a card can.
?air=name
Not here. The launcher's USB card reader, its Wi-Fi upload page and flashing over USB need the real hardware; the web shows their screens but cannot do them.