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Very cool project! It would be neat to incorporate WiFi into the next version instead of USB. Then you could publish a mobile app to communicate with it. It
by chrismmay 7y ago
Very cool project! It would be neat to incorporate WiFi into the next version instead of USB. Then you could publish a mobile app to communicate with it. It would be fun to play with at parties.
https://www.gridconnect.com/products/esp8266ex-tiny-wireless-802-11-b-g-n-chip https://www.gridconnect.com/products/esp8266ex-tiny-wireless... .
- LeonM 7y ago> instead of USB And how would you power the card?
- neurostimulant 7y agoI wonder if tiny solar cells covering the entire surface of the card would be enough to power it. Not sure if the wifi module can be powered with < 1 watt of electricity though.
- chrismmay 7y agoHow about a combination of solar and an ultra thin lithium ion battery? Finding a small, thin solar cell cheap enough is the trick I think... http://www.phdenergy.com/products/rechargeable-batteries/ultrathin-battery/ http://www.phdenergy.com/products/rechargeable-batteries/ult... https://www.digikey.com/product-detail/en/powerfilm-inc/MP3-25/1996-1023-ND/9559473 https://www.digikey.com/product-detail/en/powerfilm-inc/MP3-... I haven't done any calculations to see if these would provide enough power or not...
- heeen2 7y agoUse usb for power but also spin up an access point
- tyingq 7y agoThere's the Lichee Nano. Same chip, available with a WiFi module that plugs into the SD card slot. $8 total. https://www.seeedstudio.com/Sipeed-Lichee-Nano-Linux-Development-Board-16M-Flash-WiFi-Version-p-2893.html https://www.seeedstudio.com/Sipeed-Lichee-Nano-Linux-Develop...