Re: Wall Observer BTC/USD - Bitcoin price movement tracking & discussion

Cheekmate - a wireless haptic communication device

Anyone can be a crack chess champion!

For Bob and DIY'er

https://learn.adafruit.com/cheekmate-wireless-haptic-communication?view=all

Good idea, but does it work with AA batteries? I wouldn't dare put a Li-ion battery up my bum. These things are nasty!

#nohomo