Twitter Heart Beat Posting Device

Are you a twitter fan? Here is interesting open source electronic project from koress, Akiduki Pulse, a Twitter account updater device using your heartbeat.
The project will detect changes in fingertip blood flow by high-performance Reflective photo sensor photoreflector) RPR-220 from Rohm. The analog signal will be amplified by Op Amp LMC664 and then converted [...]





