Phototransistor-varied dead manʼs handle.
Dead manʼs handle realization based on blocking incoming light via operatorʼs hand. When hand is removed, like due operatorʼs heart attack, light rays hit phototransistor and program reacts to this crtitical signal. Alarming is done by sending light SOS via Morse sode.
- LAMP:bit for micro:bit (datasheet)
- micro:bit v. 2.21 (specification)
Check with recording for demonstration.
