bornachTo increase the light sensitivity, I've used 3 of these old LEDs in parallel. The reversed bias current is still only microamps. To amplify this tiny current, I'm using 3 NPN transistors in a Darlington configuration.
LEDs as light sensor
A project log for Light Sensitive Kinetic Sculpture Tribute To Dad
A kinetic sculpture that reacts to light and shadow, constructed mostly from components my late father had recycled from other electronics
Discussions
Become a Hackaday.io Member
Create an account to leave a comment. Already have an account? Log In.