Touch the two metal strips that are about 1/16" apart bridging the gap with finger or ( push button) and the light will go on and remain on by the time constant of the 47uF capacitor and the 2 M potentiometer. The transistor is a 2N3904 ic 4011. Again note to all new comers to Everycircuit. If you click “in Chrome” or tap “in app” on a user names you will see their profile and a list of their public circuits for viewing.
