This circuit is from an 80's publication. It makes use of small 6 V x 50 mA incandescent lamps. The diodes can be general purpose or even 1N4002. The transformer is 6.3 V with 100 mA or more current.
This circuit is from a documentation from the 50's. The transistors are made of germanium. The...
This circuit is from 1977 documentation, and high current equivalent transistor must be used. The...
Mouser Electronics is making available the SLN-IOT-GPT Integrated Development Experience, a...