Just showing off my chirping bird BEAM circuit, originally designed by Wilf, and modified by me. It chirps for about 20-40 seconds and then stays off for 1-2 minutes.
Find more details on Instructables: https://www.instructables.com/Free-Formed-Solar-Chirping-Bird-Pendant-Using-0603/
Free-formedchirpingpendant
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