Timer Plus Relay by IC 555

This be timer delay relay Circuit by IC 555. When see the circuit also a little equipment. By the value R1 and C1 perform set the time give Relay work 11 long ago second….
วงจรตั้งเวลาแบบง่ายๆ อีกแบบด้วยไอซี 555 อ่านต่อ

วงจรอื่นๆ
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