555 simple temperature control circuit

RF cable can be customized for other specifications
Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM


NE555LM5679012



fill light&ring light

Fill Light,Ring Light,Led Ring Light,Selfie Ring Light

Shaoxing Shangyu Kenuo Photographic Equipment Factory , https://www.kernelphoto.com

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