Description
LED ring on logic chips
A printed circuit board for assembling a simple LED flasher. The scheme was published in the journal Radio number 11 in 1986. I assembled this construction on the radio hobby shool while still a schoolboy. She remembered to me her simplicity, and the childish delight of the hand-assembled, working device.
The video briefly tells about this scheme, and about several improvements and modifications that were published in subsequent issues of the journal.
Schematic and Layout
https://drive.google.com/drive/folders/1fM6NLS9ekBCH4h0E2QaTLDDPKjx9pA0f?usp=sharing
Jun 09,2019
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LED ring on logic chips
2 Layers PCB 100 x 100 mm FR-4, 1.6 mm, 1, HASL with lead, Black Solder Mask, White silkscreen
Сontrol of LEDs on logic chips
2443
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7.38 (17)
Published: Jun 09,2019
Download Gerber file 25
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