4 layers99.2 × 94.3 mm

555-Chaser LED
code-ga/555-Chaser-LED
This is the five effect led board for you for your bed room. This build up by just using ic so just download schematic and build one right now
74 parts
Boards in 1 GitHub repository, designed in KiCad, that use the CD74HC93E by Texas Instruments (-55℃~+125℃ 1 2V~6V 35MHz 4 74HC Asynchronous Divide-by-2 Falling Edge Programmable divide ratio、Reset function、Multi-mode counting Up Counter PDIP-14 Counters, Dividers ROHS). See how each wires it, with its parts, size, README and files; the CD74HC93E’s symbol, footprint and pinout are on its own page.

code-ga/555-Chaser-LED
This is the five effect led board for you for your bed room. This build up by just using ic so just download schematic and build one right now