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Hello friends, today in this video i have shown how to make nice led matrix display using dual 4017 ic, and single ne555 ic as frequency generator.
Homemade inductance meter
• Diy simple inductance ...
Components and their purchase links :-
NE555 ic
www.utsource.net/itm/p/124749...
4017 ic
www.utsource.net/itm/p/190361...
BC 547
www.utsource.net/itm/p/817829...
10K resistor
www.utsource.net/itm/p/647961...
10K preset
www.utsource.net/itm/p/649402...
3.3K resistor
www.utsource.net/itm/p/649139...
470 ohm resistor
www.utsource.net/itm/p/647963...
2.2uf capacitor
www.utsource.net/itm/p/836493...
Led 64pcs
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Thank you for watching
15 апр 2019