LED Arrow Flasher Kit – Assembly and Demo
Автор: DIY Simple Circuits
Загружено: 2024-02-10
Просмотров: 644
Описание:
Step-by-step placement, soldering and test of an LED “Flashing Arrow” kit.
The circuit uses no ICs and needs no adjustment after assembly — only
5 × BC550C NPN transistors, 21 red LEDs, several resistors, 1N4148 signal diodes and 100 µF electrolytic capacitors.
A good project for practising basic soldering skills.
00:00 Parts placement on the PCB
01:23 Soldering all components
01:57 Circuit diagram
02:01 Functional test
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