I'm planning to build indicators for my bicycle using a total of 8 orange 2V 20mA LEDs, arranged in sets of 2; with one facing the side and the other the front or back.
The entire thing is supposed to be powered by a 9V block battery, and the AC source will in reality be a 555 timer which I'll power in parallel from the battery.
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If you have any ideas, suggestions, tips or improvements, feel free to comment them!
