DIY Long Battery Life Bicycle Indicators
Автор: Tom Heylen
Загружено: 2015-03-27
Просмотров: 167095
Описание:
Features:
LONG BATTERY LIFE. Circuit is completely turned off when not blinking.
ULTRA BRIGHT LED's
CHEAP, UNDER 20 BUCKS
VERY SMALL CONTROLLER BOX AND WIRING
WORKS ON A SINGLE 9V BATTERY
Parts list
2 x LED's (I used car LED's working on 12v that I found in a car parts shop for under 5 bucks)
Multi-pole switch
9v battery connector
9v battery
Small solder board
555 timer ship + socket
2 x 240 Ohm resistors
1 x 100 Ohm resistor
1 x 500 Kilo Ohm resistor
1 x 270 Kilo Ohm resistor
1 x diode 1n4148 or 1n4001 (most standard diodes will work)
1 x capacitor 100 micro farad
1 x capacitor 1 micro farad
1 x capacitor 10 nano farad
Electrical wires
Housing (for circuit and battery)
Putting it together:
Solder everything together on the solder board.
If you use ready-to-use LED's, you have to bridge the resistor in the LED casing.
Final notes:
I made this circuit as a request of a friend.
He painted the indicators and mounted them to his bicycle.
To see updates and more info on this project, please visit the website at
http://tomtomheylen.com/categories/DI...
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