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Simple On-bike Power Supply

Bare PCB # 120600-1

Price $22.00

Member price $20.00

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Bare PCB # 120600-1 for the Simple On-bike Power Supply, as described in Elektor Magazine January 2013.


Thirteen years into the new millennium, people no longer take printed maps on cycling trips. A smartphone suffices! However, with power for recharging the phone seldom close to hand, a 5 V supply on board the bike would be extremely useful. This article shows just how easy this is to provide.


Component List:

R1 = 1kOhm
C1 = 1000µF 35V, 5mm pitch, 10 mm diam.
C2 = 100µF 35V, 2.5mm pitch, 6 mm diam.
C3 = 10µF 16V, 2.5mm pitch, 5mm diam.
D1 = 24V 1W zener diode
D2–D5 = 1N5817 or SB140*
IC1 = BA05CC0T (LDO, 1A, TO220 case)*
LED1 = LED, green, 5mm
K1,K2,K3 = 2-way PCB screw terminal block, 5mm pitch
S1 = switch, DPDT, 24V 1A
PCB # 120600-1
Suitable plastic housing and connection clamps
* see text

SKU 16446
Editorial Number 120600-1
Issue Number 433
Manufacturer Eurocircuits
Length 53
Width 30
Product range Hardware
Category Power Supplies

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