- on Home & Garden
- Published in issue 9/2004 on page 0
Bike Tail Light with Standlight
Be seen even at standstill!
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.
R1 = 12Ohm
R2 = 1kOhm
R3 = 3kOhm 9
R4 = 27Ohm
R5 = 390Ohm
R6 = 150Ohm 1W
C1 = 100µ F 35V radial
C2 = 22µ F 16V radial
C3 = Goldcap 1F /5.5V (Conrad Electronics # 473120)
B1 = B80C1500, round case (80V iv, 1.5A)
D1,D2 = LED, red, 3mm, Kingbright L-934SRC-J (Reichelt, LED 3-3500RT)
D3 = LED super-red, 8 mm, Kingbright L-793SRC-F (Maplin # N46AT)
D4,D5 = 1N4148
D6 = zener diode 6.2V, 500mW
T1,T2 = BC547B
Bike rear light case, Busch & Müller type 339, www.bumm.de/docu/ruecklicht1.htm (UK distributor: Amba Marketing)
PCB, available from the PCBShop