About the article


Programmable camera controller


This project dubbed TimeClick controls a digital SLR camera without human intervention using a wired connection. It can take photographs at fixed or random time intervals or in response to sensor input, which makes it suitable for various purposes from HDR photography to sound-triggered pictures.This project came about after having taken too many photos randomly at events like parties.

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Gerber file

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.

Download the BOM list
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
R1,R10 = 4.7kOhm
R2,R13,R14 = 1kOhm
R3,R4,R15 = 10kOhm
R5,R9 = 100kOhm
R6,R12 = 470kOhm
R7 = 47kOhm
R8 = 1Ohm
R11 = 1MOhm
R16 = 68kOhm
R17 = 15kOhm
R18 = 5.6kOhm
R19 = 1.5kOhm
P1 = 10kOhm trimpot
P2 = 100kOhm trimpot
C1,C2 = 22pF
C3,C6,C7,C8,C9 = 100nF
C4,C5 = 10µF 25V radial
C10 = 100pF
D1 = BPW16N photo transistor
D2 = 5.1V 400mW zener diode
T1 = BC547
T2 = BS170
IC1 = LP2954IT
IC2 = ATTINY861-20SU, programmed, Elektor # 100371-41
IC3 = LM358P
IC4 = CNY74-2
K1 = 6-pin (2x3) pinheader, lead pitch 2.54mm (0.1’’)
K2,K3,K4,K5,K7,K10,K11 = 3-pin pinheader, lead pitch 2.54mm (0.1’’)
K6,Bt1 = 2-pin pinheader, lead pitch 2.54mm (0.1’’)
S1 = switch, SPST
S2,S3,S4,S5 = 6 mm tactile switch type MC32830
K8 = PCB jack socket, 3.5 mm, stereo, e.g. Lumberg type 1503 09
K9 = PCB jack socket, 2.5 mm, stereo, e.g. Lumberg type 1501 06
X1 = 8MHz quartz crystal
LCD1 = LCD, 2 x 16 characters, Lumex type LCM-SO1602DSF/A

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