jkiiski
Published © GPL3+

Electronic shutter control for pinhole camera

Control your pinhole camera with ease with this ultimate shutter control that delivers also timer and reciprocity control.

IntermediateFull instructions provided325
Electronic shutter control for pinhole camera

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
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White Bread Shield for Arduino 4-DIGIT DISPLAY WITH DRIVER MODULE (TM1637 DRIVER)
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SG90 Micro-servo motor
SG90 Micro-servo motor
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PUSH-BUTTON SWITCH
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5 mm LED: Red
5 mm LED: Red
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5 mm LED: Yellow
5 mm LED: Yellow
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9V Battery Clip
9V Battery Clip
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9V battery (generic)
9V battery (generic)
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ABS Plastic Multi-Purpose Enclosures w/ PC Board Standoffs
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Slide Switch
Slide Switch
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Rotary Encoder with Push-Button
Rotary Encoder with Push-Button
I used this one: https://www.velleman.eu/products/view/?id=439226. First I used it as is, but had a lot of issues with bouncing. Then I removed the rotary switch from the board and connected it with 10 kOhm pull-down resistors and capacitors (10 nF).
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Story

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Schematics

Electronic shutter circuit

Code

Code for shutter control

Credits

jkiiski

jkiiski

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