Trailcam – 7. Completion

Other sections

  1. Introduction
  2. Basic setup & Power
  3. PIR sensor
  4. IR lamp
  5. IR filter
  6. Buttons
  7. Completed pics, improvements and parts list
  8. Updates

 

Box / case

I’ve built the camera to be modular which helps when tinkering about with it but does take up a lot of space, hence the rather cramped appearance.

Camera in window cill mode
Camera in window cill mode
inside the camera
The tangly, wirey mess inside the trailcam. Generally, sensing on the front front piece, switches to the right of the main section and wi-fi on the left. 9v battery to the top with the switched tucked away from squirrely teeth.
inside front of camera
Inside of the front section with the IR lamp (top), camera and filter, PIR sensor. All held on with non committal bl-tak and gaffer tape! – it’s the future.
front view
Front (animal eye) view. I shall call him HAL and he shall sing nursery rhymes while he looses his mind.

Component list & suppliers

 

Item supplier Link
Battery – Easy Acc 1200mAh power bank. Amazon UK http://www.amazon.co.uk/gp/product/B008YRG5JQ?keywords=EasyAcc%2012000mAh%20Power%20Bank&qid=1452114498&ref_=sr_1_1&sr=8-1
Raspberry pi A RS Bought together but no longer available
Pi noIR camera RS
Wi-Fi adaptor Modmypi http://www.modmypi.com/raspberry-pi/accessories/wifi-dongles/wifi-dongle-ultra-long-range-high-gain-w-5dbi-antenna/?search=wifi
Relay Ciesco – now wirelessthings https://www.wirelessthings.net/3v-relay-board-supports-logic-level-kit
Lamp Maplin http://www.maplin.co.uk/p/infrared-spotlight-module-a23jn
IR filter eBay http://www.ebay.co.uk/itm/381270484479
Filter controller IC Modmypi http://www.modmypi.com/electronics/integrated-circuits-ics/l293dne-dual-h-bridge-ic-solenoid,-dc-and-stepper-motor-driver/?search=ADAS-807
Circuit board

Adafruit permaproto pi

Modmypi https://www.modmypi.com/search/?search=ADAS-1148
Circuit boards

Adafruit permaproto ½ size boards

Modmypi http://www.modmypi.com/raspberry-pi/breakout-boards/adafruit/adafruit-perma-proto-half-sized-breadboard-pcb-3-pack/?search=adafruit%20board
Buttons Modmypi http://www.modmypi.com/electronics/buttons-and-switches/colorful-tactile-button-switch-assortment-square-15-pack
PIR sensor Tandy  http://www.tandyonline.co.uk/pir-motion-sensor-module.html
Wires and other bits pimoroni https://shop.pimoroni.com/
Camera software pikrellcam http://billw2.github.io/pikrellcam/pikrellcam.html

GPIO Pin summary

Board

(physical)

BCM

(logic)

Use
12 18 Button 1 (green) – reboot
7 4 Button 2 (yellow) – restart wi-fi
26 7 Button 3 (red)
5 3 LED
16 23 Motor 1A
18 24 Motor 1B
22 25 Motor 1C
11 17 IR Lamp (connection to relay)
15 22 PIR sensor

Examples

Filmed through glass and saved as an mp4

Filmed outside running on batteries. Video has been cut down in length using windows movie maker so is saved as a wmv

 

Now using adobe elements and with the interesting vids cut together

Improvements

Now that the weather has given me the chance to run the project outside, there are a couple of areas that I’m not happy with:

  1. reflection – there looks to be a noticeable reflection from the light on the lens (not helped by the badger nosing it!. I need to find some way of keeping it waterproof whilst stopping the reflection – also might try and find a way to stop the IR filter cutting off the corners of the image.
  2. Brightness of image – the image is too dark and noticeably darker than the previous version. I think that this is partly due to the camera being set as “auto” (hence it brightening up after the bager nosed it) and partly due to the lamp
  3. Lamp connection – The hardware weak point is the connection to the lamp. At every opportunity the wires fall off to such an extent that the solder pads on the lamp have fallen apart.

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