Rear view cameras, spy cameras, etc., there are enough, however, I wanted a camera that allows a live broadcast easily on any mobile phone or tablet. Incidentally, the construction of technical equipment is funny to me.
My cameras will be placed in a horse trailer and in a bird incubator.
Step 1: Material List
1x Raspberry PI Zero W Kit (Bundle 2) Link
1x Raspberry Pi Zero W Night Vision Camera Wide Angle Fisheye 5 MP 1080P Camera + 2 Infrared IR LED Link
1x Raspberry Pi Zero Camera Cable 16 cm FFC Cable for RPI Zero Pi0 Raspberry Pi Zero W Link
1x MicroSD card
1x DC BEC 5V Link
1x DC Power Black Jack Plug Link
1x 10cm 2x1mm cable (red and black)
8x M3x6mm Cap Point Hex Socket Screws
4x M2.5x3mm Cap Point Hex Socket Screws
1x 3d printed front plate
1x 3d printed enclosure
1x 3d printed back plate
1x 12x12x3mm alu spacer plate and 1x 40x20x3mm alu backplate. Alternatively you can use the aluminium heatsink from the Bundle 2. In this case print the alternative backplate.
Alternatively material whitch is not absolutely necessery:
2x 2pin female dupont connector
1x 4cm 1mm heat shrink tube
Step 2: Print Your Parts
I did a lot of tests so engeneering is alreday done, just print the parts!
PLA is required for the front panel and enclosure. The back plate is printed with PETG because the aluminum plate can become very hot.
You can download the 3D STL files from thingiverse. Link
First print the file "font_txt.stl" in black, change your filament to white and remove the skirt from your head bed. Second print front.stl
Frontplate: 100% infill
Enclosure: 50% infill
Backplate: 100% infill
Printing speed and tempartures depend on your 3d printer and your current filament.
Step 3: Install the Raspberry Pi Zero W
Step 1: Download the Raspbian image
Open the Raspverrypi web page and download the Raspbian Stretch Lite image (ZIP).
Step 2: Unzip the image and copy it to your microSD card.
$ unzip 2018-06-27-raspbian-stretch-lite.zip
$ sudo dd bs=1m if=2018-06-27-raspbian-stretch-lite.img of=/dev/diskX conv=sync
Step 3: Prepare your microSD card for connecting via ssh and usb.
1.) Open config.txt from your mircoSD boot volume
2.) add the following line at the very bottom dtoverlay=dwc2
3.) Save the file
4.) Open cmdline.txt from your mircoSD boot volume
5.) add the following after rootwait modules-load=dwc2,g_ether
6.) Save the file
Step 4: Connecting to the Pi Zero with USB and SSH
1.) unmount your microSD card
2.) put it into your Rasperry Pi Zero W
3.) connect your USB cable to your Mac and power your Pi with the USB data cable. Use the USB port and not the PWR port.
Step 5: Connect to your Rasperry PI via Secure Shell
1.) ssh firstname.lastname@example.org
Step 6: update your Rasperry
$ sudo apt-get update
$ sudo apt-get upgrade
Step 7: Enable Camera interface
1.) $ sudo raspi-config
2.) 5 Interface
3.) P1 Camera
3.) Enable > YES
Step 8: Install uv4l core and server
1.) $ curl http://www.linux-projects.org/listing/uv4l_repo/l... | sudo apt-key add -
2.) add the following line to /etc/apt/sources.list
$ sudo nano /etc/apt/sources.list deb http://www.linux-projects.org/listing/uv4l_repo/l... stretch main
$ sudo apt-get update
$ sudo apt-get install uv4l-server uv4l-raspicam uv4l-raspicam-extras
$ sudo service uv4l_raspicam restart
3.) update firmware
$ sudo rpi-update
Step 9: Setup your custom site
1.) $ sudo nano /etc/uv4l/uv4l-raspicam.conf
2.) uncomment the following lines
server-option = --enable-www-server=yes
server-option = --www-root-path=/usr/share/uv4l/www/
server-option = --www-port=80
3.) $ sudo mkdir /usr/share/uv4l/www
4.) $ cd /usr/share/uv4l/www
5.) $ sudo nano index.html
Copy and paste content from index.html (download from Thingiverse)
Step 10: Setting up a Raspberry Pi as an access point and DHCP Server
1.) $ sudo apt-get install dnsmasq hostapd
2.) $ sudo systemctl stop dnsmasq
3.) $ sudo systemctl stop hostapd
4.) $ sudo reboot
5.) $ ssh email@example.com
6.) $ sudo nano /etc/dhcpcd.conf
7.) $ sudo service dhcpcd restart
8.) $ sudo mv /etc/dnsmasq.conf /etc/dnsmasq.conf.orig
9.) $ sudo nano /etc/dnsmasq.conf
interface=wlan0 # Use the require wireless interface - usually wlan0
10.) $ sudo nano /etc/hostapd/hostapd.conf
11.) sudo nano /etc/default/hostapd DAEMON_CONF="/etc/hostapd/hostapd.conf"
12.) $ sudo systemctl start hostapd
13.) $ sudo systemctl start dnsmasq
14.) $ sudo reboot
Step 4: Assemble Your Pi Camera and Mount It on the Frontplate
1.) Assemble your Pi camera as shown in the picture. To facilitate mounting in the front panel, I glued the 4 screws on the Pi camera board from the front.
2.) Connect the ribbon cable to the camera
3.) Attach your camera to the front panel. Carefully align the rubber parts with the holes in the front panel. Also note that the small feet that hold the camera can break very quickly.
4.) Tighten the 4 nuts of the Pi camera
5.) Insert the IR lenses from the front through the large holes on the board
6.) Screw the optical lens into the socket from the front.
Step 5: Power Connection and Voltage Regulator
1.) If you have dupont connector you can use it. If not solder a cable of 1cm lenght betwin the voltage regulator and the DC Power Jack. Pay attention to solder it on the right side (Input).
2.) Next solder a cable of mi. 5 cm length to the output side of the voltage regulator. Also use dupont connector if available.
Step 6: Prepare Your Raspberry
1.) Solder 2 pin header to the 5V and Ground to your Raspberry Pi zero W.
2.) Apply a piece of double-sided tape to the small aluminum plate and cut away the supernatant.
3.) Apply the small aluminium plate on the Raspberry Pi Zero W CPU.
4.) Connect the ribbon cable from the camera to the Raspberry Pi.
5.) Place the large aluminum plate in the 3D printed back plate and place the Raspberry Pi Zero W on top. The board is screwed on the back plate with 4x 2.5mm screws.
1.) Now it´s time to finish our cam. Attach the front plate with the camera to the housing and screw it with 4x 3mm.
2.) Connect the cable from the voltage regulator to the Raspberry Pi Zero W.
3.) Fold the ribbon cable and the power cable carefully inside the housing and close the camera. Pay attention not to clamp any cable.
4.) Screw it with 4x 3mm to the housing.
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