Just like many people say, the things doing things have not used things, you can even buy cheaper, lighter, more powerful finished products on the market, and don't need labor. Then why do you have to make your own work?
Very simple, for fun!
Through a binoculars, Raspberry Pivot 2, camera modules, plus an Adafruit's LCD touch screen, we can make a fun berry to take pictures!
Step 1: Software preparation
step:
1. First download WHEEZY RASPBIAN - a special version of Raspbian OS, this version has been customized by Adafruit, which can be more convenient to interact with its 2.8-inch LCD touch screen.
2, extract the downloaded firmware.
3. Install the system to the SD card according to the tutorial of the Raspberry Paving System.
4. After installing the system, remove the SD card.
Step 2: Hardware test
Material:
raspberry pie
PI camera + cable
Installing a systematic Micro SD card
LCD touch screen
USB WiFi module
step:
1. Remove the Micro SD card from the adapter;
2, install Micro SD card to the Raspberry Party;
3. Connect the cable of the camera to the camera;
4. Connect the cable of the camera to the Raspberry Party;
5. Connect the LCD to the Raspberry Party;
6, connect the power supply, boot.
Step 3: System and camera settings
This step will complete the operating system and network settings, and set the camera to start from starting.
step:
1. Configure the operating system. If the Raspberry Piese Software Configuration Tool is not running at the Raspberry Fact, you can manually start via the sudo raspi-config command. Next, according to your needs time zone, language, keyboard, etc. Turn on the camera function and turn on the SSH function in Advanced Options. Next, restart the Raspberry Pie, complete the settings.
2. Connect the Raspberry to the network. Based on your needs, there are two network connection methods optional: wired or wireless.
If you use a wired network, insert the network cable into the network interface of the Raspberry Part, enter the account and password after restart.
If you use a wireless network, first connect the WiFi module to the USB of the Raspberry Pist, then run the sudo nano /etc/wpa_supplicant/wpa_supplicant.conf command, add the following code to the open file:
NetWork = {
SSID = "WiFi Name"
PSK = "WiFi Password"
}
Restart the Raspberry Party, the third line of the screen should be the IP address of your Raspberry School now.
3, next to configure the camera. Connect the Raspberry Pie through SSH, of course, you can also edit the keyboard and mouse directly on the Raspberry Pie. Browse ADAFRUIT's camera installation tutorial, then install and configure it according to this tutorial.
4, the Raspberry Pie is also connected by the mouse and ssh, and then install the configuration screen according to the Pitft tutorial.
Step 4: Select Wangyuan Method
To make the Raspberry Seafrise, it is not difficult to do, only one ordinary telescope, and then install the camera module back to the eyepiece of the telescope.
We use a binoculary here, there are two ways to fix the camera module very good:
1. Simply use the fixed material of leakage light such as tape, glue, etc., to the appropriate position.
2. Use the engineering design to create a perfect connection module for the camera and telescope. If you have enough time, but feel that it is more cool, of course, you can also choose this approach.
Below we briefly introduce two different installation methods.
Step 5: Quick production, manual processing
1. First, the size of the telescope glasses is obtained and the size is depicted on a sturdy foam.
2. Picture in a circular intermediate and measure the diameter to ensure that the draw is a circle.
3. Painting a 8mm x 8mm (this size is determined by the photosensitive element you selected) in the circular center.
4. Use the cutting tool to cut the square, test whether the camera module matches, and then cut the circular structure.
Next, as shown in the following video, fix each component together. It is used here to use considerable insulating tape. In addition, it is necessary to pay attention to ensuring the quality of imaging, and must pay attention to avoid leakage on the camera assembly installation.
Step 6: More high-end structural design
In addition to manual production and fixing, we can also choose a higher-end way to design the components we need.
We can design the components we need according to the precise dimensional size of the device, and use 3D printing or laser cutting techniques. The design tool I chose here is inkscape.
The following is the design, production and assembly process of the camera and telescope connection:
Then design the overall structure. In this step we will make a whole structural frame that allows the Raspberry Pieces and telescopes to fix it effectively. The specific design, production and assembly process are as follows:
Step 7: Image flip
In actual use, you might find images and actual scenes on the image are horizontal or vertically, this time you need a simple modification of the cam.py file in the Raspberry Pie.
1. Log in to the Raspberry School with SSH or Mouse Mouse;
2, enter the CD ADA and click Tab to be automatically completed;
3, execute the nano cam.py -c command, click Ctrl + W to search "# init camera" and will be positioned to the 571th line.
4, add two lines of code above # Camera.crop:
Camera.hflip = true // Level flipped to true
Camera.vflip = true // Turn out to true
5, save, exit and restart, the image should be corrected.
Step 8: Completion
If you intend to use this device outdoors, then you need to equip a battery for it. I use a 2300mAh battery pack that can provide a voltage of 4.8V. The electric consumption of the entire electronic suite is between 500 - 1000mAh every hour, and my battery can stick to 2 hours, and the effect of outdoor use is not very good.
Install the battery, the camera is installed, and then you should take some naked eye. It is not easy to see clearly.
What is the tower of this tower?
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