kopia lustrzana https://github.com/lightaprs/LightAPRS-W-1.0
Update README.md
Mustafa Tan
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README.md
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README.md
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# LightAPRS WSPR Tracker
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LightAPRS-W is an affordable, smallest, lightest, powerful and open source APRS tracker with WSPR. It makes tracking pico balloons simple and easy.
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It is able to report location, altitude, temperature and pressure to the internet ([APRS-IS](http://status.aprs2.net)) or direct to an amateur radio once a minute with a solar panel/super capacitors or just 4xAAA batteries.
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It is able to report location, altitude, temperature and pressure to the internet ([APRS-IS](http://status.aprs2.net)) or direct to an amateur radio once a minute with a solar panel/supercapacitors or just 4xAAA batteries.
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Because LightAPRS-W is open source you can add your own custom sensors via I2C/SPI pins.
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LightAPRS-W is available on http://shop.qrp-labs.com/index.php?route=product/product&path=76&product_id=127 for order. If you don't need WSPR, than check out APRS only tracker [LightAPRS](https://github.com/lightaprs/LightAPRS-1.0)
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LightAPRS-W is available on http://shop.qrp-labs.com/aprs/lightaprs-w for order. If you don't need WSPR, than check out APRS only tracker [LightAPRS](https://github.com/lightaprs/LightAPRS-1.0) or LoRa/LoRaWAN only tracker [LightTracker](https://github.com/lightaprs/LightTracker-1.0).
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<img src="images/lightaprs-w-pinout.jpeg" width="600">
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**Important :** LightAPRS-W uses the amateur 2 meter (VHF) and 10m+ (HF) radio band which requires an amateur radio license to operate.
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## Basic Features
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- **Software** : Open Source
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- **Weight** : 9 grams
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- **Dimensions** : 3.5 cm x 6 cm
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- **Dimensions** : 3.5 cm x 6 cm
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- **IDE** : Arduino
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- **Platform** : MightyCore
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- **CPU** : Atmega1284P-AU
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@ -29,7 +29,7 @@ LightAPRS-W is available on http://shop.qrp-labs.com/index.php?route=product/pro
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- **VHF Radio Module** : [Dorji DRA818V](http://www.dorji.com/products-detail.php?ProId=55) (included)
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- **VHF Radio Operating Frequency** : 144-146 Mhz (configurable by code)
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- **VHF Low Pass Filter** : Available (7 elements)
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- **VHF Radio Power** : 0.5 Watt or 1 Watt (configurable by code)
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- **VHF Radio Power** : 0.5 Watt or 1 Watt (configurable by code)
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- **VHF Power Consumption (TX)** : ~460 mA (0.5 Watt) / ~760 mA (1 Watt) (Automatically selected based on input voltage by code)
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- **HF Radio Module** : [Si5351A-B-GT](https://www.silabs.com/products/timing/clocks/cmos-clock-generators/device.si5351a-b-gt) (included)
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- **HF Radio Operating Frequency** : 2.5kHz - 200Mhz (configurable by code)
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@ -37,7 +37,7 @@ LightAPRS-W is available on http://shop.qrp-labs.com/index.php?route=product/pro
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<img src="images/lightaprs-w-si5351_clck_out.png" width="500">
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- **HF Radio Power** : ~10mW
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- **HF Radio Power** : ~10mW
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- **Power Consumption (Sleep)** : ~5 mA
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- **GPS** : Ublox MAX-M8Q (GPS-GLONASS)
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- **GPS Antenna Gain** : 4.3 dBi
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@ -75,7 +75,7 @@ Download and install [Arduino IDE](https://www.arduino.cc/en/Main/Software). If
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- Separate the URLs using a comma ( , ) if you have more than one URL
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- Open the **Tools > Board > Boards Manager...** menu item. [[Screenshot]](images/arduino-tools-boards-manager.png)
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- Wait for the platform indexes to finish downloading.
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- Type "MightyCore" in search bar until you see the **MightyCore** entry and click on it. <img src="images/arduino-boards-manager-mightycore-install.png">
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- Type "MightyCore" in the search bar until you see the **MightyCore** entry and click on it. <img src="images/arduino-boards-manager-mightycore-install.png">
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- Click **Install** .
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- After installation is complete, close the **Boards Manager** window.
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@ -94,13 +94,13 @@ Download and install [Arduino IDE](https://www.arduino.cc/en/Main/Software). If
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You are almost ready to programme LightAPRS-W Tracker :)
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- First download the repository to your computer using green "[clone or download](https://github.com/lightaprs/LightAPRS-W-1.0/archive/master.zip)" button.
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- There are more then one Arduino projects optimized for different use cases. For example if you are planning to use LightAPRS-W tracker for a pico balloon project, then use "[LightAPRS-W-pico-balloon](LightAPRS-W-pico-balloon)" folder.
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- First download the repository to your computer using the green "[clone or download](https://github.com/lightaprs/LightAPRS-W-1.0/archive/master.zip)" button.
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- There are more than one Arduino projects optimized for different use cases. For example if you are planning to use the LightAPRS-W tracker for a pico balloon project, then use the "[LightAPRS-W-pico-balloon](LightAPRS-W-pico-balloon)" folder.
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- You will notice some folders in the "libraries" folder. You have to copy these folders (libraries) into your Arduino libraries folder on your computer. Path to your Arduino libraries:
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- **Windows** : This PC\Documents\Arduino\libraries\
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- **Mac** : /Users/\<username\>/Documents/Arduino/libraries/ <img src="images/lightaprs-library-copy.png" width="600">
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**IMPORTANT :** LightAPRS-W uses more libraries than LightAPRS. So if you purchased LightAPRS and copied libraries before, do it again for LightAPRS-W. Otherwise you get compile error.
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**IMPORTANT :** LightAPRS-W uses more libraries than LightAPRS. So if you purchased LightAPRS and copied libraries before, do it again for LightAPRS-W. Otherwise you get a compile error.
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- Then open the *.ino file with Arduino IDE and change your settings (Callsign, SSID, comment, etc.)
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- Click **Verify**
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@ -108,29 +108,29 @@ You are almost ready to programme LightAPRS-W Tracker :)
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### 6.Upload
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- First attach an VHF antenna (at least 50cm monopole wire) to your tracker. Radio module may be damaged when not attaching an antenna, since power has nowhere to go.
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- Connect LightAPRS-W Tracker to your computer with micro USB cable.
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- If you have succesfully installed CH340G driver explained in the first step, you should see a COM port under **Tools->Port** menu item. Select that port.
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- Connect LightAPRS-W Tracker to your computer with a micro USB cable.
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- If you have successfully installed the CH340G driver explained in the first step, you should see a COM port under **Tools->Port** menu item. Select that port.
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<img src="images/lightaprs-arduino-port-select.png" width="600">
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<img src="images/lightaprs-arduino-port-select.png" width="600">
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- Click **Upload**
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- Your tracker is ready to launch :)
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## Support
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If you have any questions or need supoort, please contact support@lightaprs.com
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If you have any questions or need support, please contact support@lightaprs.com
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## FAQ
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**Q. I'm interested in pico balloon flights but I have no experience. What kind of balloon, solar panel, capacitor, etc. should I use?**
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A. Please check out our wiki page Tips & Tricks for Pico Balloons: https://github.com/lightaprs/LightAPRS-W-1.0/wiki/Tips-&-Tricks-for-Pico-Balloons
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A. Please check out our wiki page Tips & Tricks for Pico Balloons: https://github.com/lightaprs/LightAPRS-W-1.0/wiki/Tips-&-Tricks-for-Pico-Balloons
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**Q. What kind of antenna do i need to use on LightAPRS-W?**
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A. You can use any type. For airborne projects (such as pico balloons) we suggest quarter wave monopole antenna for VHF (2m APRS) becuase this makes your payload lighter. So just cut a light 50 cm. wire and solder it to antenna footprint (VHF) Since your payload is airborn and wavelenght is 2 meters, you don't need a wire for ground.
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A. You can use any type. For airborne projects (such as pico balloons) we suggest quarter wave monopole antenna for VHF (2m APRS) because this makes your payload lighter. So just cut a light 50 cm. wire and solder it to antenna footprint (VHF) Since your payload is airborn and wavelength is 2 meters, you don't need a wire for ground.
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But for HF length of antenna depends on your band chose for WSPR. For example if it is 20 meters, you need 5m for TX RF output and 5m for ground. Tie one end to the balloon and solder the other end to the groundplane of the PCB. Then solder another 5m of wire to the TX RF output on the PCB, and let it hang below.
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But for HF length the antenna depends on your band chosen for WSPR. For example if it is 20 meters, you need 5m for TX RF output and 5m for ground. Tie one end to the balloon and solder the other end to the ground plane of the PCB. Then solder another 5m of wire to the TX RF output on the PCB, and let it hang below.
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<img src="images/lightaprs-wspr-wire-antenna-pico-balloon.jpg" width="600">
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@ -148,7 +148,7 @@ Also check out Tom's (W5KUB) web site (http://tmedlin.com/balloon-3/) for a succ
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[](https://www.youtube.com/watch?v=A8XgT2lk1U4 "W5KUB High Altitude Pico Balloon Launch")
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**Q. But I want to use rubber duck antenna. Is it possible?**
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**Q. But I want to use a rubber duck antenna. Is it possible?**
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A. Yes. But you need a pcb type SMA connector (male or female) as follows:
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