... | @@ -3,7 +3,7 @@ FreeDSM is accessible through its own web server. You can check the IP address i |
... | @@ -3,7 +3,7 @@ FreeDSM is accessible through its own web server. You can check the IP address i |
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The device It has a power switch and a USB-C connector for charging. It also has a LCD screen and a Joystick to control the menus.
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The device It has a power switch and a USB-C connector for charging. It also has a LCD screen and a Joystick to control the menus.
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<div align="center">
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<div align="center">
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<img src="img/C_joystick.jpg" width="800" align="center"/>
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<img src="img/C_joystick.jpg" width="400" align="center"/>
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</div>
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</div>
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... | @@ -20,7 +20,7 @@ The FreeDSM provides the information in 5 different ways: |
... | @@ -20,7 +20,7 @@ The FreeDSM provides the information in 5 different ways: |
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5. Additionally, there is a mode that we have called DEBUG to send the data in JSON format to any HTTP server you want to install. To enable it, using the web browser, go to "Consoles" -> "Manage File system", enable "Show hidden files" and you will see a ".debug" file in the list. Click on the white icon and you will be able to edit it including the information of your HTTP server that will receive the data, the port and a field (1/0) to send or not the data when the light sensor is saturated (0 mpsas).
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5. Additionally, there is a mode that we have called DEBUG to send the data in JSON format to any HTTP server you want to install. To enable it, using the web browser, go to "Consoles" -> "Manage File system", enable "Show hidden files" and you will see a ".debug" file in the list. Click on the white icon and you will be able to edit it including the information of your HTTP server that will receive the data, the port and a field (1/0) to send or not the data when the light sensor is saturated (0 mpsas).
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<div align="center">
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<div align="center">
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<img src="img/C_debug.jpg" width="800" align="center"/>
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<img src="img/C_debug.jpg" width="400" align="center"/>
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</div>
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</div>
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# First boot
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# First boot
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... | @@ -86,3 +86,9 @@ It is possible to download these .TXT JSON files through the photometer's web in |
... | @@ -86,3 +86,9 @@ It is possible to download these .TXT JSON files through the photometer's web in |
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</div>
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</div>
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In this menu we can see the name of the device, see the IP assigned to us by the Access Point (AP), restart the FreeDSM or reset the WiFi configuration, so that when restarting it will behave as in the case of a ["First Boot"](./Configuration#first-boot)
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In this menu we can see the name of the device, see the IP assigned to us by the Access Point (AP), restart the FreeDSM or reset the WiFi configuration, so that when restarting it will behave as in the case of a ["First Boot"](./Configuration#first-boot)
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# How the sensors work
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The photometer takes 6 light measurements at the end of each minute, sending the data. Additionally, it incorporates temperature and humidity information, as well as the raw measurements used for the calculation of mpsas and their calibrated value (calibrated mpsas are displayed on the LCD screen). The device has a built-in generic average adjustment, with which we have obtained an error of about 0.10 mpsas (on moonless nights) in relation to the measurements of a Tess-W. It is possible to perform individual calibrations with parallel FreeDSM / Tess-W measurements, although it is outside the scope of this document. In such cases, the error is reduced to 0.5 mpsas.
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In addition to these automatic measurements, the "Read" button on the LCD screen can be selected using the joystick. This will trigger an instant measurement (provided an automatic one is not in progress) by turning off the display for about 6 seconds. |
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