This is Kit1, an open source network dosage, which can be used as a portable detector or as a monitoring station that reads the number of readings on the Internet. By default, it uses the cover leather to detect radiation. The reading is displayed on the LCD when used as a portable detector. There is also a speaker to make a beep on the radiation event, or for alert to get a higher reading. When used as a monitoring station, it acts as an automatic detector, does not require a separate computer to send readings. The circuit is designed to manufacturers, providing excellent performance comparable to commercial detectors. The expansion slot allows to add more sensors.
For those who want to use their own tools to build their dose meters, this is an open source, this is an IOT device, which can use multiple sensors and centralized data online. The reading can be accessed through the Restful API or directly to the Kit1 unit in the local LAN. This is useful when you want to monitor multiple locations, draw charts or analyze data.
By default, it is equipped with an SBM20 tube to measure gamma radiation, and there is an extension slot (V1.2.105) to add additional sensors. The code on GitHub supports the Bosch BME280 sensor by default.
By integrated Ethernet connection, all measurements can be automatically sent via the Internet, URADMonitor server, or any backend. Add battery, which can also be used as a portable dose meter that displays all measurements on the LCD.
Version 1.0
The last open source compact radiation dose, it has an LCD, so allows mobile use, but also equipped with an Ethernet adapter, so it can do radiation monitoring (UradMonitor compatibility). This is a DIY cover leather counter kit named Uradmonitor Kit1, designed for popular needs. Now, all people who require Uradmonitor Kit have a good choice. The circuit uses single-layer PCB and only slot assemblies such that all DIY enthusiasts make it easier.
Version 1.1:
The new feature in urdmonitor_kit1_3 1.1 is that the version is used in an ferrite choke instead of the ferrite transformer in the high pressure inverter, so the complex part of the constructing custom transformer has disappeared. You can build this component using a shelf component, as well as a GerBers file used to make PCB. Simply send GerBers to the PCB manufacturer, get BOM and start welding. With a few components, you can have excellent doses.
Uradmonitor_kit1_6 has a slot for installing the SBM-20 Geiger tube, a connector for Ethernet modules and a slot for the NOKIA 5110 LCD screen. The LCD and Ethernet adapters can be removed, allowing configuring the final device: making a portable dose meter, monitoring station or both. The speaker provides sound signals, including clicks and alerts, buttons allow users to interact with software. There are two pins at the bottom to connect to the 3V battery (two AA series) or can be powered by the LM317 regulator using the DC connector, and then it can receive any voltage interval of 5-9V. The entire board is running at 3V, and the high-voltage inverter can increase up to 380V, and if you need to use a different Geiger tube, you can configure it in software up to 600V.
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Server infrastructure
Uradmonitor is big data. Hundreds of probes around the world are collecting measurement data per minute, and millions of entries in the database daily. The database of saving Kit1 data is designed to improve efficiency: only the smallest data entry. One reason for open source is to allow the use of additional sensors to customize Kit1 units. In this regard, the server must be adjusted, and there is now an extensible parameter list to upload.
Then, by monitoring and testing hardware, it is necessary to ensure accuracy of the data reasonably, which is impossible to achieve it. Let the server determine that the data is true or just some random useless bits are not an easy task.
Finally, but equally important, safety is coming. Initially, open source may be the root cause of exposure system vulnerabilities, must ensure that new open communication protocols can be used safely, and ultimately implement all data generated for open source Kit1 units to implement API authorization. Go to the dashboard, if you have no account, create an account. You need to use the USER-ID and user key in the new UradMonitor Kit1. If you purchase a stock firmware, you will not need them.
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Welcome URADMonitor Kit1.2.2.105
Since there are so many changes in the rear end of the server, it is imperative to improve Kit1 circuits and PCBs. From now on, bring your original GitHub repository and use this open design to do anything you like. The new version is kit1.2.105, you can see the first design picture below:
The new design is more compact, so if you want to add a battery, you will have more space. Some elements have been optimized, and the regulator becomes a separate SMD element, otherwise only through the hole element PCB.
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Use Kit1.2
After completing the KIT1.2 circuit, download firmware code from Github. In Config.h, add user ID and user keys from the dashboard.
Compile the code and write the HEX to the board using the 6 PIN ISP connector. For fuse settings, if you follow the original design, you need to set the external 8MHz crystal and make sure the EESAVE fuse is set.
Your device will receive the device ID of the server dynamically allocated. If you want to use the BME280 sensor, you already have a code. Use only USE_BME280_Sensor set in the configuration file.
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Add more sensors
Exposing I2C, UART, and Power by extended ports, you can add a large amount of extra sensors. Add sensor driver code and read the sensor in App / Data.cpp and App / Data.h INITSENSORS () and ReadSensorsSlow (). To send data online, see Code File MISC / EXPPROTOCOL.H to get parameter IDs and their usage in the URADMonitor.cpp line 350. More parameter IDs will be added as needed. All previous Kit1 hardware versions are compatible with new firmware.
To compile the code, use the Eclipse and AVR CrossPack plugins and Avrdude software. To upload HEX code, you can use multi-function USBASP programmers configured as 3.3V!
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Source: HackADAY.IO
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