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AMB02 (RTL8710AF) Wi-Fi MicrocontrollerRealtek
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x 1 | |
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OLED Display |
x 1 | |
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18650 LIPO Battery (3.7V) |
x 1 | |
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push button |
x 1 | |
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dupont jumpers |
x 10 | |
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MLX90615 IR Temperature Sensor |
x 1 |
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arduino IDEArduino
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DIY Handheld Thermometer with WiFi
Background
Now is 2022 and we are still combatting COVID and its varients, it's a long battle so we need to play it smart.
How smart? There are many off-shell handheld thermometer out there and they offer very simple functions yet sell it quite expensively, but with the right tool and a bit of DIY spirit, you can actually make one that has IoT capability at lower price.
What is this about?
The main idea is to use an Arduino compatible dev board with WiFi connectivity to read temperature from an IR temperature sensor and display the data on an OLED display then wirelessly send the data to the cloud via MQTT protocol.
Demo
Technical Details
To do just that, we can use an Ameba AMB02 (RTL8710AF) IOT dev board from Realtek, and then it's just a matter of a few simple steps using the source code and materials provided in the Github repository at,
https://github.com/xidameng/Ameba_Examples/tree/master/RTL8195AM/ThermoGun
Steps
- Download the github repository using the link above
- Add the AMB02 Arduino package to Arduino IDE using https://github.com/ambiot/amb1_arduino/raw/master/Arduino_package/package_realtek.com_ameba1_index.json
- Download the "Adafruit GFX library" and "Adafruit SSD1306" library using Arduino IDE's built-in library manager
- Flash the .ino code found in the repo to the AMB02 board
- (optional) Print the cases using the .stl files found in the repo
- Assemble all parts together using the connection pic as follows
Done! Bravo! ??
Hope you enjoy this project and leave a comment if you have any question or suggestions~ Happy making~
---------------------------
This project is also listed on hackaday.IO at https://hackaday.io/project/184645-diy-iot-handheld-thermometer
DIY Handheld Thermometer with WiFi
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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