TeHyBug Mini is probably the most advanced and featured environmental data logger. It serves the data via HTTP, MQTT, Webserver.Designed by TeHyBug in Germany
What's the difference? TeHyBug Mini is a minimalistic design of original TeHyBug and has similar features, it has a half height of the original TeHyBug. Currently, only two sensor types are support...Read More…
TeHyBug Mini is a minimalistic design of original TeHyBug and has similar features, it has a half height of the original TeHyBug. Currently, only two sensor types are supported by AM2320 and DS18b20. TeBug Mini is thicker than the original TeHyBug because the sensor is soldered to the back of the board, the thickness with a sensor is about 20mm, the width is also 20mm, the height is 34mm.
It uses a high precision AM2320 or DHT22 Temperature and Humidity sensor like TeHyBug s1:
Or optionally a DS18b20 temperature sensor like TeHyBug s4
A stainless steel packaged waterproof DS18b20 temperature probe/sensor:
TeHyBug (Temperature Humidity Spy Bug) the is ultimate low power environmental data spy-bug for your home. It logs an environmental data periodically and sends it to the TeHyBug-Server, your own web server or MQTT broker like a Raspberry Pi, where you can view the data in a nice daily/hourly graph. Measure the environmental data in your private server room, basement, storeroom, library, greenhouse, etc..
Create your own weather station. Put it at any place where your wifi network is available. The battery lasts for several months! In our testing environment, the TeHy-Bug with the DHT22 sensor is collecting data for more than a half year. It uses a single 3,7 Volt 18650 LiPo-Cell (depends on sending data frequency and battery type).
Before going live with environmental data measurement, you'll have to connect your TeHyBug with a browser to set up an HTTP URL of the data web server and provide your wifi network credentials for internet connection.
The module requires a 3.4 to 11 Volt input voltage. It also requires a connection to a wifi network to send the sensor data.
The device has a preinstalled code. In a setup mode, it acts as a wifi station, you'll have to connect your computer to a wifi network TeHyBug_xxxxx and open in your browser the URL: http://192.168.1.1/ a configuration web page will open, where you'll have to provide your wifi credentials so that your TeHyBug can connect to the internet, you will have two choices:
Configuration demo video: https://youtu.be/qpJ7f3i-ft8
Configuration main page:
Configuration default mode for a tehybug.com data server:
Configuration HTTP custom mode for your custom data server:
Configuration MQTT custom mode for your custom MQTT broker:
If you'd like to set up your own data server, you can use simple PHP data logging code example from here: https://github.com/gumslone/tehybug
How to improve TeHyBug's battery life and increase its battery operation time?
The battery life depends on the data-frequency you set for your TeHyBug. The TeHyBug consumes most of the power during the data measurement and wifi connection, once wifi connection is established and the sensor data is sent to the data server, the ESP8266 chip goes into a power saving deep-sleep mode. In battery powered mode the data-frequency should be set to 30 minutes or more. It also depends on the battery type that you use, by default you receive a TeHyBug with a 9v battery connector, so you can easily use it with a 9v battery. The 9v batteries have a low Ampere-hour capacity so it's recommended to keep the data-frequency high. TeHyBug supports different batteries from 3.4V to a maximum 11V, so you can use other batteries with it too. In case, you want it to measure the data very often (i.e. every 5 minutes or less), it is recommended to use a power supply, for example, a USB power supply for your TeHyBug.
If you have any further questions please feel free to contact me
Please check my store for TeHyBugs with different sensor types, like:
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Greg | Feb. 8, 2020
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