TeHyBug 18650 Universal Updated Board

TeHyBug 18650 v 1.1.6 Updated board

We’re excited to announce the latest version of our TeHyBug 18650 Universal board, a versatile and easy-to-use solution for a variety of DIY projects. Whether you’re a hobbyist or a professional, the TeHyBug 18650 Universal board offers the flexibility and functionality you need to bring your ideas to life.

The board features a compact design, measuring just 70x20mm, and is compatible with a wide range of popular sensors, including DHT11, DHT22, BME280, and more. With a low quiescent current, the TeHyBug 18650 Universal board won’t drain your battery when it’s not in use, making it an ideal IoT device.


To help you get started with the TeHyBug 18650 Universal board, we’ve provided detailed documentation on our website.

In addition to its versatility and ease-of-use, the TeHyBug 18650 Universal board also features several improvements to its design, including more convenient headers for I2C interfaces, an extra LED indicator, and a reset button.

If you’re interested in learning more about the TeHyBug 18650 Universal board, be sure to check out our website, where you can find more detailed information and purchase the board. We welcome your feedback and suggestions, and we’re always working to improve our products to better meet your needs.

The new updated version of the TeHyBug universal 18650 Board is already available at Tindie.

The difference compared to the previous version:

Old versionNew version
The previous version of the device utilized an ESP-01 Module that came with 1MB memory. It was straightforward to replace or switch out the module, and could be conveniently flashed with an esp-01 programmer. The device also had a display connector integrated on the board. However, since the ESP-01 Module did not support ADC ports, the previous version lacked any such ports.

The updated version of the device features a soldered-to-board ESP-m1 Module that comes with 2MB Memory. Unlike the previous version, this module needs to be flashed directly onto the TeHyBug board. The device no longer has a display connector on the board as a specially designed TeHyBug Display board is available. However, users can still use the i2c Port to connect a display. The new version includes an ADC Port that enables users to connect soil moisture and other ADC sensors. It’s worth noting that the ADC Port is also compatible with one-wire sensors. Another notable feature is the solar panel connector located on the back of the board. This feature makes it possible to charge the battery using a solar panel.

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