Custom Firmware For Cheap Bluetooth Thermometers
![Custom Firmware For Cheap Bluetooth Thermometers](https://hackaday.com/wp-content/uploads/2020/11/tempfw_feat.jpg?w=640)
The Xiaomi LYWSD03MMC temperature and humidity sensor is ridiculously cheap. If you're buying a few at a time, you can expect to pay as little as $5 USD a pop for these handy Bluetooth Low Energy envi
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4$ Xiaomi thermometer custom firmware LYWSD03MMC BLE TLSR8251
![](https://content.instructables.com/FZJ/AUIC/ID7UU4F1/FZJAUICID7UU4F1.jpg?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)
Bluetooth Thermometer : 8 Steps - Instructables
![](https://ae01.alicdn.com/kf/Sc761d358e2e94d29afa2a680a3a03cbeL.png_640x640.png_.webp)
Firmware refresh CaptainDMA Custom firmware - AliExpress
![](https://home-assistant-guide.com/wp-content/uploads/2023/07/xiaomi_mijia_bluetooth_thermometer_3_mjwsd05mmc_isolated-500x436.png)
Xiaomi's Bluetooth Thermometers: affordable, sleek, and hackable?
![](https://i.redd.it/j537bl50j3bc1.jpeg)
Converting Xiaomi LYWSD03MMC Temperature sensor from Bluetooth to Zigbee : r/homeassistant
![](https://smarthomescene.com/wp-content/uploads/2023/10/convert-xiaomi-lywsd03mmc-bluetooth-to-zigbee-01-activation.jpg.webp)
Convert Xiaomi LYWSD03MMC BLE Sensor to Zigbee - SmartHomeScene
![](https://i.ytimg.com/vi/orinnMN1Ik4/sddefault.jpg)
Xiaomi MiThermometer Custom firmware UPDATE for new Hardware Revisions
![](https://i.redd.it/the-govee-hygrometer-thermometer-is-a-great-sensor-for-self-v0-fum0w87btx7a1.jpg?width=1170&format=pjpg&auto=webp&s=25ebe707d439ce720adf32223810d8e700b94966)
The Govee Hygrometer Thermometer is a great sensor for self-made HVAC automation, it's BLE but it updates every second : r/homeassistant
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Custom Firmware For Cheap Bluetooth Thermometers Hackaday, 44% OFF
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Retro Television - Xiaomi Mijia Bluetooth Thermometer 2 LYWSD03MMC : r/3Dprinting
![](https://community.hubitat.com/uploads/default/original/3X/2/5/25872b07e85f5ccf9e877e9b39a95bde3830255f.jpeg)
Homemade Environment Sensor + Bluetooth little brother. Here are new possibilities - All things Rule Machine - Hubitat
![](https://m.media-amazon.com/images/I/61MJbKOt6kL.jpg)
MeatStick Chef X (One Probe Set), Quad Sensors Smart Wireless Meat Thermometer, 650ft Range Digital Food Probe with Bluetooth