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Top 4 C Tasmotum Projects
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Tasmota
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
One way is to look for devices that have unofficial firmware available, so you can just overwrite the included software for something more under your control. For example, check out Tasmota, "an open source firmware for Espressif ESP8266, ESP32, ESP32-S or ESP32-C3 chipset based devices": https://tasmota.github.io/docs/
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OpenBK7231T_App
Open source firmware (Tasmota/Esphome replacement) for BK7231T, BK7231N, BL2028N, T34, XR809, W800/W801, W600/W601, BL602, LN882H, Realtek chips and more
Project mention: More than 135 open hardware devices flashable with your own firmware | news.ycombinator.com | 2026-03-17Looks good, but it'll probably take a while until it's anywhere close to the coverage of existing repositories:
https://templates.blakadder.com/ has almost 3,000 devices flashable onto Tasmota firmware.
For older Tuya devices there's https://github.com/tuya-cloudcutter/tuya-cloudcutter
OpenBeken https://github.com/openshwprojects/OpenBK7231T_App covers 800 of the newer generation Tuya devices.
And there's a large community adapting ESP32 devices onto https://esphome.io/
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switchbota
Replaces the factory firmware on the SwitchBot Plug Mini via OTA, enabling the use of Tasmota without disassembling the unit.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C Tasmota discussion
C Tasmota related posts
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Google Killing Nest Thermostats Next Month
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Replace Philips Hue Automation with Home Assistant's
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DIY Geiger Counter and Tasmota ESP8266
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Tasmota: Open-source firmware for ESP devices
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Printing emails based on Message Filters, does not seem possible
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Tasmota – open-source firmware for ESP devices
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Making Tapo smart plug turn on when phone is connected to charger
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A note from our sponsor - SaaSHub
www.saashub.com | 11 Jul 2026
Index
What are some of the best open-source Tasmotum projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Tasmota | 24,541 |
| 2 | OpenBK7231T_App | 2,210 |
| 3 | tasmocompiler | 614 |
| 4 | switchbota | 143 |
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