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DIY soil moisture monitor for indoor plants (ESP8266 + Home Assistant)

What you'll build: a battery-friendly moisture sensor that publishes readings to Home Assistant over MQTT, so your phone tells you when each plant needs watering. Parts list: • Wemos D1 Mini (ESP8266) — small footprint, plenty of pins • Capacitive soil moisture sensor v1.2 (do N…

asked May 22, 2026 by DIY KIT

0 votes

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Voice-controlled light using ESP8266 + Alexa (no cloud account needed)

The cool part: this doesn't need an Amazon developer account, an MQTT broker, or any cloud service. The ESP8266 pretends to be a Belkin Wemo smart switch, which Alexa discovers natively over your LAN. Parts: • Wemos D1 Mini (ESP8266) • 5V relay module (the kind with an opto-isol…

intermediate esp8266 mqtt wifi alexa

asked May 7, 2026 by DIY KIT

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DIY soil moisture monitor for indoor plants (ESP8266 + Home Assistant)

Voice-controlled light using ESP8266 + Alexa (no cloud account needed)

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DIY soil moisture monitor for indoor plants (ESP8266 + Home Assistant)

Voice-controlled light using ESP8266 + Alexa (no cloud account needed)

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