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Building a LoRaWAN Class A Sensor Node with ESP8266, BME680 and RYLR993

In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 ...

Aqara Presence Multi-Sensor FP300 Now Available

u2028The Aqara Presence Multi-Sensor FP300 is now available worldwide via Aqara’s website, official retailers, and Amazon ...
Hackaday

Battery-Powered ESP8266 Sensor? Never Been Simpler

Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up ...

Aqara’s cord-free presence sensor runs for up to three years on battery power

The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.
Hackaday

ESP8266 Adds WiFi Logging To IKEA’s Air Quality Sensor

Introduced back in June, the IKEA VINDRIKTNING is a $12 USD sensor that uses colored LEDs to indicate the relative air quality in your home depending on how many particles it sucks up. Looking to ...
EDN

Configure multi-sensor systems with a delta-sigma ADC

Multi-sensor configurations for oil, gas, and petroleum measurements continually acquire sensitive pressure and thermal data. However, capturing the various combinations of physical temperature and ...