BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.

The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

Whenever the temperature climbs, we all see social media posts of car dashboards offering blisteringly hot temperature claims, but how accurate are they? As the big question is, really, where is the ...

The U.S. Department of Energy recommends setting your thermostat to 68 degrees in the winter. You can save about 10% a year on heating by lowering the temperature 7 to 10 degrees when you are asleep ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

October's cold temperatures have crept in as the first frost has arrived for most of the Northeast and so has the time to look at your thermostat and turn on the heat in your home. You may be ...

Steve Moser has posted on X about some code he found in the Home app of the iOS 26 beta. The code describes an “Adaptive Temperature” feature for home thermostats, which appears to offer several ...

We love Arduino here at Hackaday; they’ve probably done more to make embedded programming accessible to more people than anything else in the history of the field. One thing the Arduino ecosystem is ...

During a fireside chat with Meta CEO Mark Zuckerberg at Meta’s LlamaCon conference on Tuesday, Microsoft CEO Satya Nadella said that 20% to 30% of code inside the company’s repositories was “written ...

This video demonstrates how to set up a remote temperature monitoring system using an Arduino Uno R4 WiFi, an LM35 temperature sensor, and the MQTT protocol. The system captures ambient temperature ...