As the first metal-oxide gas sensor featuring multiple sensing elements on one chip, the SGP30 provides more detailed information about the air quality. Download all the source files and open examples ...

It would be hard to find any electronics still in production which use CRT displays, but for some inscrutable reason it’s easy to find cheap 4-inch CRTs on AliExpress. Not that we’re ...

Continuously tracks temperature & humidity using a DHT22 sensor and provides real-time fire alerts with buzzer and animated OLED visuals. Boot-time and weather animations ...