Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

This GitHub project implements an HTTP web server on an ESP32 board that serves an HTML page displaying readings from a BME280 sensor, including temperature, humidity, and barometric pressure. The ...

Operating voltage: 3.3V .. 4.5V max Low current by power down: max 1uA I2C bus interface: max 400kHz Ambience light: ...

December 31, 2025 • A few years back, many politicians were raising the alarm about the dangers of "CRT" in schools. Today, the new risk to public education is "DEI." What do both of these moments ...