put together a Bluetooth oil tempeartue sensor that sends data to RaceChrono app. Physically the sensor fits average oil filter sandwich. The code, schematics and instructions are provided with no ...

This video shows a rough comparison of a few different temperature sensors using an ESP32 and ESP8266. For a reference temperature, I used a Eutronics 4500 thermocouple sensor, which is used to ...

The damages that can be done by fire are devastating. To prevent causalities or damages, it is necessary to detect the fire, so that warnings can be provided and even automatic fire suppression ...

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V-LED This is the VCC pin of the LED. Connect this pin to the 5V pin of the Arduino with a 150Ω Current Limiting Resistor. LED-GND This is the Ground Pin of the LED. Connect this pin to the Ground pin ...