In the microcontroller era today, Arduino ... level is below a threshold value. Here an LDR (Light Dependent Resistor) is used to measure the light level. The alarm system is triggered when a “Logic ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

Taste The Code Time of Flight Sensor (VL53L0x) Pellet Level Monitor with Arduino Cloud Posted: May 6, 2025 | Last updated: May 6, 2025 Hi, I'm Bill. I'm a software developer with a passion for ...

Makers, hobbyists and Arduino enthusiasts searching ... The finish spirit level and measure features an ultrasonic sensor for measuring the distance to the nearest object, an accelerometer for ...

It runs on an Arduino MEGA 2560 PRO (or similar microcontroller) and supports a wide array of additional hardware including pressure transducer, water level sensor, flow meter, OLED display ...