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 ...

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 ...

Then, chances are you already know what an Arduino is, or at the very least ... pins for reading analog components (e.g., potentiometer, flex sensor, pH sensor), use a programming app available ...

hacked it in with an Arduino. The video does a wonderful job going into the details, but essentially by using an oxygen sensor with finer resolution (wide-band) and then outputting the appropriate ...

CMOS-based digital potentiometers typically cannot be u A circuit used to control the level of a video signal should have a 3-dB cutoff frequency of greater than 5 MHz for a television application ...