arduino

Arduino Pulse Sensor How Does the Pulse Sensor Work and how to Interface it with Arduino?

In one of our basic projects, we have shown you how you can interface a MAX30102 Pulse Oximeter and Heart Rates Sensor…

Arduino MQ3 Alcohol Sensor How Does MQ-3 Alcohol Detector Work with Arduino and detect Alcohol?

Sensors now play an essential role in the safety and security of a wide range of flats, houses, and businesses by…

10 Segment Arduino Digital Clock Yet Another Arduino Digital Clock, but It’s Unique and You Will Need It

I know making a clock sounds a little irrelevant, especially nowadays because we all have smartphones and no one is going to…

Arduino NTC Thermistor Tutorial Interfacing NTC Thermistor with Arduino

Thermistors are simple, inexpensive, and accurate components that make it easy to get…

DIY POV Display How not to Build a POV Display Using WS2812B Neopixel LEDs and ESP8266

For one of our projects at circuit digest, we wanted to build a Persistence of Vision Display or POV display with WS2812B LEDs…

Arduino LM35 Temperature Sensor Interfacing How Does a LM35 Temperature Sensor Work and how to Interface it with Arduino?

If you are looking for an inexpensive, accurate, easy-to-use temperature sensor, then LM35 is an excellent choice. It has an…

Arduino Voice Recorder for Spy Bug Voice Recording Simple Arduino Voice Recorder for Spy Bug Voice Recording

Planning to buy a small voice recorder to record voices or sounds in an environment and store them in its memory? Think again!…

Interface Hall Effect Sensor Module with Arduino Interfacing Hall Effect Sensor Module with Arduino

A Hall effect sensor or Hall sensor is a magnetic non-contact sensor that generates an electrical signal proportional to the…

Interfacing 16x2 LCD with Arduino Interfacing 16x2 LCD with Arduino

In this digital age, we come across LCDs all around us from simple calculators to smartphones, computers and television sets,…

18650 Battery Capacity Tester DIY 18650 Li-Ion Battery Capacity and Discharge Testing Meter using Arduino

There are multiple Lithium batteries available in the market with larger options in capacity. However, as we all know lithium…