Circuits DIY – Page 345

SIM800L GSM/GPRS module is a mini GSM modem, capable of SMS text messages, make or receive phone calls, connect to the internet through GPRS…

A3144 Hall-effect Sensor belongs to the special class of sensors that measure the magnetic field. This is primarily a magnetic switch that o…

Radiofrequency Identification commonly terms as RFID is an Identification system. RFID uses radio frequency to communicate with the detector…

People have used microphones for more than a century. They remain one of the most integral parts of electronic production and recording. Ove…

In this tutorial, We will show you how to make an LED controller circuit for the Youtube Play button by using Arduino Nano and two 74HC595 s…

MQ5 Gas Sensor belongs to the category of those sensors which interact with the atmosphere. It is a small size, easy to interface, long life…

Simple Siren circuits are an important part of electronic security devices nowadays. In this project, we will focus on a simple & low-cost t…

Current Sensor Module ACS712 is a kind of sensor that interacts with electrical parameters. ACS712 current sensor module can measure the cur…

The ADXL345 is a tiny and low power 3-axis accelerometer with a resolution of 13-bit measurement at up to ±16 g. Digital output data can be…

The frequency-to-voltage converter converts the sinusoidal input frequency into an output voltage. In frequency to voltage converter, the ba…

You must have known the importance of door alarms. They work by detecting if the gate is closed or open. There are alarms set in the refrige…

PIR Motion Sensor Module HC-SR505 belongs to the category of the sensor that interacts with its surroundings. HC-SR505 sensor module detects…

In this tutorial, we are going to design a "Dual Mode Power Supply +12volt and -12volt". The +12V and +12V Dual Power Supply Circuit work by…

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