592 articles written by P. Marian

Author: P. Marian

About: I love all about electronics, circuit diagrams and crazy projects that can help us achieve almost everything our mind can conceive. I created this website and I want to invite you to participate in our project and create the greatest electronic circuits database.


arduino rfid security system board

Arduino RFID Reader RC522 + Access Control System

P. Marian - 02/18/2015

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the [...]

Arduino DHT22 (AM2302) Tutorial + Library

P. Marian - 02/17/2015

You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and [...]

AM2302 / DHT22 Datasheet

P. Marian -

DHT22 utilizes exclusive digital signal collecting technique and humidity sensing technology and can ouptut calibrated digital signal. Small [...]

August 2014 – January 2015 Top 10 Projects

P. Marian - 02/16/2015

It's been a while since the last top 10 article so I thought it would be nice to [...]

ESP8266 Datasheet

P. Marian - 02/14/2015

ESP8266 offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to [...]
mcp1640 single cell to 3.3v boost converter

1.2V/1.5V Single Cell to 3.3V Boost Converter

P. Marian - 01/23/2015

Sometimes I need a 3.3V power source but the only one that I have are the 1.2 volt [...]
1.5v to 3v boost converter

One Battery to 3 Volts Step-up (Boost) Converter

P. Marian - 01/21/2015

With the help of this simple circuit you will be able to convert any voltage between 0.9V and [...]

AT89S52 Datasheet

P. Marian - 01/09/2015

The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The [...]

LM2596 Datasheet

P. Marian - 12/09/2014

The LM2596 regulator is monolithic integrated circuit ideally suited for easy and convenient design of a step−down switching [...]

LM5008 Datasheet

P. Marian - 09/23/2014

The LM5008 step-down switching regulator features all of the functions needed to implement a low cost, efficient, Buck [...]