Wiring up DHT11 Temp & Humidity sensor to the Arduino

http://www.hobbyist.co.nz

The DHT11 is chosen because it is lab calibrated, accurate and stable and its signal output is digital. Most important of all, it is relatively inexpensive for the given performance. Below is the pinout of the sensor.

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Created by Jayant 1 year 47 weeks ago – Made popular 1 year 47 weeks ago
Category: Arduino   Tags:

IR to RF Converter Circuit

http://circuitdigest.com

But IR remote has some limitations like low range and it only works in Line of Sight etc. So these limitations can be overcome by converting the IR signal into RF signal. RF signal does not required line of sight and have much better and long range then IR remote.

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Created by Jayant 1 year 49 weeks ago – Made popular 1 year 49 weeks ago
Category: Electronic Circuits   Tags:

A Lightning Detector for Arduino

http://runtimeprojects.com

In this tutorial, we will build a lightning detector using an Arduino Uno, a few resistors and some jumper wires. Most lightning detectors often cost too much for the normal hobbyist, however this does not mean one cannot enjoy lightning detection and the physics behind it.

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Created by Jayant 1 year 49 weeks ago – Made popular 1 year 49 weeks ago
Category: Arduino   Tags:

Windows Remote Arduino Project

https://create.arduino.cc

In this project, we will use Windows Remote Arduino to turn an LED on and off. It is a simple example, but will reveal the power that the library can give you to create many more advanced projects. Let’s get started!

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Created by Jayant 1 year 49 weeks ago – Made popular 1 year 49 weeks ago
Category: Arduino   Tags:

8051 Graphic LCD Interfacing

http://circuitdigest.com

In this project a Graphical LCD is interfaced with 8051 microcontroller. Here we have shown how to Display an Image on Graphical LCD (GLCD).

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Created by Jayant 2 years 5 days ago – Made popular 2 years 5 days ago
Category: Microcontrollers   Tags:

IR Detector Circuit

http://circuitdigest.com

IR sensor is very popular sensor, which is frequently used in many applications in electronics, like it is used in Remote control system, motion detector, Product counter, Line follower Robots, Alarms etc. We have already covered complete working of IR sensor here in this article: IR Sensor Module Circuit. IR Sensor basically consists a IR LED and a Photodiode.

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Created by Jayant 2 years 6 days ago – Made popular 2 years 6 days ago
Category: Electronic Circuits   Tags:

Raspberry Pi LCD Tutorial

http://circuitdigest.com

n this tutorial, we will Control a 16x2 LCD Display using Raspberry Pi. We will connect the LCD to GPIO (General Purpose Input Output) pins of PI to display characters on it. We will write a program in PYTHON to send the appropriate commands to the LCD through GPIO and display the needed characters on its screen.

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Created by Jayant 2 years 6 days ago – Made popular 2 years 6 days ago
Category: Raspberry Pi   Tags:

Scientific Calculator with evive

http://www.instructables.com

We have built a Scientific calculator having lots of functions like

Basic algebraic operations (+, -, *, %)
Trigonometric functions (SINe, COSine, TANgent)
Inverse trigonometric functions (arcSin, arcCos, arcTan)
Logarithmic function
Square root.

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Created by Jayant 2 years 2 weeks ago – Made popular 2 years 2 weeks ago
Category: Arduino   Tags:

DC to AC Inverter Circuit

http://circuitdigest.com

UPS is a system which converts DC to AC. So, UPS takes DC power of battery as input and gives AC power as output. Today we are going to build a 100 watt 12v DC to 220v AC inverter. This Circuit is simple and very useful.

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Created by Jayant 2 years 4 weeks ago – Made popular 2 years 4 weeks ago
Category: Electronic Circuits   Tags:

Coffee Cup Spy Cam

https://makezine.com

Take your cup of Joe from classic to classified with a tilt-triggered spy camera.The trick is to modify two paper coffee cups — install the device in one, slide it into the second, and align holes cut in the bottoms of each. Two LEDs can be seen through the standard plastic lid — one illuminates when the tilt switch is activated, the other flashes twice after a picture has been taken.

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Created by Jayant 2 years 4 weeks ago – Made popular 2 years 4 weeks ago
Category: Arduino   Tags:

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