Using LEDs as Light Sensors

https://www.sparkfun.com

It's a known trick that we can use LEDs in reverse. We'll explore how to use them as photodetectors with Arduino and create a simple demo that responds to hand swipes.

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Created by Jayant 3 hours 11 min ago – Made popular 3 hours 11 min ago
Category: Arduino   Tags:

Resistor Color Code Calculator

https://circuitdigest.com

A resistor is identified by its pattern of color of bands. There are 4, 5 and 6 band resistors. To calculate the resistance of a resistor, you can select the appropriate color bands in the this resistor color code calculator and calculate the resistance value according to the color of bands.

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Created by Jayant 3 hours 15 min ago – Made popular 3 hours 15 min ago
Category: Tools   Tags:

Voltage Divider Calculator

https://circuitdigest.com

A potential divider circuit is a very common circuit used in electronics where an input voltage has to be converted to another voltage less than it. This circuit is very useful for all analog circuits where variable voltages are required, hence it is important to understand how this circuit works and how to calculate the values of Resistors.

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Created by Jayant 3 hours 16 min ago – Made popular 3 hours 16 min ago
Category: Tools   Tags:

Programming an ATtiny84A from Arduino

https://www.sparkfun.com

I’m currently working on a project that requires a cheap, low-power microcontroller that’s programmable through Arduino and has a few more pins than the ATtiny85. That’s where I found the ATtiny84A. It has many of the same features as the ATtiny85, but has 12 I/O pins instead of six.

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Created by Jayant 3 hours 49 min ago – Made popular 3 hours 49 min ago
Category: Arduino   Tags:

Video - Your First Arduino Project

https://www.makexchange.com

Get started with your very first Arduino project by making an LED light blink on and off. We'll look at how you can modify your project and show some future applications that we can build from this solid starting point.

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Created by Jayant 3 hours 52 min ago – Made popular 3 hours 52 min ago
Category: Arduino   Tags:

L293D Pinout

https://components101.com

The L293D is a famous 16-Pin Motor Driver IC. As the name suggests it is mainly used to drive motors. A single L293D IC is capable of running two DC motors at the same time; also the direction of these two motors can be controlled independently.

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Created by Jayant 5 weeks 3 days ago – Made popular 5 weeks 3 days ago
Category: Robotics   Tags:

TRIAC Dimmer Circuit

https://circuitdigest.com

In this project we use Triac (Triode AC Switch) to control the brightness of the AC bulb with a IR TV Remote. You can also control Fan speed with your TV remote using this Triac Dimmer circuit.

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

Zener Diode 1N4728A

https://components101.com

A Zener diode is another form of diode, but is used for entirely different purpose. They are mainly used in protection circuits or as crude voltage regulators. Let us see how we can select one for your application.

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Created by Jayant 6 weeks 6 days ago – Made popular 6 weeks 6 days ago
Category: Tools   Tags:

RF Transmitter and Receiver Circuit

https://circuitdigest.com

Here we will learn the basics of RF module and how to use it as a standalone RF Transmitter and Receiver. Here we have explained the RF Transmitter and Receiver Circuit by controlling the LEDs wirelessly using RF.

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Created by Jayant 11 weeks 6 days ago – Made popular 11 weeks 6 days ago
Category: Electronic Circuits   Tags:

Build your own Smart TV Using RaspberryPi, NodeJS and Socket.io

https://www.codementor.io

Describing in details how I built the front-end is out-of-scope in this tutorial, however I would like to point out few tips that I discovered while doing this project.

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Created by Jayant 13 weeks 1 day ago – Made popular 13 weeks 1 day ago
Category: Raspberry Pi   Tags:

Panic Alarm Circuit

https://circuitdigest.com

A Panic Alarm Circuit is used to send an emergency signal immediately to the people in nearby location to call for help or to alert them. The possible panic situation can be any, it is not restricted to few situations.

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Created by Jayant 13 weeks 1 day ago – Made popular 13 weeks 1 day ago
Category: Electronic Circuits   Tags:

Control an LED remotely with an Arduino and Ubidots

http://blog.ubidots.com

This tutorial shows some of the basic capabilities of an Arduino and it’s integration with Ubidots. After doing it, you'll learn what an Arduino is, what it does and how you can set it up to turn an LED (or any other actuator) on and off from your Ubidots account. All you need to get started is an Arduino board and the official Arduino WiFi Shield.

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Created by Jayant 13 weeks 1 day ago – Made popular 13 weeks 1 day ago
Category: Arduino   Tags:

DIY Arduino 3D Printers You Can Build Yourself

https://all3dp.com

Arduino 3D printers are a rare breed indeed. But if you want an Arduino 3D printer and have some tinkering skills, you should take a look a these DIY Arduino printer projects.

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Created by Jayant 13 weeks 1 day ago – Made popular 13 weeks 1 day ago
Category: Arduino   Tags:

ArduCAM NOIR Raspberry Pi camera with Motorized IR Cut Filter

http://www.arducam.com

Raspberry pi camera has both color version pi camera board and NoIR version pi camera board. So let’s take a look at the difference between these two types of camera.

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Created by Jayant 13 weeks 1 day ago – Made popular 13 weeks 1 day ago
Category: Raspberry Pi   Tags:

Fingerprint Attendance System

https://circuitdigest.com

By using fingerprint sensor, the system will become more secure for the users. Following sections explains technical details of making a fingerprint based biometric attendance system using Arduino.

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Created by Jayant 14 weeks 5 days ago – Made popular 14 weeks 5 days ago
Category: Microcontrollers   Tags:

FM Transmitter Circuit Diagram

https://circuitdigest.com

Learn how FM Transmitter Works and how one can build own FM transmitter with commonly available electronic components and a circuit diagram.

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Created by Jayant 17 weeks 5 days ago – Made popular 17 weeks 5 days ago
Category: Electronic Circuits   Tags:

Arduino Walking Robot

https://circuitdigest.com

This walking and dancing robot that takes command from an Android application to perform some pre-defined actions. You can also use the program (given at the end of the tutorial) to easily manipulate the actions of your very own robot by controlling the position of the servo motors using the Serial monitor.

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Created by Jayant 22 weeks 4 days ago – Made popular 22 weeks 4 days ago
Category: Robotics   Tags:

IoT Based Notification System using Android

http://electronicsforu.com

Presented here is a smart notification system for a door sensor, motion detector, fire alarm and doorbell using Raspberry Pi (RPi) and Pushover app. The project triggers an event through various sensors and sends notifications to your smartphone.

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Created by Jayant 22 weeks 4 days ago – Made popular 22 weeks 4 days ago
Category: Raspberry Pi   Tags:

DIY Binary Clock

https://lithostech.com

A binary clock is hardly a new idea, but this particular concept is something I haven’t seen anywhere else. And it was idling in the back of my mind for over a decade before finally seeing a working prototype.

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Created by Jayant 22 weeks 4 days ago – Made popular 22 weeks 4 days ago
Category: Electronic Circuits   Tags:

DIY Arduino based Speedometer

https://circuitdigest.com

This is a cool DIY project for makers where we design a speedometer for bike using arduino and 3D printed box. The speed of the bike can be viewed on an android phone.

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Created by Jayant 24 weeks 1 day ago – Made popular 24 weeks 1 day ago
Category: Arduino   Tags:

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