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.
Read more »Using LEDs as Light Sensors
https://www.sparkfun.com –
- Login to post comments
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.
Read more »- Login to post comments
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.
Read more »- Login to post comments
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.
Read more »- Login to post comments
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.
Read more »- Login to post comments
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.
Read more »- Login to post comments
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.
Read more »Category: Electronic Circuits Tags:
- Login to post comments
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.
Read more »- Login to post comments
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.
Read more »Category: Electronic Circuits Tags:
- Login to post comments
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.
Read more »Category: Raspberry Pi Tags:
- Login to post comments
