This guide will show you how to turn any CircuitPython powered board with 4+ GPIO pins into an AVR progammer all on its own. No software like avrdude is needed, this software will program the chip all on its own, just drag the HEX file onto the CircuitPython disk drive.
Read more »Stand-alone programming AVRs using CircuitPython
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Category: Microcontrollers Tags:
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Arduino MKR1000 Wi-Fi Board
https://components101.com –
The Arduino MKR1000 stands for “Maker 1000”. This small form factored board by Arduino is aimed at building IOT projects since it comes with an on-board Wi-Fi feature. It also runs on 32-bit architecture making it faster and more reliable with encryption features.
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Arduino RFID Door Lock
https://circuitdigest.com –
Here in this project we are using Arduino and relay to trigger the Electric Door Lock and RFID to authenticate, so your RFID tag will act as a key. If you place wrong RFID card near RFID reader a buzzer will beep to alert about wrong card.
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Stepper Motor with Raspberry Pi
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Stepper motors fall somewhere in between a regular DC motor and a servo motor. They have the advantage that they can be positioned accurately, moved forward or backwards one 'step' at a time, but they can also rotate continuously.
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28BYJ-48 - 5V Stepper Motor
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One of the most popular stepper motor among students and makers is the 28-BYJ48 Stepper Motors. These motors are used in your DVD drives, Motion camera and many more place. It has a 4 coil unipolar arrangement and each coil is rated for +5V hence it is relatively easy to control with any basic microcontrollers.
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Using LEDs as Light Sensors
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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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Resistor Color Code Calculator
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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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Voltage Divider Calculator
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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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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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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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