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!arduino@lemmy.ca

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Official starter kit or clones?

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Looking to get into Arduino for the first time. Have already searched about this topic, looking to seek some additional input, as you all seem to know what you are talking about. For reference the Elegoo clone is around half the price of the official pack. There is a Elegoo clone of the Mega board (as opposed to the Uno) which is almost as expensive as the official Uno one. Or would I be better off buying parts individually? I apologise for knowing nothing about electronics.

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Arduino chrono-thermostat

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Crossposted from: https://lemmy.ml/post/9698836

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Replacement controller for Atlas Vista 613 Wheelchair Lift

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This is the replacement controller I built for the wheelchair lift. The controller itself is in the middle. The four board on the left and right are a testing harness. The red and black wires are 24VDC and the green and white ones TX and GND for monitoring with a terminal program on my notebook (puTTY).

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When you let the smoke out of your very last Arduino Nano.

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I give you Frankenduino. It's an Arduino ProMini soldered onto a piece of protoboard and wired up to the Nano pinout.

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WYSIEYG for Mega 2560 R3 | Help someone with no free time that wants to get into this!

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Hey all,

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My little ProMini power supply board.

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This little power supply board plugs into a ProMini shield stack or the ProMini Backplane boards that I designed. It's basic but it has a couple of nice features.

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This is how I take something from a breadboard through prototype to finished product.

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I needed some LEDs so that I could track what my data lines were doing. I started with a bunch of LEDs and resistors on a breadboard.

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Pro Mini Shield Carrier

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I built these a few years ago to let me use UNO shields with Pro Minis to speed up prototyping. This was an early version. Later versions had more and more features added until I didn't need the shields anymore. That's when my Pro Mini Backplane was born.

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It's always a floating input.

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If your circuit is behaving weirdly, switching on when you touch a wire or move your hand over the circuit you almost certainly have a floating input. You can solve this problem with a pull-up resistor. Many AVRs have built-in pull-up resistors that you can turn on using code.

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