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2016
I was just about to hook up an AdaFruit 8x8 LED matrix to the little round board from 4Troniks when they sent me something even better.   The version 0.2 board came with straight headers and an interesting daughter board full of WS2812B compatible LEDs. These are dead easy to code as they all take a common data line and work with the FastLED LED animation library for Arduino. The new board is fractionally larger and can be quite tall when stacked up. However I was also given a protoshi ...
I am a relative newcomer to arduino, but I need to make a display in the house which will tell me how much water is stored in my water tanks (max 15,000 litres) 30 meters from the house, I think the best method would be to use differential pressure and transmit the reading by wi-fi to an LCD screen in the house. Has anyone done this before? Can anyone help? ...
I've been given a new board from 4tronix to RoadTest, which is compatible with an Arduino UNO but with a significantly different form factor. The board is still in beta so has yet to gain a proper name. The board is 27mm in diameter about the same size as a£2 coin it has a ATMega328P-AU microcontroller and a CH340G USB interface A blue LED is attached to pin 13 4 digital and 4 analogue pins are broken out along each size with the power connectors top and bottom   On the back of th ...

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