An IoT monitor for your laundry room

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An IoT-enabled monitoring device for laundry rooms to provide an alarm and phone feedback when a water leakage is detected. It also monitors dryer vent for over temperature conditions and also notifies about the washer and dryer cycle completion. It uses Arduino, Ethernet shield, Blynk app and bunch of sensors.   This started as a quick project to provide an alarm and phone notification when a water leak was detected in our second floor laundry room. A couple of years ago the drain hose from the washer somehow came out of the drain and the water made a bit of a

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Playing Tic Tac Toe against Arduino

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Nick Koumaris of educ8s.tv has come up with another cool video tutorial showing how to build an Arduino powered Tic Tac Toe game. The gaming interface consists of a colorful LCD touchscreen that allows the user to play this fun game against Arduino. Let’s take a quick look at the code of the project. We need three libraries in order the code to compile. You can find links for the all the libraries in the description below. As you can see, even a simple game like this, require more than 600 lines of code. The code is complex, so I won’t

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PolaPi: A Pi Zero based instant point, shoot, and print camera

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Even in today’s age of smartphones, polaroid cameras are still very popular because it not only allows you to capture the moments instantly, but also let you hold the printed picture immediately after taking the shot. Muth’s PolaPi is a Raspberry Pi Zero powered DIY instant camera that can point, shoot, and print the pictures on thermal papers. It uses a Sharp memory LCD for ‘live-view’ (and for review after taking shots) and the Nano thermal printer from Adafruit for printing monochrome images. Camera demo is shown in the following video.

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Arduino powered mini conveyor belt for training purpose

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Belt conveyors are key components of industrial automation systems. This modular mini conveyor belt is designed to replicate a miniature version of an industrial automation process that can be used in educational environments for industrial automation illustration using microcontrollers. It consists of a speed controller to drive a stepper motor with up to 2 Amps, and an Arduino board for automating tasks. The speed can be varied from 0 to 300 RPM, and is displayed on a 3-digit seven segment display module. The design was conceived to have the least amount of complex mechanical elements as possible, however, two special non trivial steps

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Automatic candy sorter

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Built by Willem Pennings from the Netherlands, this color candy sorting machine is robust and beautifully designed. It uses an Arduino controller, stepper motors, an RGB color sensor and several 3D-printed parts to perform sorting of colorful candies like M&M and Skittles. It can sort a 300 gram bag of mixed M&M in approximately 2-3 minutes. Posted below is a video showing the machine in action. The machine is able to sort M&M’s and Skittles by colour by performing optical measurements using the RGB sensor. It can be modified to sort any type of coloured object, as long as the individual pieces

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