Author name: Wise Tech

Cardio Data Logger

Although nowadays many portable devices (smartbands, smartwatches, smartphones,…) are available that can detect the Heart Rate (HR) and perform trace analysis, chest strap belts-based systems (like the one in the upper part of thr picture) are still widespread and used, but lacking the possibility to record and export the trace of the measurements. In my …

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Mail Alarm

After completing my GSM Home Alarm V1.0 and some time of using, I decided to make some modifications. In the hardware the main changes are the replacement of the ultrasonic sensor and the introduction of a keypad. On the software, I change the SMS notification by e-mail. Also I decided to scale down the circuit and design …

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How to build an Arduino WiFi 4×4 with Android Controller

RC cars can be WiFi Cars…? RC cars are cool, but cheap RC cars have limited range and can only be controlled with the particular controller that was included with the car. I purchased a RC jeep, complete with 4 wheel drive, flexible suspension, and off-road tires for about 30 bucks. Not long after playing …

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Autonomous Control of RC Car Using Arduino

This instructable shows how to modify an inexpensive RC car so it can be controlled by an on-board microcontroller.  You can program the controller to make the car do any number of driving patterns and stunts.  Once you have the car being controlled from the on-board controller, you can add sensors for light and sound …

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High currents, small spaces – a breeze for Wago 221

Perhaps the hottest this-year novelty from company Wago – 221 series terminal blocks are here. Not only in flyers and datasheets, but also in reality – in our stock. That´s why we bring you their description and mainly the first pieces to evaluate. New series 221 is based on a well-proven technology of contacts – …

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How to make a robotic dart shooting sentry

Tools: Hot Glue Gun Laptop with Arduino software 22 awg hookup wire (black, red, yellow) wire strippers usb cable drill 1/16th drillbit exacto knife Parts: 2 tongue depressors 1 clothespin 1 rubber-band 1 dart 1 cup (paper or plastic) 1 arduino 1 breadboard 1 led 1 momentary button switch 1 22k ohm resister 1 0.1uf capacitor 1 10k ohm resister …

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