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Play your Guitar with Arduino-powered Footswitch
As creator Franco Molina points out, there’s a lot to worry about when playing guitar in front of an audience. Actually playing is one thing, but you have to pay attention to the crowd, move around on stage, make sure you don’t have any wardrobe malfunctions, and… hit a footswitch to change between clean and…
Smartcar Gets an ESP32 Upgrade
https://i.imgur.com/lbXWc7q.mp4 Remember Smartcar, the versatile and easy to use vehicle platform for your hobby-grade projects? It just received a powerful upgrade with an ESP32 as its “brain”, allowing it seamless connectivity via WiFi or Bluetooth. To sweeten the deal, it got new motors and fancy, custom-made chassis! More info Build it yourself Boards, sensors and kits…
LTspice inverter simulation with thermal effects
An LT spice simulation of a full bridge IGBT schematics with NTC thermistor temperature control and derating above a defined temperature. Warning: the following simulation intends only to show how a full IGBT bridge can be simulated with gate drivers and taking account of thermal effects. It is thus intended for educational example only without assurance on…
How to make earthquake alarm
Let’s test the D7S by Omron, the world’s smallest seismic transducer, and create a seismograph capable of a sensitivity and an accuracy that are comparable to the ones found in professional tools. Each day, thousands of earthquakes occur on our planet, but most of them cannot be perceived by the population (as they…
Interview with MEG: the Connected, Open Source, DIY Greenhouse
When I went to visit Maker Faire Rome earlier in 2013, in October, I stumbled upon an amazing project that caught my eye. It maybe was for the bright colours of for the stylish design, these small, (as big as a washing machine) greenhouses just grabbed my interest. I wasn’t surprised then, when just few…
Arduino Powered Pattern Making Machine
Mathematical relations and patterns are found all around us in our daily lives as well as in nature. These patterns can range from simple to complicated and harmonious to chaotic. No matter what type of pattern we encounter, these geometric figures have intrigued so much that and we have developed a fond appreciation of…
