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This beastly DIY bench energy provide will fulfill any requirement
Arduino Workforce — April fifteenth, 2024
Each maker ought to have a bench energy provide of their possession, prepared to offer no matter voltage a undertaking or explicit element requires. However not all bench energy provides are created equal. Some solely have a single output, some have a restricted voltage vary, and a few can’t deal with a lot present. In an try to remove such issues eternally, Doug Domke constructed “the Beast.”
This can be a beefy bench energy provide that may simply deal with any undertaking an electronics tinkerer is more likely to deal with. It has three outputs that may all function on the similar time. Two of them will be set anyplace from 2V to 30V and may provide as much as 10A every, at 30V. Nevertheless, the provision transformer is simply rated for 240 watts. If each are pulling the complete present, then setting them above 24V would exceed the score. However that isn’t a scenario many individuals will discover themselves in. The third output comes from a 20W provide that may present 3V to 30V (optimistic or detrimental).
The person units every output’s voltage with a easy potentiometer, however an Arduino Nano displays the voltage and present of every utilizing the analog enter pins. The utmost 30V is much too excessive for the Arduino to work with immediately, so it takes measurements by voltage dividers. With voltage and present readings, the Arduino can then calculate wattage. It shows the knowledge for every output on a devoted 16×2 character LCD display, related by way of I2C.
In the event you’re in want of a strong bench energy provide, the Beast could match the invoice.
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