Questions tagged [safety]

The safety tag is for the well-being of the people and objects around you, and yourself.

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9v adapter burned out Leonardo style board

My first experience with Arduino ended in a tragedy. I bought a Leonardo from ebay and upon arrival, attached it to my laptop. Programmed a simple blink demo with the onboard LED. It started working. ...
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How can i prepare for short-circuit between 5V and GND pins?

My Arduino Uno controls a couple LEDs in a watertight enclosure. I'm running wires from ground, a data pin and the 5V pin into the enclosure. The Arduino is powered through the DC jack. What measures ...
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Is successively toggling power on and off bad for microcontrollers

Does successively turning power on and off damage an Arduino or Adafruit Audio FX Sound Board in long or short term? I build a "fairy phone" out of an old rotary phone, an Arduino Pro Mini 3v3/8Mhz, ...