Questions tagged [fuses]

Refers to the component fuse that acts as a sacrificial device to provide overcorrect protection.

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Atmega 32U4 doesn't show on device manager after fuse bits reset

I am finally ready to try setting fuse bits on my ATMega32u4-AU custom board (8Mhz Ceramic Resonators, 3.3V), however, after I set the fuse bits and plug my board to computer, the device manager ...
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Prevent reading flash from Arduino (Pro Mini for example) with fuses

The situation is the following: I'm uploading code to Arduino board using USB programmer which communicates with the board via Tx/Rx serial (so boot-loader remains on the board). I want to prevent ...
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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 ...