Jakub Polonský created this solution to make breadboard prototyping safer for components:
BFuse – Electronic Fuse for Breadboard
adjustable and programmable electronic fuse especially designed for breadboards – a breadboard fuse, or BFuse
The trip current can be set from 50 mA to 1 A but it can measure current up to 6 A [..] It has reverse polarity protection (by P-FET), transient voltage suppressors both on its input and output and two LEDs for indication
Set current and actual current can be compared using ATTiny’s built-in comparator or sampled by the ATTiny’s ADC. Then, the microprocessor controls a P-FET switch that opens or closes the power supply
[…] BFuse: Electronic Fuse for Breadboard – [Link] […]
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