array(1) {
["project_id"]=>
string(1) "7"
}
db connection success!
project name: Digital Tachometer Using Arduino and 7-Segment Display
project description: Measure and display motor rotational speed.
project documentation: https://www.instructables.com/Digital-Tachometer-Using-Arduino-and-7-Segment-Disp/
project price: 30
project fork count:
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