I tried to simulate the circuit, but had not much success. The smaller bread board represents the 12V DC Power Supply Note: I used DC motor in fritzing as there was no solenoid part. More details can be found in the attachment (breadboard & schematics). In order to ring the gong, the arduino first turns on the boost converter, waits 250 ms, then turns on solenoid and after 25ms turns off both boost converter and solenoid. I'm using mosfet high side switching to enable the boost converter and mosfet low side switching to trigger the solenoid. Arduino is used to control the boost converter and the solenoid. I'm using a 12V 2A DC Power Supply to power both the Arduino as well as DC-DC Boost Converter. DFRobot DC-DC Boost Converter (DFR0123).So before converting the prototype into the real build, I'd like to ask if there are obvious problems in the circuit or if there would be room for improvement. This is my first project and I had almost no prior experience with circuit design. My goal was to build an automatic gong and have a working prototype now.
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