A circuit getting 12V power supply with the help of a power jack and that 12V was converting into 9V with the help of a XL4015 converter module then this 9V was converting into 5V with the help of LM2596 converter module this converted 5V was further used to power microcontroller, a Bluetooth and 2 connector are provided for the 5V so that we can connect external components to our PCB. Further three L298 are connected to operate three stepper motors, these L298 are powered by 9V but there is a problem that these L298 get too hot when they are used continuously for 4-5 hours such that it was very difficult to control there heat and at last our circuit stop working or start fluctuating but our expectations are that this PCB should work for 9-10 hours continuously without any fluctuation.
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Hello dear, This is Raxit Parmar Here, I have read your project and gone through it. Let's discuss more on message that could we start your project. Also Let us know that is Schematic Ready ? Regards Raxit