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Introduction ---------------- Hi Friends, I am a newcomer. I try to make 750w DC 24V DC motor speed control. At my project i use TL494 ( ka7500) for control the motor, the current increase by 3 mosfet IRF75n75 ( IFR3205) you can use the biger mosfet for get big power. At this video i show you how to i make it. I don't have the big motor so i use 288W 24V 775 motor for test. You can see the result on my video. The circuit run very well. The total cost of the project is around $10 - $15. Step 1 Hardware Requirement You can see all of my project but i will show again Step 2 Make the PCB You can make the PCB use iron method. I have post the Shematic and PCB file. Please download bellow. Or you can order PCB online like me, i order PCB online from JLCPCB.COM. Their price is very low only 2$/10PCB with high quality. I order PCB from their lot of time. You can try. Look the PCB i had order, what do you think about that ? Step 3 Make the PCB The Schematic and layout file. you can download PDF file below and make it at home by yourself. Step 3 Finsh and Get Big Motor Controler I am a newcomer and this is the fist time i post on this forums. If i have any mistake please comment below i will try to fix in the next project. I want to share you all of thing i know. If you have any question for my project, please comment below i will help you. You can find more project about electrical on my youtube channel: https://www.youtube.com/c/LongTechnical Thank you very much 750W_DC_Motor_Controller_TOP PCB.pdf 750W_DC_Motor_Controller_SCH.pdf 750W_DC_Motor_Controller_PCB.pdf
Hi guys, I would like to ask your help. I would like to make an electronic circuit where it can detect the fan failure and indicates it with the light. The specs are as follow: -240VAC cooling fan (4 unit) -1 tower light (green & red) I want to make the light indicate green when all the fan are working but the red when 1 or more of the fan fault. Thank you guys for your cooperation. I really appreciate it.