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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

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  1. J

    How to define steering deadband zone?

    Consider a hydraulic steering system with small electric motor atop. The maximum output torque of this motor is about 2 N.m. This output torque is input to worm gear. The output torque of the worm gear is about 20 N.m. This steering subsystem is mounted in a prototype truck. The requirement...
  2. S

    Control Project

    Hello, I have to make a control system that mantains constant speed of a small car prototype using a DC gearmotor regardless of external disturbances such as slopes (small slopes). For the development of this project I thought that a posible solution could be a control system consisting of a...
  3. A

    Repairing Automotive Check Control Box

    Hi guys, I’m working on repairing some electrical issues on my old car. The gauges are a bit wonky, some don’t work and on the special occasion that they do they bounce up and down. I am currently going through the wiring of the car, but one issue I (may) have found is the check control box...
  4. S

    BLDC Motor Control without ESC or Drivers

    Hi all, I am essentially working on a research project in a lab where we would like to synchronize multiple Brushless DC motors or offset their phases (30 degrees offset, perfectly synchronized, etc.). Therefore, we are attempting to control a BLDC motor by powering the 3 coils in the proper...
  5. Clarkdale44

    A question about ESC (electronic speed control)

    Hello I am basically new to all this... ESC stuff.. Thing is i have couple of old hdd's and dvd drive's motors lying around. I need to drive these motors for DIY projects. So i researched a bit on them and found out that i need some sort of ESC to drive these BLDC motors and Servo controller...
  6. P

    Need help in controlling Voltage and Current

    I am trying to control voltage range from 1.5 to 34 using LM338 voltage regulator with 1000u capacitor at the input 430u capacitor at the output with potentiometer @ the adjustment terminal. I have 37v and around 5 Amps current at the Vout but when i try to reduce the voltage using...

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