Heartwarming Cell Phone Motor Starter Controller Circuit Diagram
2 shows the detailed circuit.
Cell phone motor starter controller circuit diagram. On off three phase motor connection power control schematic and. First the stop pushbuttons are connected in series to form a nor logic. Examples of control circuits 6 2 wire control 6 3 wire control 6 9 shunting thermal units during starting period 10.
They do not indicate the physical relationships of the various components in the controller. Line diagrams also called schematic or elementary diagrams show the circuits which form the basic operation of the controller. The circuit is built around dtmf decoder ic mt8870 ic1 timer ne555 ic2 wired as monostable multivibrator and a few discrete components.
Cell triac scr put npn transistor b c e pnp transistor b c e ujt n base e b2 b1 ujt p base e b2 b1 gate turn of thyristor g a k standard elementary diagram symbols. Next the start pushbuttons are connected in parallel to form an or logic circuit. 1 shows the block diagram of cellphone based water pump remote controller.
Line diagrams show circuits of the operation of the controller. The circuit diagram of the proposed dc motor speed controller can be seen below. Starting stopping of 3 phase motor from more than one place power control diagrams.
This control circuit is a variation of the three wire control circuit. Three phase motor connection star delta y δ reverse forward with timer power control diagram. In the above video clip we can see how the ic 555 based design is used for controlling speed of a dc motor.
They are an ideal means for troubleshooting a. The diagram below illustrates the control circuit needed to accomplish the operation. As you may witness although the bulb works perfectly in response to the pwms and varies its intensity from minimum glow to maximum low the motor does not.