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Servo Motor Into A Two-way Variable Speed Motor
Any servo motor can be changed to two-way variable speed motor . Usually control the speed and direction of the motor requires a motor driver chip as well as some other components, while the servo motor, these elements all have a. Modified servo motor is the most common and cheapest, get a robot with digital control method of transmission, so that you get a continuous rotation servo motor . This change, and partly mechanical, partly electrical. Electrical changes part of the potentiometer into two fixed resistors of the same resistance, and changes to the mechanical part will prevent the the motor full rotation limiting means removed.
First disassemble the servo motor. HTX500 servo motor shells connected by three plastic cards made, we can pry open with a small flat-blade screwdriver or similar sheet. From the top of the gear opened, then carefully from underneath the servo motor control circuit board pulled out (see Figure I). The inside of the mechanical limit of two, and with needle-nosed pliers is bent may be next to the rotation shaft of the metal stopper removal, with the obliquely cut plastic stopper on the top shell can be removed (see Figure J). 5k potentiometer to replace about two add up to 5k fixed resistor the the two 2.2k resistor on the line. Three lines on the potentiometer solutions welded down, and then the two resistors Figure K welded up. This new component package with insulating tape or heat shrink tube (see Figure L) then these circuit servo motor shells are stuffed back yard, then the shell loaded. Modified, can calibrate the continuous rotation servo motor, take a look at where the starting point. If the two resistor values are exactly equal, then sent to the servo motor is a 90 angle when the motor can be stopped. Your motor may be a little deviation, can try to experiment to see which angle can motor stopped using the previous procedure. Remember this value, because each servo motors are not the same.
Two continuously rotating the servo motor to complete a drawing robot
We will be able to complete a drawing robot with two continuous rotation servo dc motor. Two servo motors, a 9V battery, a small bread plate, a the Adafruit Boarduino control board (Arduino clone board), a Sharpie marker, there are a few plastic turntable. This circuit and the panoramic camera is the same, and all parts are glued together with hot melt adhesive. Any diameter can be done in 2 to 7cm dial wheels, for example, a plastic screw top cover. Would like to strengthen the gravitational wheels can also use tape to wrap the edge. Of the servo motor set as before, the code to use on the variables of the motor starting position just experimentally obtained (the motor start position may be different). The logic of the code so that a motor to move in a certain direction for a period of time, then change to another motor. Now you're done, you can try your robot.
First disassemble the servo motor. HTX500 servo motor shells connected by three plastic cards made, we can pry open with a small flat-blade screwdriver or similar sheet. From the top of the gear opened, then carefully from underneath the servo motor control circuit board pulled out (see Figure I). The inside of the mechanical limit of two, and with needle-nosed pliers is bent may be next to the rotation shaft of the metal stopper removal, with the obliquely cut plastic stopper on the top shell can be removed (see Figure J). 5k potentiometer to replace about two add up to 5k fixed resistor the the two 2.2k resistor on the line. Three lines on the potentiometer solutions welded down, and then the two resistors Figure K welded up. This new component package with insulating tape or heat shrink tube (see Figure L) then these circuit servo motor shells are stuffed back yard, then the shell loaded. Modified, can calibrate the continuous rotation servo motor, take a look at where the starting point. If the two resistor values are exactly equal, then sent to the servo motor is a 90 angle when the motor can be stopped. Your motor may be a little deviation, can try to experiment to see which angle can motor stopped using the previous procedure. Remember this value, because each servo motors are not the same.
Two continuously rotating the servo motor to complete a drawing robot
We will be able to complete a drawing robot with two continuous rotation servo dc motor. Two servo motors, a 9V battery, a small bread plate, a the Adafruit Boarduino control board (Arduino clone board), a Sharpie marker, there are a few plastic turntable. This circuit and the panoramic camera is the same, and all parts are glued together with hot melt adhesive. Any diameter can be done in 2 to 7cm dial wheels, for example, a plastic screw top cover. Would like to strengthen the gravitational wheels can also use tape to wrap the edge. Of the servo motor set as before, the code to use on the variables of the motor starting position just experimentally obtained (the motor start position may be different). The logic of the code so that a motor to move in a certain direction for a period of time, then change to another motor. Now you're done, you can try your robot.
