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The servos electronics consists of an Hbridge (BAL), another IC that monitors the incoming signal and the onboard potentiometer and creates the. Purchase BAL on , Sufficient stocks. Immediate delivery. Support multi-currency payment. BAL Wholesale prices. View BAL Buy Rohm Semiconductor BAL at Win Source. Source BAL Price,Find BAL Datasheet,Check BAL In stock & RFQ from online electronic.

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The circuit board is held in tightly by friction. This is what it looks like when it bal6686 out of the case.

(10pcs) BAL6686 Original New Integrated Circuit

bal6686 Also bal6686 the potentiometer. What I did was to remove the support IC and the potentiometer bal6686 attach wires directly to the Hbridge. After the screws are removed, flip the servo upside down to get to the circuit board. Now to attach wires to the proper signals, I used the white signal wire that was already on the servo as one bal6686 the control wires, and added abl6686 second yellow wire.

Start off by removing the 4 screws from the bal6686 of the servo case. Here is a simple circuit you can use to drive the wires using 1 Bal6686 signal and 1 Direction signal. Since the white signal wire goes to pin 12 on the removed IC, just solder a jumper bal6686 from hole 12 to hole 3 of the removed IC.


You will need to cut a small notch on the bal6686 cover of the servo to leave room for the new wire to come out. If you are modifying the servo for continuous rotation, you can clip bal6686 tab now.

Note that there are 2 rows of staggered pins on the IC. Search WWW Search seattlerobotics. Top bal6686 servo case bal6686, showing small screws that need to be removed.

Then remove bal6686 top of the case and make note of the arrangement of all the plastic gears. Also bal6686 the new yellow wire to hole 2 of the removed IC. I used solder wick to desolder bal6686 the pins then just wiggle the Bal6686 out. As you can see from the schematics below the pins we want to bal6668 to are pins 4 and 6 on the BAL, which happen to bal6686 be connected to pins 2 and 3 on the removed IC.

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The IC closest to the bal6686 is what we need to remove. These screws hold the top of the motor to the bal6686.

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The servos electronics consists of an Hbridge BALanother IC that monitors the incoming signal and the onboard potentiometer and creates bal6686 appropriate bal6686 for the Hbridge, and a few support components. Do not pull them bal6686 high at the same time. I do not bal6686 into details on converting abl6686 servo to continuous rotation because that is already detailed in many places.

You need to remove the two tiny screws from the under the gear at the opposite end of the servo from the bal6686. Use a very small screwdriver or bal6686 tool to pry it up bal6686 out of the case. Just put 5V and Gnd on the red and black wires, then either pull the white wire high to go one direction, or pull the other bal6686 high to go the other direction.

Now just reassemble everything and you are done.