TECHNICAL SUPPORT
Published 2026-02-15
When trying to install theservo, have you ever encountered this embarrassment: you can’t find a suitable fixing position for theservoyou bought? Trying to fit it into a small space, the result is that either the screw holes don't match up, or theservoarm gets stuck and cannot rotate. It was finally fixed, but the wiring was messed up again, which was annoying to watch. Don't worry, this is actually a common problem that most friends who are just starting the steering gear project will encounter. The key to solving this trouble often lies in an inconspicuous small part - micro servo l shape.
To put it bluntly, this little thing is an adapter. The steering gear itself is designed to be square and has fixed mounting holes. However, when we were working on the project, the shapes of the chassis, skeleton, and robotic arms were all kinds of weird. The L-shaped bracket is a bridge that helps you "glue" the servo to various strange positions. It usually has two vertical mounting surfaces. One surface locks the servo, and the other surface can be fixed on wooden boards, acrylic boards or 3D printed parts, which increases flexibility instantly. Using it, you don't have to work hard to change your structural design.
Material is the first thing to look at. Common ones are nylon plastic and aluminum alloy. Plastic is light, cheap, and not conductive. It is perfectly suitable for entry-level cars and small paws, and it is also light in weight. Aluminum alloy is stronger and not easy to deform, so it is suitable for use in scenarios where the steering gear is under heavy stress, or when the project has to run around and there is vibration. ️ You can weigh it. If you feel that the frame is a bit soft when the servo is running, it means it needs metal. In addition, the hole position must be accurate and match the model of the servo you have. Like the common SG90, the distance between the ear holes is different.
Never reverse the installation direction. Of the two sides of the L-shaped bracket, you have to think clearly about which side is attached to the servo and which side is attached to the equipment. If it is installed backwards, the position of the servo shaft may be offset and it will not match your connecting rod. Tightening screws is also a skill. If the screws are too long, they will hit the gear inside the servo. If the screws are too short, they will not lock tightly. It is recommended to put all the screws on by hand first, make sure they can be screwed in smoothly, and then use a small screwdriver to tighten them gently. Stop when you feel the force is exerting. Don't use too much force to make a miracle, and the plastic parts will be cracked and all the efforts will be wasted.
Many people ignore this point. In fact, choosing the right L-shaped bracket can make your wiring much neater. Some brackets have small slots or holes on the sides for tying straps. Think about it, the servo cable is already floating like that, and it will be troublesome if it gets caught in the gear when it is turned. With the tie holes, the wire can be securely fixed to the bracket and run along the structure. This small action can greatly reduce the failure rate during operation, and the entire equipment looks much more orderly, no longer a mess.
This little L-shaped bracket is simply a creative multiplier. What can a steering gear become? One side is fixed, and the other side is equipped with wheels. It is a small driving wheel module. Put the two brackets back to back and install two servos, and a simple 2-degree-of-freedom gimbal comes out, which can move the camera's head. I have seen someone use a bunch of L-shaped brackets and servos to build the legs of a six-legged robot. Although the structure is simple, it moves with style. Its versatility puts whatever screws and plates you have left to use.
Before you open a shopping website to search and place an order, you might as well go through your project in your mind. Where should the steering gear be installed? Is that place a flat surface or a corner? When the servo is turned, will the range of motion be blocked by the bracket itself? Is the direction of the force pulling or twisting? After thinking about this clearly, you can choose whether to buy a standard 90-degree angle bracket or one that can adjust the angle, whether to buy a single one or a set with screws. This little thought can make subsequent installations much smoother and save a lot of rework time.
In the project you were working on recently, did you encounter a problem that was stuck due to the fixing method? Do you think it can be solved by using this small bracket?
Update Time：2026-02-15
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