#20 in RC servos
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Reddit mentions of RioRand 4 Sets MG995 Metal Gear High Speed Torque Servo RC Parts
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of RioRand 4 Sets MG995 Metal Gear High Speed Torque Servo RC Parts. Here are the top ones.
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- *Item size: 55 x 20 x 38mm
- *Connector Wire Length 295mm
- *Gear Type: All Metal Gears
- *Power Supply: Through External Adapter.
- *4 x MG995 Servo Sets (with accessories)
Features:
Specs:
| Height | 0.7 Inches |
| Length | 5.8 Inches |
| Weight | 0.22 Pounds |
| Width | 3.5 Inches |
If you have a UI on your computer, you don't actually have to be doing all the math on the robot. You can use a very simple board, which saves you a bit of money. RPIs are stupid cheap and quite capable though, so its kind of a toss up. Arduino has a higher GPIO voltage (5V vs 3.3V for the pi) and more pins going for it, though.
After that, it kind of comes down to your abilities and knowledge. If you want cheap and simple, you use generic $5-$10 servos. They need practically nothing to run, just a 5V wall wart and a 5V PWM. That will get you good positional control and really low cost.
If you want more power or feedback you need more sensors. If you want to get really advanced, active compliance would require actual motors (not servos), custom drivers with current control, and gearing, like 3d printed gears built into the frame, for instance.