Comments (11)
I am using mg90s (analog of sg90s with metal gears). They have same size like mg92b, but hight is smaller. I already made one leg and all right. But you have to use little bit longer pins (about 8mm). The only one problem I see - connection legs to the main part. Body is thicker then legs. But I think, this problem will be solved.
from hexapod-v2-7697.
I am using mg90s (analog of sg90s with metal gears). They have same size like mg92b, but hight is smaller. I already made one leg and all right. But you have to use little bit longer pins (about 8mm). The only one problem I see - connection legs to the main part. Body is thicker then legs. But I think, this problem will be solved.
I altered the thigh_bottom so that the thigh fits to the body, when you use MG90s servos. Here you go: https://github.com/UlrichKlotzsche/Hexapod-TowerPro_MG90s/blob/main/thigh_bottom_MG90s.stl
As I am new to 3D Printing and CAD, this is not perfect but it works for me.
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我也有这样的疑问,sg90的伺服可以代替Mg92b吗?
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+1 The same question
Can MG90D use instead of MG92B? Size is a bit different and torque for sure
https://www.towerpro.com.tw/product/mg92b/
https://www.towerpro.com.tw/product/mg90d-2/
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so do you use sg90s instead of mg92b and the hexapod still move?
im afraid it's too heavy for that servo
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No, I'm using mg90s. This is sg90s, but only with metal gears. I have already made only mechanical part. It is rather lightweight (540g with all my servos without battery and electronics). Robot standing without any powering, so there willn't a problem for servos, I think.
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540 g without battery and eletronics i think they are the most of the weight but this is a bit reassuring, thanks for info
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540 g without battery and eletronics i think they are the most of the weight but this is a bit reassuring, thanks for info
I will use 4*18650. It is about 200g. Esp32 and pwm controllers have no weight in this situation. Robot is weighing less kg. It is normal for 18 mg90s, IMHO)
But I recommend you use metal servos anyway
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Okay thanks, esp32 has more pwm do you use two pca9685 anyway?
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Okay thanks, esp32 has more pwm do you use two pca9685 anyway?
It has 16 pwms, I need 18 :)
Yeap, I'm using 2 pca9685. I think, the code will be quite unreadable, if some servos Wil be on esp32, and some on pca9685
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Okay thanks i forgot to see the pinout of the esp32 :)
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Related Issues (20)
- My first electronic project. HOT 44
- Lipo Nattern HOT 2
- 3D-Printed Parts do not fit together HOT 1
- screw/bolts sizes HOT 5
- PCB Order HOT 1
- Slow Button HOT 1
- Which version of servo - 180° or 360° HOT 3
- I can not find LINKIT 7697 HOT 2
- Please change LinkIt 7697. We cant find this :( . Many people like your project!!! But we cant find LinkIt 7697 : ( . And Thanx your work!!! HOT 3
- simulation?
- Linkit SDK is not online anymore... HOT 2
- I have spare PCB's if someone want. (also some other parts) HOT 6
- Alternate servo motors HOT 1
- STL files and source Code
- Possible to get source files for the models?
- Can I replace mg92b steering gear with another steering gear?
- different LRemote? HOT 1
- > There is 1 difference between left and right PCB. The SJ1 of right PCB is left open, but `SJ1` of left PCB should be **closed**. (This is i2c address setting of PCB9865) HOT 2
- Questions about app
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