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【Training Camp】A dog that can run

Overview

It is developed based on the OpenHarmony open source Hongmeng system. The chip used is hi3861, which supports 16-channel servo control ( PCA9685PW/Q900,118 ), GPIO, ADC, PWM and other operations.

Chip solution: multi-channel steering gear control board based on HiSilicon Hi3861 chip and PCA9685

Product core parameters:

Working voltage: 7.4V~20V with overheating and overcurrent protection

Double-layer board design single-sided layout

Total material cost of the complete set:

name	price
power supply	twenty four
solder paste	13.8
screw stud	30
soldering wire	4.5
Pad	twenty two
8 servos	48
Writer	5
dog shell (pcb)	20

Other originals are basically bought from Lichuang Mall, and an 80 yuan free coupon will be given during the event.

pcb: Jialichuang free prototyping

Dog body structure, reference

pcb structure file: https://pro.lceda.cn/editor#id=fbc75115e2354c199aa09f25e0ff737a,tab=*3373c21b4bc54a45bcea9cc1090b53f4|437671f6d00f4866a980f07ae9f30e9e|e37 7ae628d134e61bc7d08a6e7ca5574|e1bbbec922524af2b83e42a448fe321a

Design Files

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Update:2025-05-18 20:47:48

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