【Training Camp】Four-Legged Dog

Product introduction: Developed based on the OpenHarmony open source Hongmeng system. The chip used is hi3861. It supports 16-channel servo control, GPIO, ADC, PWM and other operation application scenarios: it can control robot dogs, small spiders, servos, and clouds. Desktop, robotic arm and other products, supporting up to 16-channel steering gear chip solution: multi-channel steering gear control board based on HiSilicon Hi3861 chip and PCA9685 Working voltage: 7.4V~ 20V Hardware interface with overheating and overcurrent protection: gpio, ADC, PWM The total material cost of the complete set: 101.63 yuan Battery: I have purchased it before, and here I spend 0 yuan PCB: Jialichuang free sample components: participate in the Lichuang EDA training camp to get a coupon to purchase (if pca9685 is out of stock in Lichuang Mall, you can get a Purchased on Baobao) 8 MG90 servos: 54.80 yuan (purchased on Baobao) PCA9685 chip: 14.7 yuan + 3 yuan (shipping fee) = 17.7 yuan Dog body structure -> Acrylic cutting version: 11 yuan Recommended store (reason: cheap price ): https://m.tb.cn/h.fvJsdLA?tk=GfeZ2L5NqdG USB-TTL: 7.48 yuan screws: 10.65 yuan servo screws, they are all brought with you; 12 M2.5*10 screws 12 4 M2.5 anti-slip nuts 4 40mm double-pass posts 8 M3*10 screws 8 M2.5*7 screws Officially provided document firmware and related information: Link: https://pan.baidu.com /s/1OztwrWfjke83tJw3oP9gRQ extraction code: qu2s production process tutorial: Follow the official EDA account at Station B. In addition to the teaching videos of this event, you can also see the teaching videos of previous events. The link to the teaching video of this event: https: //www.bilibili.com/video/BV1RU4y1D75p?spm_id_from=333.999.0.0Official project case link: Mechanical dog: ohosdog - Jialichuang EDA open source hardware platform (oshwhub.com) used in the steering gear installation of Chuanzhi Education Website (you must first connect to the WiFi of the HI3861 chip to perform this step): 192.168.10.1