用四个舵机做了一个蓝牙遥控的微型小车 - V2EX
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clowwindy

用四个舵机做了一个蓝牙遥控的微型小车

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  •   clowwindy Jul 26, 2015 11219 views
    This topic created in 3929 days ago, the information mentioned may be changed or developed.
    制作过程贴 Instructables 上了:
    http://www.instructables.com/id/Arduino-based-4WD-Bluetooth-Microbot/

    下一步就是把控制板换成 ESP8266,改为 Wi-Fi 遥控,并且可以缩小很多体积。
    10 replies    2016-02-14 14:01:05 +08:00
    Marcos
        1
    Marcos  
       Jul 26, 2015 via iPhone
    厉害
    hewigovens
        2
    hewigovens  
       Jul 26, 2015 via iPhone
    前后花了多少时间?
    clowwindy
        3
    clowwindy  
    OP
       Jul 26, 2015
    @hewigovens
    不算写代码的话大概一个小时?
    caizixian
        4
    caizixian  
       Jul 27, 2015
    @clowwindy 为什么考虑用舵机呢?用电机不就行了
    clowwindy
        5
    clowwindy  
    OP
       Jul 27, 2015
    @caizixian

    舵机 = 微型电机 + 调速电路 + 变速箱,少了调速电路 Arduino 驱动不了电机,少了变速箱车子走不起来。
    caizixian
        6
    caizixian  
       Jul 27, 2015
    @clowwindy 我自己那个不是这么做的,当然这样也不错
    clowwindy
        7
    clowwindy  
    OP
       Jul 28, 2015
    @caizixian 分享一下你的做法?
    IanPeverell
        8
    IanPeverell  
       Jul 28, 2015
    一般电机对电流要求比较大,Arduino的板子Digital I/O口电流一般都是20mA,直接接电机,该引脚将立即停止工作,所以只能通过Arduino控制启动和停止,不过可以用MOSFET来完成这个需求。
    caizixian
        9
    caizixian  
       Jul 29, 2015
    @clowwindy 我没上四驱,前轮只有转向

    驱动的话:我的第一种方案是PWM+电机
    第二种是驱动板+步进电机 不过步进电机慢了点就是

    当初觉得舵机略贵。。。
    spider82
        10
    spider82  
       Feb 14, 2016
    nice~ 舵机就是声音大而且慢。
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