Difference between revisions of "BPI-Nano robot 机器人扩展板"
(→Software) |
|||
| (3 intermediate revisions by the same user not shown) | |||
| Line 16: | Line 16: | ||
=Hardware= | =Hardware= | ||
| − | == | + | ==技术规格== |
| − | * | + | *驱动芯片：L293B |
| − | * | + | *逻辑工作电压：5V DC |
| − | * | + | *电机驱动电压：7-12V DC |
| − | * | + | *最大驱动电流：1A（每路） |
| − | * | + | *电机驱动使用引脚：PIN4/5/6/7（Arduino控制器） |
| − | * | + | *平面尺寸：56x57mm |
| − | == | + | ==硬件接口示意== |
[[File:BPI-Nano_robort_interface.png]] | [[File:BPI-Nano_robort_interface.png]] | ||
| Line 30: | Line 30: | ||
[[File:BPI-Nano_robort_interface_1.png]] | [[File:BPI-Nano_robort_interface_1.png]] | ||
| − | == | + | ==PIN引脚定义== |
{| class="wikitable" | {| class="wikitable" | ||
| Line 48: | Line 48: | ||
|} | |} | ||
| − | = | + | =软件= |
| − | == | + | ==示例代码== |
//This motor shield use Pin 2,3,4,5,6,7,8 to control the motor | //This motor shield use Pin 2,3,4,5,6,7,8 to control the motor | ||
Latest revision as of 19:05, 9 October 2019
Overview
BPI-UNO32 with ESP32
BPI-Nano robot 机器人扩展板是为ardino nano板与arduino Nano兼容板设计. 由Harsh Dethe设计，由比派科技生产。
BPI-NANO robot 控制器可用的电机驱动扩展板,支持双路电机控制,单路最大电流可达1A.
Arduino标准插针设计接口,也可给Arduino Nano配合使用。可应用于小型移动机器人的开发。
Hardware
技术规格
- 驱动芯片：L293B
- 逻辑工作电压：5V DC
- 电机驱动电压：7-12V DC
- 最大驱动电流：1A（每路）
- 电机驱动使用引脚：PIN4/5/6/7（Arduino控制器）
- 平面尺寸：56x57mm
硬件接口示意
PIN引脚定义
| BPI-Nano aruino Nano robort GPIO pin define | |||
| Pin | Function | ||
| Digital 2、4 | Motor2 Steering control, 2 high level, 4 low level positive turn;Whereas inversion | ||
| Digital 3 | Motor 2 Enable interface, high level enable | ||
| Digital 5 | Motor 1 Enable interface, high level enable | ||
| Digital 7、8 | Motor 1 Steering control, 7 high level, 8 low level positive turn;Whereas inversion | ||
软件
示例代码
//This motor shield use Pin 2,3,4,5,6,7,8 to control the motor // Just plug the nano into the shield // Simply connect your motors to M1 ,M2 // Upload the code to BPI-NANO/arduino // Through serial monitor, type 'a','s', 'w','d','x' to control the motor // http://www.banana-pi.org/ // http://www.banana-pi.org/ // Last modified on 20/09/2019 int EN1 = 5; //Motor 1 Enable int EN2 = 3; //Motor 2 Enable int IN1 = 7; int IN2 = 8; //Motor 1 int IN3 = 2; int IN4 = 4; //Motor 2 void Motor1(int ENA, boolean reverse) { digitalWrite(ENA,HIGH); if(reverse) { digitalWrite(IN1,HIGH); digitalWrite(IN2,LOW); } else { digitalWrite(IN1,LOW); digitalWrite(IN1,HIGH); } } void Motor2(int ENB, boolean reverse) { digitalWrite(ENB,HIGH); if(reverse) { digitalWrite(IN3,HIGH); digitalWrite(IN4,LOW); } else { digitalWrite(IN3,LOW); digitalWrite(IN4,HIGH); } } void setup() { int i; for(i=2;i<=8;i++) //For BPI-NANO Motor Shield pinMode(i, OUTPUT); //set pin 2,3,4,5,6,78 to output mode Serial.begin(9600); } void loop() { int x,delay_en; char val; while(1) { val = Serial.read(); if(val!=-1) { switch(val) { case 'w'://Move ahead Motor1(100,true); Motor2(100,true); break; case 's'://move back Motor1(100,false); Motor2(100,false); break; case 'a'://turn left Motor1(100,true); Motor2(100,false); break; case 'd'://turn right Motor1(100,false); Motor2(100,true); break; case 'x'://stop digitalWrite(ENA,LOW); digitalWrite(ENB,LOW); break; } } } }
