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BT智能手机探测器开源项目
消耗积分:2 |
格式:zip |
大小:0.01 MB |
2022-08-05
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描述
BT智能手机探测器
一个简单的 USB 设备，当通电时会检测您的智能手机。如果未检测到，则发出蜂鸣声。用作车上的提醒，因为我经常在家或办公室忘记电话；）
代码
ATTINY85 芯片的 Arduino 代码
C/C++
| /* | |
| 1 (PB5) -- (Vcc) 8 | |
| 2 (PB3) -- (PB2) 7 | |
| 3 (PB4) -- (PB1) 6 | |
| 4 (GND) -- (PB0) 5 | |
| PB5 -> 10 | |
| PB0 -> 11 | |
| PB1 -> 12 | |
| PB2 -> 13 | |
| REV. 2-7-2019 | |
| */ | |
|
#include |
|
|
#include |
|
|
//#include |
|
| //SoftwareSerial Monitor(5, 4); | |
| #define POWER 3//pin 2 - used to turn-on the BT module | |
| #define BUZZER 1 //pin 6 | |
| #define PULSE_IN 2 //pin 7 | |
| int duration = 0; | |
| void setup() { | |
| pinMode(BUZZER, OUTPUT); | |
| pinMode(POWER, OUTPUT); | |
| pinMode(PULSE_IN, INPUT); | |
| // used for serial | |
| /*pinMode(0, OUTPUT); | |
| pinMode(4, OUTPUT); // --> TX | |
| pinMode(5, INPUT);// --> RX | |
| Monitor.begin(9600); | |
| */ | |
| digitalWrite(POWER, HIGH); | |
| digitalWrite (BUZZER, HIGH); | |
| //wait fot BT to come up | |
| delay(20000); | |
| } | |
| void loop() { | |
| duration = pulseIn(PULSE_IN, LOW) / 100; | |
| if (duration >0) { | |
| for (int i = 0; i < 30; i++) { | |
| beep(500, 100); | |
| } | |
| //turn off BT | |
| digitalWrite(POWER, LOW); | |
| pinMode(POWER, INPUT); | |
| sleep(); | |
| } | |
| else { | |
| //turn off BT | |
| digitalWrite(POWER, LOW); | |
| pinMode(POWER, INPUT); | |
| sleep(); | |
| } | |
| } | |
| void beep(unsigned char delay_ms, unsigned char duration) { | |
| analogWrite(BUZZER, duration);// Almost any value can be used except 0 and 255 | |
| // experiment to get the best tone | |
| delay(delay_ms);// wait for a delay ms | |
| analogWrite(BUZZER, 0); // 0 turns it off | |
| delay(delay_ms);// wait for a delay ms | |
| } | |
| void sleep() { | |
| set_sleep_mode(SLEEP_MODE_PWR_DOWN); | |
| ADCSRA = 0;// ADC off | |
| power_all_disable(); | |
| sleep_enable(); | |
| sleep_cpu();// sleep | |
| } |
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