tamox.net
宅配ボックスへの応用
送信器側だけでも、ポストにリードスイッチを付け利用はできている。
Photo1
蓋が閉まっているとき（リードスイッチが接しているとき），送信器、受信器ともに緑ＬＥＤがＯＮ
Photo2
蓋が開いているとき（リードスイッチが離れるたとき），送信器、受信器ともに赤ＬＥＤがＯＮ
Photo3
蓋が閉じられたとき（リードスイッチが接している），送信器、受信器ともに緑ＬＥＤがＯＮ
赤色ＬＥＤは、蓋が開けられた形跡により、送信器、受信器ともに赤色ＬＥＤはＯＮのまま
送信側のリセットスイッチを押すことにより、赤ＬＥＤはＯＦＦ
Photo4
受信器側：リードスイッチなし リセットボタンスイッチなし
#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
RF24 radio(9, 10); // CE, CSN
const byte address[6] = "00003";
#define btn_on 2
#define btn_rst 7
#define led_g 3
#define led_r 17
boolean button_state = 0;
boolean button_rst_state = 0;
boolean alter = 0;
char text[] = "";
char text_r[] = "";
void setup() {
pinMode(btn_on, INPUT);
pinMode(btn_rst, INPUT);
pinMode(led_g, OUTPUT);
pinMode(led_r, OUTPUT);
Serial.begin(9600);
radio.begin(); //Starting the Wireless communication
radio.openWritingPipe(address); //Setting the address where we will send the data
radio.setPALevel(RF24_PA_MIN); //You can set it as minimum or maximum depending on the distance between the transmitter and receiver.
radio.stopListening(); //This sets the module as transmitter
alter=0;
}
void loop()
{
button_state = digitalRead(btn_on);
button_rst_state = digitalRead(btn_rst);
if (button_rst_state==HIGH){
alter=0;
}
if (alter == 1){
digitalWrite(led_r, HIGH);
if(button_state == HIGH){
digitalWrite(led_g,HIGH);
const char text[] = "on";
radio.write(&text, sizeof(text)); //Sending the message to receiver
digitalWrite(led_g,HIGH);
}
else
{
digitalWrite(led_g, LOW);
const char text[] = "off";
radio.write(&text, sizeof(text));
const char text_r[] = "on";
radio.write(&text_r, sizeof(text_r)); //Sending the message to receiver
}
}
if(alter ==0){
if(button_state == HIGH){
const char text[] = "on";
radio.write(&text, sizeof(text)); //Sending the message to receiver
digitalWrite(led_g,HIGH);
digitalWrite(led_r,LOW);
const char text_r[] = "off";
radio.write(&text_r, sizeof(text_r)); //Sending the message to receiver
}
else
{
digitalWrite(led_g, LOW);
const char text[] = "off";
radio.write(&text, sizeof(text)); //Sending the message to receiver
alter = 1;
}
}
delay(1000);
}
//-----------------------------------------------------------------------
//skech_oct23b 受信器側コード
#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
RF24 radio(9, 10); // CE, CSN
const byte address[6] = "00003";
#define led_g 3
#define led_r 17
boolean button_state = 0;
char text[32] = ""; //Saving the incoming data
char text_r[32] = "";
void setup() {
pinMode(led_g, OUTPUT);
pinMode(led_r, OUTPUT);
Serial.begin(9600);
radio.begin();
radio.openReadingPipe(0, address); //Setting the address at which we will receive the data
radio.setPALevel(RF24_PA_MIN); //You can set this as minimum or maximum depending on the distance between the transmitter and receiver.
radio.startListening(); //This sets the module as receiver
}
void loop()
{
while (radio.available()){
radio.read(&text, sizeof(text)); //Reading the data
delay(5);
if(strcmp(text,"on") == 0){
digitalWrite(led_g, HIGH);
}
if(strcmp(text,"off") == 0){
digitalWrite(led_g, LOW);
}
radio.read(&text_r, sizeof(text_r)); //Reading the data
delay(5);
if(strcmp(text_r,"on") == 0){
digitalWrite(led_r, HIGH);
}
if(strcmp(text_r,"off") == 0){
digitalWrite(led_r, LOW);
}
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