Kata Pengantar
Arduino, . , «» Windows. – , RFID– . – , , «» . .
, RFID-, . . . ( ). , , , .
:
:
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- Arduino Leonardo
- -D 12
- Bluetooth-
- 220, 2
- 220
. 15 15 .
. Arduino Leonardo, Uno, , USB-HID . Uno, , Windows . Leonardo , . Leonardo Arduino Due, Micro, Zero Esplora.
, :
10 AC250V DC30V. . , , :
digitalWrite(relay_pin, HIGH);
. , .
. DuPont. 2 . !
. , 12, 0,4 — Arduino. ? , , . Vin Arduino, — Gnd. : USB- Vin.
Bluetooth-
— Bluetooth-. HC-05, , .
, , — . , . , . . bluetooth- AT-. , AT- AT-. , (FC-114) (. ). AT-. , . - . , - AT-. , FC-114. 34 , , bluetooth- , 34 , Arduino.
bluettoth- HC-05. HC-05 " ". MAC-, . AT-, . RX bluetooth- 0 Arduino ( RX), TX 1 Arduino. , , UART Arduino. Arduino , UART Arduino.
void setup()
{
}
void loop()
{
}
, , , bluetooth-, AT-. , IDE (Tools -> Serial Monitor). , Serial Monitor, (baud rate) 38400 \r\n (Both NL & CR). , , "AT". "OK". "AT+NAME?". bluetooth-. -, , , MAC- , "Slave", "Master". :
AT+ROLE?
0 — , "Slave", 1 — "Master". , :
AT+ROLE=0 - "Slave":
MAC- Slave', Master , . :
AT+ADDR?
, : "ADDR:20:2:110001". , MAC- Slave' 20:2:110001.
Slave' . Master'. Arduino , Serial Monitor, 38400, /r/n. .
AT+ORGL
AT+RMAAD
AT+ROLE=1
AT+CMODE=1
AT+INIT
AT+INQ
AT+LINK=MAC- (: 20,2,110001)
, . ORGL , RMAAD "" Slave-. ROLE, , 1 , , Master. CMODE 1 ( 0) , Master- Slave- ( ). INIT SPP (Serial Port Profile), / . : " Bluetooth , , ". 17 . , , . INQ , Master- Slave-. — MAC- . :
+INQ:address,type,signal 20:2:110001,0,7FFF
. MAC- Slave' LINK Master- Slave'. , MAC- . bluetooth- ~2 . , . ( ) — , "".
AT-:
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- Arduino Uno
- Bluetooth-
- RFID —
- LCD —
.
LCD —
LCD- 1620. 2 16 . Arduino I2C. I2C – , (SDA SCL). — . (master) (slave), master, . 127 . I2C , – (SDA, . Serial Dta) (SCL, . Serial Clock). LiquidCrystal_I2. . .
void lcd_display_two_lines(const char* first_line, const char* second_line)
{
g_lcd.clear();
g_lcd.setCursor(0, 0);
g_lcd.print(first_line);
g_lcd.setCursor(0, 1);
g_lcd.print(second_line);
}
RFID —
RFID . RFID- RC-522, HF, MIFARE 13,56 . Arduino SPI. SPI – , . SPI :
- MOSI – ;
- MISO – ;
- SCK – ;
- NSS – ,
RFID- , – .
RFID- MIFARE Classic
MIFARE Classic ( MIFARE DESFIre, , ). MIFARE 1K MIFARE 4K , 16 MIFARE 1K 40 MIfare 4K. MIFARE 1K 32 MIFARE 4K (Sector Trailer). 8 MIFARE 4K 15 (16-) . / .
"" . Sector Trailer ( ) , ( ). Sector Trailer () . MIFARE Classic / .
. 16 , / ( 0 0, -). / . /, ( ). (, ..). , increment/decrement. , , .
. MIFARE Classic . ( ). Access Condition ( Sector Trailer) ( ) . , MIFARE ( ) , MIFARE, . (Sector Trailer) (access bits) C1, C2 3. MIFARE. C1 (LSB).
, RFID-. : – RFID – , – RFID – . RFID – 128 . 128 = 8 16 . 3 1, 3 2 , , 2 3. , – B, trailer . 128 - , . — , , . - , . .
, Arduino. . RFID- , , bluetooth " Windows" . , RFID- . : , . , , RFID-. — .
, , " " — , . , (.. «»), . , «» , .
"" 20 , Arduino. . — ON, — , . :
pinMode(pin_number, INPUT)
pinMode(pin_number, INPUT_PULLUP)
, , bluetooth , Windows , — RFID-. , , , , - . , ID RFID- , , . , RFID-, , Read Only .. . , , , . . , , , . .
. , , RFID- MIFARE 1K. , 6 , 6 .
"" — 5 , , // . Master- bluetooth Slave-, , bluetooth-. - . , , Arduino, USB-.
. , RFID-. RFID-, RFID-. , , , "" . , Ethernet- WiFi-, management-. , ? , , "" -. RFID- ( -, ). , ( ) "" .
Kode firmware
https://bitbucket.org/sashadereh/arduino-smart-socket/src