Bagaimana Cara Mengetahui Alamat Pada LCD i2C?
Jika dilihat bentuk i2C memang terlihat sama. Padahal sebenarnya mereka memiliki alamat yang berbeda-beda, nah biasanya masalah datang dikarenakan kamu salah memasukan alamat i2C kamu pada sketch pemrograman.
Untuk itu cara mudahnya adalah dengan Memindai LCD i2C, dan mengetahui berapa alamat i2C kamu yang sebenarnya. Ok, berikut cara mudahnya…
Siapkan terlebih dahulu:
Kemudian silahkan rangkai seperti gambar dibawah ini:
CATATAN:
- Hubungkan pin VCC pada LCD i2C ke pin 5V Arduino
- Hubungkan pin GND pada LCD i2C ke pin GND Arduino
- Hubungkan pin SCL pada LCD i2C ke pin SCL (atau bisa pake pin A5) Arduino
- Hubungkan pin SDA pada LCD i2C ke pin SDA (atau bisa pake pin A4) Arduino
#include <Wire.h>;
void setup(){
Wire.begin();
Serial.begin(9600);
while (!Serial);
Serial.println("\nI2C Scanner");
}
void loop(){
byte error, address;
int nDevices;
Serial.println("Scanning...");
nDevices = 0;
for(address = 1; address < 127; address++ ){
Wire.beginTransmission(address);
error = Wire.endTransmission();
if (error == 0){
Serial.print("ditemukan Perangkat i2C pada alamat 0x");
if (address<16)
Serial.print("0");
Serial.print(address,HEX);
Serial.println(" !");
nDevices++;
}
else if (error==4){
Serial.print("tidak ditemukan alamat 0x");
if (address<16)
Serial.print("0");
Serial.println(address,HEX);
}
}
if (nDevices == 0)
Serial.println("Tidak Ditemukan Alamat i2c\n");
else
Serial.println("selesai\n");
delay(5000);
}
Nah alamatnya adalah 0x3F, punya setiap orang tentu saja akan berbeda-beda bukan. Baik, Selamat mencoba, dan harus berhasil. 😉
Saya adalah seorang pengulik yang tertarik dalam bidang Microcontroller, Internet of Things (IoT), dan Artificial Intelligence (AI). Saya terus belajar dan mengembangkan pengetahuan serta keterampilan saya di dalam ketiga bidang tersebut dengan harapan dapat menciptakan solusi inovatif yang bermanfaat.
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koq ga ada device yg ditemukan
mas kalo alamatnya 0x3f yang 2,1,0,4,5,6,7,3, POSITIVE nya beda apa sama? kok saya ga muncul ya cuma kalo di tekan tombol restart di arduino cuma ngedip gitu
mas kenapa lcd saya hitam2nya cuma muncul setengah, dan saat di scan ngga muncul alamat i2cnya
alamat i2c akan muncul di Serial monitor gan. Agan buka Serial Monitor di Arduino IDEnya. Kalo di LCD gak bakal ada.
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