Supported boards & components

• Arduino Uno

  ATmega328P microcontroller board

  Microcontroller

• ESP32

  ESP32 dual-core microcontroller with WiFi & Bluetooth

  Microcontroller

• NodeMCU V3 (ESP8266)

  ESP8266 NodeMCU V3 development board with WiFi

  Microcontroller

• 4×4 Keypad

  Membrane 4×4 matrix keypad (keys 0–9, A–D, *, #)

  Input

• DHT11 Sensor

  Digital temperature & humidity sensor

  Input

• DHT22 Sensor

  AM2302 digital temperature & humidity sensor

  Input

• Flame Sensor

  IR-based flame detection sensor module

  Input

• IR Sensor

  Infrared proximity/obstacle sensor

  Input

• Joystick Module

  Dual-axis analog joystick with push button

  Input

• Kartu RFID

  RFID card/tag used to test MFRC522 — click to tap onto a reader

  Input

• LM35 Sensor

  LM35 precision analog temperature sensor (10mV/°C)

  Input

• MQ-2 Gas Sensor

  MQ-2 combustible gas / LPG sensor with analog & digital output

  Input

• Photoresistor

  Light-dependent resistor (LDR)

  Input

• PIR Sensor

  HC-SR501 passive infrared motion sensor

  Input

• Potentiometer

  Variable resistor (0-1023)

  Input

• Push Button

  Momentary push button switch

  Input

• RFID MFRC522

  MFRC522 RFID reader module (SPI, 13.56MHz)

  Input

• Slide Switch

  SPDT Slide Switch

  Input

• Soil Moisture Sensor

  Capacitive soil moisture sensor with analog & digital output

  Input

• Tag RFID

  RFID key fob/tag used to test MFRC522 — click to tap onto a reader

  Input

• Temperature Sensor

  TMP36 analog temperature sensor

  Input

• Ultrasonic Sensor

  HC-SR04 distance sensor

  Input

• 7-Segment Display

  Numeric LED display (Common Cathode)

  Output

• 74HC595

  8-bit serial-to-parallel shift register

  Output

• Buzzer

  Piezo buzzer for sound output

  Output

• DC Motor

  Standard brushed DC motor

  Output

• LCD 16x2 I2C

  16x2 character LCD with I2C (PCF8574) backpack

  Output

• LCD Display

  16x2 character LCD display

  Output

• LED

  Light Emitting Diode

  Output

• NeoPixel Strip

  WS2812B 8-pixel addressable RGB LED strip

  Output

• NPN Transistor

  NPN BJT switch (2N2222 / BC547)

  Output

• OLED Display

  SSD1306 128x64 I2C OLED display

  Output

• Pintu / Barrier

  Mechanical door/barrier driven by a linked servo (0 = closed, 100 = open)

  Output

• Relay

  5V SPDT electromagnetic relay

  Output

• RGB LED

  Color variable LED

  Output

• Servo Motor

  Positional servo motor (0-180°)

  Output

• Stepper Motor

  28BYJ-48 stepper motor with ULN2003 driver

  Output

• Breadboard (Half)

  30-column breadboard for prototyping

  Passive

• Capacitor

  Electrolytic or ceramic capacitor

  Passive

• Resistor

  Current limiting resistor

  Passive

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