20×4 LED Display with I2C protocol
BMP180 / GY-68 Barometric Pressure Sensor
Sensors
- Temperature Sensors: LM35, DHT11, DHT22, DS18B20
- Humidity Sensors: DHT11, DHT22
- Pressure Sensors: BMP180, BMP280, BME280
- Light Sensors: LDR, TSL2561, BH1750
- Motion & Proximity Sensors: PIR motion sensor, HC-SR501, IR sensors
- Ultrasonic Distance Sensors: HC-SR04, JSN-SR04T
- Gas & Air Quality Sensors: MQ-2, MQ-3, MQ-7, CCS811
- Magnetic Sensors: Hall effect sensor, reed switch
- Accelerometers & Gyroscopes: MPU6050, ADXL345, GY-521
- Compass & Magnetometers: HMC5883L, QMC5883L
- Touch & Capacitive Sensors: TTP223, MPR121
- Vibration Sensors: SW-420, piezo vibration sensor
- Sound Sensors: Microphone modules, KY-037
- Soil Moisture Sensors: Capacitive and resistive types
- Rain & Water Sensors: Rain drop sensor, water level sensor
- UV Sensors: UV photodiode, VEML6075
- Flame Sensors: IR flame detector modules
Actuators & Output Devices
- LEDs, RGB LEDs, NeoPixel / WS2812
- LCD Displays: 16×2, 20×4, I2C LCD
- OLED Displays: SSD1306, SH1106
- TFT Displays: 1.8″, 2.4″, 3.5″ TFT
- Buzzer / Piezo Speakers
- Servo Motors: SG90, MG90S
- DC Motors
- Stepper Motors: NEMA 17, NEMA 23
- Relays: 5V, 12V, solid-state relays
- Motor Drivers: L298N, L293D, DRV8825, A4988
- Solenoids
Communication Modules
- WiFi Modules: ESP8266, ESP32, ESP-01
- Bluetooth Modules: HC-05, HC-06, BLE modules
- RF Modules: nRF24L01, 433MHz RF, LoRa
- GSM / GPRS Modules: SIM800, SIM900
- GPS Modules: NEO-6M, NEO-M8N
- Ethernet Modules: W5100, W5500
- CAN Bus Modules: MCP2515
Storage & Memory
Power & Sensor Interfaces
- Voltage & Current Sensors: ACS712, INA219
- Real-Time Clock (RTC) Modules: DS1307, DS3231
- Power Management Modules: Li-ion chargers, buck/boost converters
Other Components
- Push Buttons, Switches, Keypads (Matrix, 4×4)
- Potentiometers
- Rotary Encoders
- Joysticks
- Shift Registers: 74HC595
- Multiplexers: CD74HC4067
- Breadboards, jumpers, resistors, capacitors
- Shields: Motor shields, sensor shields, prototyping shields
