DHT22 TEMPERATURE + HUMIDITY MODULE
BMP280 DIGITAL I2C TEMPERATURE + BAROMETRIC PRESSURE SENSOR
RAIN + SNOW SENSING MODULE
DS3231 REAL TIME CLOCK (RTC) MODULE
GY-NEO6MV2 GPS + PPP MODULE
ADS1115 16BIT I2C ADC PRECISION MODULE
INA2226 CURRENT + POWER MONITORING SENSOR
PHOTOSENSITIVE LIGHT SENSOR MODULE
OV7670 CAMERA MODULE VGA CIF 640X480
LASER SENSOR 650NM MODULE
PIR MOTION SENSOR
ACTIVE + PASSIVE BUZZER
MAGNET LINEAR HALL EFFECT SENSOR
MICRO SD CARD TF MODULE
SIM900A MODULE GSM, GPRS + MODEM
OLED DISPLAY 0.96 INCH I2C MODULE
ST7565 128*64 SPI LCD DISPLAY

ESP32 DEVKIT V4 38PIN