The difference from the previous version is that there is an additional slot for the HCSR04 ultrasonic sensor, available an socket power input DC 7 - 9 VDC.

Learn Basic IoT use ESP32 boards is very easy with ESP32 IoT Starter Kit board and following the 110+ tutorial on randomnerdtutorials.com/projects-esp32.

Part List:

1 x PCB ESP32 IoT Starter Kit (PCBWay)

1 x ESP32 DEVKIT V1 board

1 x Micro SD adapter module

1 x OLED I2C 128x64

1 x Humidity and Temperature sensor DHT11/DHT22

1 x Temperature sensor DS18B12

1 x Motion sensor PIR AM312

1 x Environmental sensor BME280/BMP280

1 x 3 axis Acc. and Gyro sensor MPU6050

1 x LDR (Photoresistor)

4 x LED 5mm

1 x RGB LED 5mm common cathode

1 x LED 3mm

1 x Active BUzzer

1 x Ultrasonic HCSR04

2 x Tact Switch 6x6mm

1 x Potentiometer 10K Ohm

1 x Relay 5V DC

1 x NPN Transistor BC547

1 x Diode 1N4148

1 x Socket DC

1 x IC Reg 78M05

8 x Resistor 330 Ohm

4 x Resistor 10K Ohm

1 x Resistor 1K Ohm

2 x Resistor 4,7K Ohm

1 x Capacitor 100uF/16V

1 x Terminal Screw 2 pin 5mm

2 x Female Header 15 pin

2 x Male Header 15 pin

1 x Male Header 7pin, 5pin, 4pin, 3pin & 2pin

1 x Double Male Header 4 pin & 2 pin

10 x Jumper cap