Raspberry Pi Hat Module

#ref_link: https://github.com/01studio-lab/RaspberryPi_Examples
#maker: 01studio
/*
ini adalah Pi HAT dari 01Studio yang fokus pada programming Python,
dengan meng-explore feature dari GPIO Raspberry sbb:
-LED(red, yellow, green)
-Button(KEY1,KEY2)
-Active buzzer(ow level drive)
-Servo interface(4-way servo interface 20-23 pinout)
-OLED interface(4P/0.96“/I2C/OLED display)
-Temperature sensor(DS18B20)
-Temperature and humidity sensor(DHT11)
-Potentiometer(ADC IN,CH0 channel)
-Voltage measurement(ADC IN, CH2 and CH3 channels)
-Sensor Analog(3P interface ADC IN, CH1 channel)
-Sensor Digital(3P interface，Digital input / output)
-Serial(4P interface，used for external UART device)
-I2C1 (4P interface，used for external I2C devices)
*/