Raspberry Pi
by Trung Phan Thái
1. Battery
2. HDMI Screen
3. MUX RXTX
3.1. Thermal Printer
3.2. 2D QR
3.3. Arduino
3.3.1. ADC
3.3.1.1. Pressure Sensor
3.3.2. ADC
3.3.2.1. OPA335
3.3.2.1.1. Alcohol Sensor
3.3.3. Motor driver
3.3.3.1. Pump