• Introduction of Pico

• 2.1 Write the firmware
• 2.2 Software configuration
• 2.3 Download a code

• 3.1 Onboard LED light blinking
• 3.2 Onboard temperature sensor
• 3.3 Key control LED
• 3.4 Buzzer
• 3.5 PWM pin

• 4.1 Onboard LED light blinking
• 4.2 Onboard temperature sensor
• 4.3 Key control LED
• 4.4 Buzzer
• 4.5 PWM pin