We are going to build an air quality meter with sound and LED feedback.
You will make your programs in an online IDE.
In your PC, open the SenseBox Blockly site! Select "SenseBox MCU" option in the popup window.
Turn on the LED!
2. Make the LED blinking!
Our recommendation to connections:
Digital/A - LED
Digital/C - Buzzer
I2C/Wire: CO2 sensor and display