CO2-Ampel / CO2-Traffic-Light to measure and show the carbon dioxide concentration in a room, based on Sensirion SCD30/SCD4x sensor and Microchip SAMD21 microcontroller
I noticed that there is an unpopulated component, J2, next to the Qwiic connector J4 on the v1.1 board. Is there any information about what was supposed to be there?
I noticed that there is an unpopulated component, J2, next to the Qwiic connector J4 on the v1.1 board. Is there any information about what was supposed to be there?