After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

Download all the source files and open examples/ * / *.ino in arduino IDE. Compile and download and run it on a arduino board. The SGP30 uses a dynamic baseline compensation algorithm and on-chip ...

Abstract: A 900-MHz transceiver chipset for two-way paging applications has been introduced. The chipset includes a bipolar RF front-end and a CMOS baseband chip. All of the channel selection filters ...