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.

Now let's see the detailed wiring connection used in the RFID attendance tracker system, starting from the Arduino UNO. Digital Pin 11 MFRC522 MOSI SPI Data Out SPI communication Digital Pin 12 ...

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 ...

An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...

UNO Minda Ltd. key Products/Revenue Segments include Electronic Components, Sale of services, Other Operating Revenue, Scrap, Royalty Income for the year ending 31-Mar-2024.For the quarter ended 31-03 ...