Arduino The UNO R4 has a 32-bit ARM Cortex-M4F 48 MHz Renesas RA4M1 processor. The older R3 had an 8-bit ATmega328 processor. The new R4 is 3-16x faster and offers more memory....
Digital sensor combining temperature measurement between 0-60°C and humidity measurement from 20% to 90% RH. The module has everything it needs so just connect it.