The UNO R4 WiFi clone has a 32-bit ARM Cortex-M4F processor at 48 MHz Renesas RA4M1. The older R3 had an 8-bit ATmega328 processor. The new R4 is 3-16x faster and offers more...
The module is suitable for IoT applications based on the ESP32-PICO-D4 chip, which is powerful and versatile for low-power sensor networks and demanding tasks such as speech...