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Hello, Arduino UNO R4 Wi-Fi!

This video takes a quick(?) look at the newer features of the Arduino UNO R4 Wi-Fi board. Quick naturally is one way to describe the video since there is very little depth in the standard example sketches used in the presentation. Arduino used these sketches during product launch last year. Some token modifications were made to some sketches by yours truly to supersede Serial Monitor output with nominal LED Matrix display. The most significant change is the Micro-controller Unit, MCU, on the board. It is the Renesas RA4M1 32-bit microcontroller based on the Arm Cortex-M4 architecture. For those who wish to further their careers in MCU applications should evaluate applications using the Flexible Software Package (FSP) although more experienced professionals may be wary of software bloat. This MCU provides intrinsic support for capacitive touch channels and segment LCD control. The UNO R4 has an ESP32-S3 module for Wi-Fi and Bluetooth connectivity. Using Bluetooth to connect to an OBD-II connector may spark more interest in CAN Bus experiments. Naturally, there will always be more questions than answers for some of the design decisions: • Real-Time Clock – flawed design • Qwiic instead of Grove Seeed (for I2C), presumably because Grove HAT was already available But the LED Matrix Editor (separate product) is especially nice for rapid development and evaluation exercises. Two external publications that may be of interest to viewers are: • BME680 – Application Note, https://www.bosch-sensortec.com/media... • Introduction to the Controller Area Network (CAN), https://www.ti.com/lit/an/sloa101b/sl...