Renesas’ RL78/L23 16-bit MCUs provide LCD control and capacitive touch for responsive HMIs in smart appliances, electronics, and meters.

Using a USB-C phone with Power Delivery is ideal here, as it allows the phone to be powered while also communicating with the Arduino over USB. The RemoteXY app is built specifically for this purpose.

The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...