Oscilloscopes were once commonly called CROs, for the fact that they relied on cathode ray tubes for display. Since then, technology has moved quickly, and oscilloscopes these days almost entirely … ...

(Source: Arduino) The UNO R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth Low Energy connectivity. The bright 12×8 red LED matrix is ideal for creative projects using ...

Here's the new description with all links and additional text removed: Making a good lighting system for your rc projects is ...

The device reads video and audio from an SD card, and displays the video using a precisely-timed RGB LED visible through a perforated spinning disk.