In this web content, the author shares their experience designing their own IoT gadget platform. They discuss their discovery of a giant seven-segment display that they purchased from a surplus shop at a low price. The author then goes into detail about the components and wiring of the display, including their experiments with voltage and current. They also describe their process of prototyping and creating a circuit to control each segment of the display. The author concludes by discussing their integration of the display into their IoT platform project and encountering some issues with the driver. They express frustration with the ESP32 and consider switching to a different Wi-Fi controller module. Overall, this content provides a detailed account of the author’s exploration and experimentation with the giant seven-segment display.
https://hardfault.life/p/big-seven-segment