The ESP32 boasting 2 cores with 240 Mhz (which is a beast in the microcontroller area) is still not fast enough. With a 64x64 LED panel an ESP32 reaches 50 FPS (20ms between frames), which drops to 32 FPS (32ms) with a 128x64 panel. This is more than enough for graphics though, but not for high FPS video, like I hoped. Dec 20, 2019 · ESP32 will read the button state, and if the button is in the LOW state (pulled high), i.e., a button has been pressed, it sends the event and turns on the buzzer for 3 seconds. Jul 10, 2020 · Arduino IDE with ESP32 programming environment. A micro-USB cable; Schematic. The schematic diagram for ESP32 7 Segment Display is given below- The ESP32 is connected with the 74HC595. The data pin of the shift register is connected with the PIN14, the Clock pin is connected with the PIN12, and the Latch or strobe pin is connected with the PIN4.