TM1637 4-digit 7-segment display with ESP32

Supply 3.3-5 V Bus GPIO
CLKDIOGND5V

Pins and ESP32 wiring

PinRoleESP32 pinNotes
CLKInput (the ESP32 drives it)D25Clock (not I2C, not SPI)
DIOInput (the ESP32 drives it)D26Data (not I2C)
GNDGroundGND
5VPower3V3Works at 3.3 V or 5 V

Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.

Sources

Try it in 3D in BoardPilot

BoardPilot Part data (JSON)

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