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STC8G1K08A-SOP8 Expansion Development Board

Overview

The STC8G1K08A-SOP8 expansion development board includes a digital tube display, LEDs, a serial communication interface, an OLED IIC expansion interface, and an IIC communication interface.

Serial communication testing

results are shown below.

The OLED screen IIC communication test

code is attached (including a single-digit digital tube timing display, DHT11 temperature and humidity serial port reading, and LED blinking program)
. =================== October 7, 2024 V2.0 Update =================
1. Optimized the digital tube circuit, added a current-limiting resistor, and changed the common cathode connection from GND to P3.3 for easier control.
2. It is recommended to design the current-limiting resistor in another location or on the bottom layer to facilitate adjusting the resistance value according to the brightness after soldering the digital tube.

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Update:2026-03-25 01:23:09

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