This article based on this page. Lcd chip: based on PCF8558 I created my own CPU FAN controller for my PC because my cooler was generate a lot of noisy.I used this LCD to print out the temperature data and PWM duty in %. The LCD use standard I2C interface for communicating with other stuffs.You can find the pinouts on the linked site. You can find more details on my GITHUB: https://github.com/zoon81/tinnyI2C Here is some pic:
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