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Raspberry Pi 4 Pwm Controlled Fan Hat Speed Via I2c Bus Pca9685 Driver Temperature Monitor - Demo Board - AliExpress
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TXS0108E 8 Channel Logic Level Converter 3.3V 5V Bi-Directional High Speed Shifter for Arduino Raspberry Pi IIC I2C SPI (Pack of 4) | Walmart Canada
![i2c default clock speed for Pi Pico (RP2040) is 90.9kHz (and 400kHz is around 265kHz) · Issue #4466 · adafruit/circuitpython · GitHub i2c default clock speed for Pi Pico (RP2040) is 90.9kHz (and 400kHz is around 265kHz) · Issue #4466 · adafruit/circuitpython · GitHub](https://user-images.githubusercontent.com/6851309/112141876-ce433680-8bcd-11eb-90a6-84d8176351fe.png)
i2c default clock speed for Pi Pico (RP2040) is 90.9kHz (and 400kHz is around 265kHz) · Issue #4466 · adafruit/circuitpython · GitHub
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