Drivers in West Sacramento should prepare for another major freeway closure this weekend. Caltrans is planning a 55-hour shutdown that could impact commutes and weekend travel. Caltrans crews will ...

E (xxxx) i2c.master: I2C transaction unexpected NACK detected I²C scanners detect no devices at 0x3C or 0x3D, even though the OLED should use one of these. The OLED module has a 472 resistor (≈4.7kΩ), ...