Smbus Websites
I2C Chip I2C & SMBUS, Slave IC's, Host Adaptors, RS232 / USB adaptors 2-wire bus
- i2cchip.com
I2C/SPI Host Adaptors, Chips, and Modules. PC to I2C/SPI 1wire. USB and RS232 Interface
Fan speed control and CPU/GPU/HDD temperature monitoring
- argusmonitor.com
Fan speed control and system health monitoring for your PC.