Raspberry Pi 11 Model Comparison
Raspberry Pi model specifications for B through 3B+, A, A+ and Zeros.
RPi UART, SPI, I2C Communications
Three important serial, data communications protocols for the Raspberry Pi.
Raspberry Pi 1 vs 2
The Raspberry Pi board has evolved since its inception in 2012. Compare the early boards.
RPi 1 B+ vs RPi 2 B Performance
The performance of the Raspberry Pi 2 is a marked improvement over 1.