Hardware Reference
In-Depth Information
RI
RS-232 ring indicator
RISC
Reduced instruction set computer
RH
Relative humidity
ROM
Read-only memory
RPi
Raspberry Pi
RS-232
Recommended standard 232 (serial communications)
RTC
Real-time clock
SBC
Single-board computer
SD
Secure Digital Association memory card
SDIO
SD card input/output interface
SDRAM
Synchronous dynamic random-access memory
SoC
System on a chip
SMPS
Switched-mode power supply
SPI
Serial Peripheral Interface (bus)
Stick parity
Mark or space parity, where the bit is constant
TWI
Two-wire interface
UART
Universal asynchronous receiver/transmitter
USB
Universal Serial Bus
V3D
Video for 3D
