Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared…

These animated diagrams of signal waveforms in electronic systems help us understand the mechanism of transmission.

1

SPI Transmission

Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1 SPI Data Transmission
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.2 SPI Data Transmission (2)
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.3 SPI Timing Signal

2

I²C Transmission

Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.2.1 I2C Bus and Addressing Method

3

UART Transmission

Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.3.1 Debugging MCU via UART on PC
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.3.2 RS-232 Communication with MCU via Level Converter Chip

4

Infrared Control

Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.4.1 Infrared Control Signal is Also a Serial Communication Signal
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.4.2 Infrared Signal Reception and Amplification Shaping Circuit
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.4.3 A Circuit for Controlling a Relay to Feed Fish Using an Infrared Receiver

5

Serial to Parallel Conversion Circuit

Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.5.1 Serial In, Parallel Out Shift Register
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.5.2 Shift Register Made of Eight D Registers
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.5.4 Serial Transmission Diagram

6

Other Waveform Animations

Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.6.1 PWM Control of LED Brightness
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.6.2 PWM Control of LED Brightness
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.6.3 Amplitude and Frequency Modulated Signals
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.6.4 Phase Modulation Signal
Animated Explanation of Common Embedded Communication Protocols: SPI, I²C, UART, Infrared...
▲ Figure 1.6.5 Square Wave Edge Jitter Waveform
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