The SPI interface was developed by Motorola in the mid-1980s.
But since it is a de-facto standard based on facts, there are no officially defined and adopted standards for it. For instance, SPI communication has four transmission modes that can be freely chosen by users according to the current situation.
SPI should only be used for short-distance data transfer, primarily in inter-chip communication.
It doesn't support plug-and-play(dynamic addition of nodes). And generally, there can only be one single controller.
Multiple devices can co-exist by chip selection, but that also means more complex connections.
DIY A Simple Three-axis Accelerometer Data Logger ► community.dfrobot.com/makelog...
Materials:
FireBeetle 2 ESP32-E IoT Microcontroller (Supports Wi-Fi & Bluetooth) x1 ►
www.dfrobot.com/product-2195....
Fermion: Monochrome 0.96" 128x64 I2C/SPI OLED Display (Breakout) x1 ►
www.dfrobot.com/product-2017....
Fermion: MicroSD Card Module for Arduino (Breakout) x1 ►
www.dfrobot.com/product-875.h...
Fermion: ICG 20660L Accel+Gyro 6-Axis IMU Module (Breakout) x1 ►
www.dfrobot.com/product-2433....
SD/MicroSD Memory Card (16GB Class10 SDHC with Adapter) x1 ►
www.dfrobot.com/product-1191....
3.7V Polymer Lithium Ion Battery - 1000mAh x1
3D Housing x1
Switch x1
GitHub:
github.com/DFRobot/ThreeAxisA...
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By the way, there is another method for data transmission, parallel communication.
Different from the serial, data bits are simultaneously transmitted through multiple communication links in parallel communication.
Timestamps:
What is SPI Protocol? 00:00
SPI is a full-duplex synchronous serial communication protocol. 01:05
Typically, all SPI devices require at least 4 wires. 01:41
How does communication in SPI work? 02:05
How to use SPI: The Motion Recorder 03:16
Outro. 05:13
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