Comprehensive Guide to Arduino Wire Library for I2C Communication

Comprehensive Guide to Arduino Wire Library for I2C Communication

In the creative world of Arduino, when we desire to enable our small development board to collaborate seamlessly with various external devices, achieving more complex and powerful functions, the Wire library emerges like a hidden master, quietly facilitating our connection with I2C devices. Today, let us unveil the mystery of the Wire library and explore … Read more

Unlock Multiple Configurations for Beaglebone Black Cape

Unlock Multiple Configurations for Beaglebone Black Cape

1. Introduction If you bought the BBB for hardware-related projects, you will likely need to create a cape. The term cape is the official name from BBB, referring to the software and hardware peripherals of the BBB. By learning about the device tree, we understand that BBB uses capemgr and device tree to control the … Read more

Detailed Explanation of SPI

Detailed Explanation of SPI

1. Introduction to SPI SPI, short for Serial Peripheral Interface, is a serial communication interface defined by Motorola for its MC68HCXX series processors. The SPI interface is mainly used between EEPROM, FLASH, real-time clocks, AD converters, as well as digital signal processors and digital signal decoders. SPI is a high-speed, full-duplex, synchronous communication bus that … Read more

Understanding the Differences Between FLASH and EEPROM in Embedded Development

Understanding the Differences Between FLASH and EEPROM in Embedded Development

I'm Lao Wen, an embedded engineer who loves learning. Follow me to become even better together! Memory is divided into two main categories: RAM and ROM, and this article primarily discusses ROM. Initially, ROM could not be programmed; it retained whatever content it was manufactured with, making it inflexible. Later, PROM was introduced, which could … Read more

Common Operations for EEPROM Driver Code in Embedded Development

Common Operations for EEPROM Driver Code in Embedded Development

Follow+Star Public Number, Don’t Miss Wonderful Content Author | strongerHuang WeChat Public Account | strongerHuang I believe many readers have used EEPROMs like AT24C0x that utilize I²C for reading and writing. Improper usage in projects can easily lead to data loss or anomalies. Today, I will discuss the content regarding EEPROM. 1Basic Principles of I²C … Read more

The Journey of MCU Chip Encryption

The Journey of MCU Chip Encryption

Since the birth of MCUs in the 1970s, the technology for breaking chips and the solutions to prevent chip cracking have been in a constant chase of “the higher the road, the higher the magic,” with each side trying to outdo the other. This article shares the development history of microcontrollers in terms of security … Read more