Mijia BLE Mesh devices are divided into version 1.0, which is based on the MHCB05P module, and version 2.0, which is based on the MHCB12G module. The main differences are that Mijia BLE Mesh 2.0 supports gateway remote upgrades, consistent scenes, second-level network configuration, ultra-low power consumption, and other capabilities, providing a better experience. However, … Read more
Click the “blue text” above to follow the Industrial Control Coach! A touch screen is short for HMI, which stands for Human-Machine Interface. As the name suggests, it is a tool for interaction between humans and machines. The essence of a touch screen is a virtual instrument, used to replace various operational and monitoring devices … Read more
In automotive electronic diagnostics, secure access (0x27) and communication control (0x28) are two key technologies. The former protects ECU data security, while the latter optimizes communication efficiency. Mastering these is essential for becoming a diagnostic expert! 1. Secure Access (SID 0x27): The ECU’s ‘Password Lock’ Mechanism The ECU stores critical vehicle data (such as program … Read more
Today, I bring you the design of a CAN bus controller based on FPGA. Due to the lengthy content, it is divided into three parts. Today, I present the third part, followed by the next one, which covers the program simulation and testing, as well as a summary. Without further ado, let’s get started. I … Read more