I was quarantined during the epidemic and had nothing to do, so I tested MODBUS on L233 today.The serial port status flag management of L233 is slightly different from that of other series. For exampl...
Introduction to ARM SWD Protocol
SWD stands for Serial Wire Debug, which is a simple debugging interface launched by ARM for embedded devices. This interface uses a bidirectional data line and a clock...
First of all, I would like to thank @dcexpert for donating the development board. Here is a brief introduction of the board:pybL series development board, ultra-low power consumption, supports micropy...
It is inevitable to encounter some problems in the learning process. I hope that by writing these problems down, on the one hand, I hope that the masters can give me some advice; I also hope that this...
You can use IDF to connect to Wi-Fi or provide Wi-Fi services as an AP. Although the service capabilities of ESP32-C3 are limited, you can use this method to allow clients to connect to the device and...
As a new type of display material, LED dot matrix has developed rapidly in recent years and has a good market prospect. Among them, LED large-screen display screens are widely used in industries, tra...[Details]
Classic CPU reset circuit
Working principle: 1. The purpose of diode D501 If there is no D501, when the power is turned on immediately after power failure, the charge on the capacitor cannot be ...[Details]
Electric vehicles have enjoyed quite a boom since their rise in recent years. The first batch of electric vehicles are already facing the problem of battery obsolescence. However, it is really puzzli...[Details]
Block transfer instructions are used to load (LDM) or store (STM) any subset of the currently valid registers. They support all possible stack modes, maintain an empty or full stack, and this stack c...[Details]
Because ARM instructions are three-stage pipelines, which means that instruction fetching, translation, and execution are executed simultaneously. Let's put it this way. Now PC points to the address ...[Details]
It is reported that currently in the general LED lighting market, there are non-isolated designs and isolated driver power supplies. Non-isolated designs are limited to double-insulated products, suc...[Details]
With the continuous development of China's national economy and water supply, the water supply volume and water supply area of water supply enterprises are growing continuously. The water consumptio...[Details]
How to select a battery charge and discharge tester? The battery charge and discharge tester is a special instrument for charging, discharging and capacity testing of battery packs. How to choose...[Details]
On April 23, Zhongying Electronics released its first quarter report for 2020, stating that during the reporting period, the company achieved sales revenue of 201.66 million yuan, a year-on-year incr...[Details]
The characteristics and great advantages of modular design have been introduced above. In our experimental board, the microcontroller is the most core module; and the microcontroller is composed of mo...[Details]
Microchip Technology's new WFI32E01 Wi-Fi® MCU module includes a general-purpose, low-cost 32-bit microcontroller with Wi-Fi and network connectivity, a hardware-based security accelerator, a transce...[Details]
Hua Hong Semiconductor officially announced that its third-generation 90nm embedded flash memory (90nm eFlash) process platform has successfully achieved mass production. According to reports, the ...[Details]
1. Application of fixed low voltage drop integrated regulator
Typical products of fixed low-dropout integrated voltage regulators include the LM2930, LM2937, LM2940C, and LM2990 series produced by ...[Details]
Mitsubishi PLC FX2N-2AD is a programmable logic controller with analog input function, which can receive analog signals and convert them into digital signals for further processing and control. In ...[Details]
GD32 MCU
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