01 HDMI Switching 1. Introduction This four-channel HDMI video switch controller has been used in my laboratory video recording process. It can be controlled via the front panel buttons or through commands sent over the network. To facilitate remote control on the experiment bench, I am preparing to use this wireless WiFi to serial module … Read more
1. Introduction As shown in the figure below, this four-channel HDMI video switch controller has been used during the video recording process in my laboratory. It can be controlled via the front panel buttons or by sending commands over the network. To facilitate remote control on the experimental platform, I plan to use this wireless … Read more
Introduction nRF24.L01 is a new type of single-chip RF transceiver device that operates in the 2.4 GHz to 2.5 GHz ISM band. It has built-in functions such as a frequency synthesizer, power amplifier, crystal oscillator, and modulator, and integrates enhanced ShockBurst technology, allowing the output power and communication channels to be configured via programming. This … Read more
Click the blue text to follow Optimizing ADC sampling accuracy is a key skill in microcontroller development, especially when processing sensor data. An inaccurate ADC sampling result can lead to system failures, such as significant errors in temperature sensors, causing devices to overheat or become too cold. Today, let’s discuss how to improve the accuracy … Read more
Introduction to SPI Interface and Features The standard SPI interface has 4 signal lines. Signal Function Direction SCLK Clock signal line, used for synchronizing communication data master->slave MOSI Master device output master->slave MISO Master device input slave->master CS Slave device select signal line, commonly referred to as chip select signal line, also known as NSS, … Read more
01 【SPI Concept】 SPI (Serial Peripheral Interface) is a synchronous serial port for communication between microcontroller units (MCUs) and peripheral ICs (such as sensors, ADCs, DACs, driver chips, and external storage devices). The communication rate can range from a few thousand bps to hundreds of Mbps or even higher, depending on the specifications and performance … Read more
Click the Blue Text Follow Us 1. Introduction 1. Concept The IIC protocol (I²C, or Inter-Integrated Circuit) is a widely used low-speed serial half-duplex communication protocol for communication between integrated circuits, allowing only unidirectional communication at any one time. It was invented by Philips in the 1980s and is widely used for data transmission between … Read more
▼Click the business card below to follow our public account for more exciting content▼ A microcontroller is a microcomputer system that integrates a processor, memory, and input/output (I/O) interfaces, widely used in embedded systems. An embedded system is a computer system designed for specific tasks, typically embedded in other devices or systems to achieve control, … Read more
Atmel Smart Connect One of the primary challenges in the Internet of Things (IoT) market is system integration — connecting one or more devices to gateways and the cloud. The Atmel Smart Connect Bluetooth solution is an easy-to-use, low-power Bluetooth connectivity solution that supports IoT and seamlessly integrates with the embedded BLE4.1 stack and IPv6 … Read more
Comprehensive Analysis of Chip Debug Interface Protection Mechanisms Author | Liu Zheng Editor | Liu Mengdi 1. Background Introduction Microcontrollers are the backbone of the modern interconnected world, with widespread applications in robotics, medical devices, aerospace, and automotive industries. With the development of the Internet of Things (IoT), microcontrollers have become even more prevalent in … Read more