√USB to 9-pin serial cable Product features: easy installation, no external power supply, and physical drive required | √Applicable scope: This product can easily realize the conversion between the USB interface of the computer and the universal serial port, providing a fast channel for the computer without a serial port, and using this product is equivalent to turning the traditional serial port device into a plug-and-play USB device. | √ Supports various models of MCU, MCU STC download, LED screen control card, MODEM, and ISDN terminal adapter communication is suitable for computers or notebooks with USB ports. | √Application platform: Support USB1.0/1.1 specification, compatible with USB2.0 specification, support full-speed transfer mode 12MBPS, support Win98, 98SE, Me, 2000, XP, Mac OS8.6, vista, win7-32, 64-bit. | √Installation Instructions: 1. Run the driver CH340.EXE file to install 2. Connect the USB serial cable to the USB interface of the computer, and automatically install the driver 3. After the installation is successful, the COM port appears in the device manager

This is a newly designed product, which uses the PL2303TA chip. PL2303TA provides a convenient solution for connecting a full-duplex asynchronous serial device like RS232 to any universal serial bus (USB) host | PL2303TA can simulate in most operating systems, allowing existing applications based on COM ports to be easily ported and USB connected, without the need to rewrite COM port software to apply traditional COM ports | By taking advantage of USB batch transmission mode, large data buffer, and automatic flow control, PL2303TA can achieve higher throughput compared with traditional UART without a real RS232 signal, and the transmission rate is higher than 115200, which can be used for even higher performance | The flexible baud rate generator of PL2303TA can be programmed to generate any rate between 75 bps and 6 million bps | The PL2303TA is designed for mobile and embedded solutions. It provides a compact and can easily adapt to any connector and handheld device. With very low power consumption in the operation or suspension mode, the PL2303TA is the perfect power supply for the connected device bus

High-performance USB to TTL module with original CH340G chip, ensuring compatibility and reliable data transmission. Never worry about incompatible drivers or different computers again | Convenient indication lights for power, TXD, and RXD, allowing you to easily monitor the module's operation without additional tools. Stay informed about the status of your product at a glance | CH340 Module, USB to TTL, USB to RS232, STC downloader | Compact module size of 55mm * 16mm and PCB size of 33mm * 16mm, allowing for easy integration into your projects without taking up excessive space | Wide compatibility with various operating systems including Windows 98/ME/2000/XP/Server 2003/VISTA/Server 2008/Win7/Win8/win10 32-bit/64-bit. Compatible with most devices and software environments.

HLK-LD1125H-24G is the high sensitivity 24GHz millimeter wave human presence detection radar module | compared with the traditional radar, with a certain range of presence detection, higher accuracy, not easy to miss | Different from the traditional radar by detecting the human body movement of large movements or small amplitude of body movements to determine the existence of the human body, the main feature of this module is based on the function of the traditional human body sensing radar, and at the same time has the function of detecting the accumulation of human breathing and other small amplitude movement, to determine the existence of the human body | The module can penetrate the non-metallic shell without opening. Common materials include plastic, glass, wood, ceramics, etc. | Frequency: 23.5G-24.5GHz; Modulation method: FMCW; Detection distance: 4m for sitting and 8m for movement; Scope: Hanging height of 3m, coverage radius of static human body detection>2m; Power supply: 3.3-5V; Current: 80mA; Output serial port level: 3.3V; Detection cycle: adaptive; Antenna half power angle: ± 22 ° (horizontal/vertical); Data format: serial port ASCIl output/high and low levels

LD2410B is a high sensitivity 24GHz human presence state sensing module developed by Hailingke Electronics | The module uses FMCW FM continuous wave to realize high sensitivity human presence state sensing, can identify the human body in motion and static state, and can calculate the distance of the target | It has good environmental adaptability, and the sensing effect is not affected by the ambient environment such as temperature, brightness, humidity and light fluctuation | This product is mainly used in indoor scenes to detect whether there is a moving or twitching human body in the area, and output the detection results in real time. The longest induction distance is up to 5 meters, and the range resolution is 0.75m. | It supports GPIO and UART output, plug and play, and can be flexibly applied to different intelligent scenarios and terminal products

LD2410B is a highly sensitive 24GHz human presence state sensing module | Its working principle is to use FMCW FM continuous wave to detect the human body target in the set space, combine with radar signal processing and accurate human body sensing algorithm to achieve high sensitivity human body presence state sensing, recognize the human body in motion and static state, and calculate the distance of the target and other auxiliary information | This product is mainly used in indoor scenes, sensing whether there is a moving or inching human body in the area, and outputting the detection results in real time. The maximum sensing distance can reach 5 meters, and the distance resolution is 0.75 m | Provide visual configuration tools, which can easily configure the sensing distance range, sensing sensitivity and unmanned delay time in different sections to meet different specific application requirements | It supports GPIO and UART output, plug and play, and can be flexibly applied to different intelligent scenarios and terminal products

Experience ultra-low power consumption with the HLK-LD2410S mmwave presence sensor, featuring advanced radar technology for precise human presence detection | Detect human movement up to 8m away with the HLK-LD2410S radar sensor, equipped with intelligent algorithms for accurate mmwave sensing capabilities | Enjoy seamless integration with GPIO and UART interfaces in the HLK-LD2410S millimeter wave presence sensor, ideal for various smart scenarios and devices | Stay informed with real-time human presence updates from the HLK-LD2410S wave sensing detector, offering adjustable detection ranges and reporting frequencies | Enhance your indoor environment monitoring with the HLK-LD2410S presence sensor radar, providing reliable detection of both static and moving human targets

LD2410C is a high sensitivity 24GHz human presence state sensing module. Its working principle is to use FMCW FM continuous wave to detect human targets in the set space | The module combines radar signal processing and accurate human body sensing algorithm to realize high sensitivity human body presence state sensing, and can calculate the target distance and other auxiliary information | In addition to being sensitive to the moving human body, this product can be sensitive to the static, inching, and sitting and lying human body that cannot be recognized by the traditional scheme | The product can output the detection results in real time and quickly, with the maximum sensing distance of 5 meters and the distance resolution of 0.75 m | Support GPIO and UART output, plug and play, flexible application to different intelligent scenarios and terminal products

LD2412 Human Presence Sensor Module utilizes mmwave radar technology to accurately detect human body presence in indoor settings | Wide-angle 75° detection range with a maximum sensing distance of 9m and adjustable sensitivity, providing real-time monitoring of movement | Easy-to-use visual configuration tool allows customization of sensing range, sensitivity, and delay time to suit various application needs | Versatile integration with GPIO and UART interfaces for seamless plug-and-play compatibility with a wide range of smart devices and systems | Compact and efficient design with low power consumption, making it ideal for smart home automation and security applications

HLK-LD2420 is a high-performance 24 GHz one transmitter, one receiver radar module | Its human body sensing algorithm adopts millimeter wave radar distance measurement technology and advanced proprietary signal processing technology of the S3 series chip, achieving precise perception of motion, micro motion, and standing human bodies. | HLK-LD2420 is mainly used to perceive whether there is movement or micro movement of the human body in the indoor scene perception area, and to refresh the detection results in real-time. | It has a maximum sensing distance of 8m for the moving human body, and can easily configure the sensing distance range, sensing sensitivity in different intervals, and refresh time | Supports GPIO and UART interfaces, plug and play, and flexibly applies to different intelligent scenarios and terminal products.

Embedded version Mega2560 CH340G ATmega2560, compatible with Mega 2560 motherboard. Construction based on ATmega2560 microcontroller and USB-UART interface chip CH340G | The printed circuit board has a compact size of 38x55mm. This is a good solution to get your final project on the welded prototype board | It is an embedded motherboard, but it is also stable and uses the original chip ATmega2560 (16 MHz) | The board uses the chip CH340G as the converter UART-USB. Provides stable data exchange results when you work at a frequency of 12Mhz (requires drivers to be installed on your computer) | Mega PRO (Embedded) 2560 CH340G / ATmega2560 - Connect to your computer via a micro USB cable

High Precision Human Movement Detection: Utilizing Rd-03E 24G Human Movement Precise Ranging Module, this radar sensing module offers accurate indoor and outdoor human movement and gesture recognition, with a detection range of up to 6m for motion and 3.5m for micro-movement. | Advanced Radar Technology: With a narrow antenna beam, high resolution, and strong anti-interference capabilities, this radar module supports 24GHz ISM frequency band, providing precise ranging and gesture recognition detection within a wide range of angles | Easy Installation and Configuration: Featuring DIP packaging and standard 2.54mm pin spacing, this radar module supports visual tools for distance configuration and sensitivity settings, enabling quick and convenient setup for various applications such as smart home appliances, commercial devices, security systems, and smart lighting | Intelligent User Interface: This radar module supports UART for smart parameter adjustments via serial communication, allowing for seamless integration and customization. The module also automatically loads default configurations for plug-and-play functionality, ensuring easy and efficient operation | Reliable Performance and Power Supply: With high accuracy ranging from 30cm to 600cm, as well as a single 5V power supply, this radar sensing module offers dependable performance for various applications, making it ideal for smart home, commercial, security, and lighting scenarios

Experience unrivaled performance with the STM32H723ZGT6 core board, featuring a blazing 550MHz main frequency for seamless operation | Harness the power of 1MB Flash and 564K SRAM on the STM32H723 development board, ensuring ample storage and memory for your projects | Seamlessly expand your capabilities with the external W25Q64, boasting 8M bytes of capacity on the STM32H723 core board system learning board | Effortlessly navigate through tasks with the convenient Type C interface, SPI LCD, and 108 IO ports on the STM32H723 core board | Elevate your development experience with the STM32H723 core board, equipped with a screen interface and camera port for enhanced functionality

Advanced ZW101 Fingerprint Recognition Module with low-power finger detection technology for high accuracy in fingerprint scanning and identification | Features a capacitive semiconductor fingerprint sensor with a protective coating, RGB LED lights, and UART interface for reliable fingerprint reading | Securely store up to 50 fingerprint features with ESD protection exceeding 15KV, ensuring top-notch security for applications like fingerprint door locks and safes | Lightning-fast response time with feature extraction in under 0.06 seconds and a false acceptance rate (FAR) below 1/1000000 for seamless identity verification | Perfect for a wide range of industries including finance, security, and management, offering a versatile solution for access control systems, POS terminals, and time attendance machines

Cutting-edge semiconductor technology powers this ZW111 Fingerprint Scanner, ensuring reliable fingerprint identification for intelligent lock systems | With a low-power consumption of 40ma and advanced capacitive sensor technology, this Fingerprint Recognition Module offers fast and accurate finger detection | The UART interface and ESD protection of >15KV make this Fingerprint Identification Module ideal for secure applications like fingerprint door locks and safes | Store up to 40 fingerprint features with a FAR of <1/1000000 and FRR of <3%, providing top-notch security for access control systems | Experience lightning-fast response times with feature extraction in <0.06s and single-match time, making this Fingerprint Reader perfect for financial and identity authentication systems