The Best Rs232 4 Pin of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Rs232 4 Pin of 2022. Check our ranking below.
2,090 Reviews Scanned
- DB9 connector is used to connect the interface with serial port network function and support serial port data and transparent transmission. Compatible with the connection of standard DB9 serial port equipment such as notebook desktop computer, digital machine tool, PDA, bar code machine and instrument, with stable signal transmission and reliable performance
- The DB9 serial connector adopts gold joints plating, fine solder joints, resistance to plug, and good contact to ensure high-quality, durability and a long life.effectively reduces the attenuation value, and the signal transmission is more efficient and stable
- DB9 RS232 serial port highly compatible with a variety of computer systems, such as Windows XP, Windows Vista, Win, Win 8 and win 10, compatible with Mac OS or later, Linux 2.4.0 and later
- DB9 9-Pin serial port network converter the use of full copper core, aluminum foil shielding and braided network shielding can effectively prevent the interference of external signals and make the data transmission more safe and stable
- DB9 adapter adopts environment-friendly insulated terminal block, which does not need to be welded. It can be tightened with a screwdriver, and the wiring is firm and reliable. The pin is made of copper sheet, with large transmission resistance and can withstand about 3A current
- 1. Compatible with various USB Bluetooth adapters, operates in slave mode: Pair with Bluetooth dongle for seamless connectivity.
- 2. LED indicator for Bluetooth connection status: Flashing for connectivity, steady light for active connection, and open port on backplane.
- 3. Core module equipped with HC-06, featuring VCC, GND, TXD, RXD, and LED status output pins. Microcontroller connectivity can be determined by foot state and slave KEY pin.
- 4. Compact design, low power consumption, and high sensitivity for both sending and receiving data. Technical specifications include Bluetooth version V2.0+EDR, operating voltage 3.3V, UART host interface, storage temperature range -40℃ to +150℃, signal coverage up to 30ft, item size 4.3 * 1.6 * 0.7cm, and item weight 3g.
- 5. Ideal for short-range wireless data transmission applications, such as Bluetooth wireless data transmission, industrial remote control, telemetry, traffic, underground positioning, alarm systems, and smart home projects. Drop-in replacement for wired serial connections, offering transparent usage for establishing connections between MCUs, GPS, PCs, and various embedded projects.
- This RS232 to RS485 converter converts single-ended RS-232 signals into balanced RS-485 signals and extend the communication distance to 1.2KM, facilitating communication between computers, external devices, and intelligent instruments with different serial port standards.
- The RS232 to RS485 serial data converter has a communication rate of 300-115200 BPS, which can be applied to the communication between the master computer, the master computer and the external device, and can form a point-to-point, point-to-multipoint communication network.
- Compatible with EIA/TIA RS-232C, RS-485, standards, providing flexibility in a variety of applications.
- Compact and lightweight design, easy to carry, easy to use in any environment. Connect the 4 terminals on the board separately: D+/A to the positive pole, D-/B to the negative pole, +5V~12V to the external power supply, GND is grounded.
- RS232 to RS485 adapter is widely used in industrial automation,door safe ,all-in-one-card,car parking ,ATM,bus charge,eatery sell out ,staff attendance management,and highway toll gate etc.
- Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane
- Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid.
- Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g.
- The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect.
- Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices.
- 【Designed for SICK Safety Controllers】: This USB to M8 4-Pin Male to Male Connector Cable is the ideal partner for SICK Safety Controllers to ensure accurate RS232 serial communication and optimize the performance and safety of industrial automation systems.
- 【Plug and Play RS232 Communication】: Seamlessly integrated RS232 interface for stable serial data transmission, no need for complicated setup, easy to connect PC and SICK-controller, improve work efficiency.
- 【2Meter Ideal Length】: The carefully crafted 2-meter cable length meets the space requirements of most industrial application scenarios while keeping the wiring neat and flexible for remote control and monitoring.
- 【Rugged Construction】: Using high-quality materials and reinforced connectors, this cable is resistant to bending and pulling, and can work stably for a long time in harsh industrial environments, reducing maintenance costs.
- 【Note】: Win10 or above system will come with driver, which will be installed automatically after plugging in USB. If it can not be installed automatically, please go to ftdichip website to download the driver.
- Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane
- Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid.
- Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g.
- HC-06 Bluetooth Serial Pass-Through Module Wireless Serial Communication Compatible for Arduino
- The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect.
- Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane
- Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid.
- Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g.
- The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect.
- Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices.
- The TECHTOO High-Speed 4-Port USB-to-DB9-Serial Adapter allows you to connect as many as four 9-pin serial devices to a computer or laptop with a USB Type-A port.
- Configuring and sharing data among multiple modems, GPS devices, cellphones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices and UPS systems easily
- USB to SERIAL RS232 DB9 Adapter (4-PORT): Add four RS232 serial ports to any laptop or desktop computer using a single USB port. The USB to Serial Converter is Powered by an Available USB Cable. No External Power Adapter is Required
- COM RETENTION: COM Port assignments maintained across reboot. The USB to serial rs232 adapter plug and play. Compatible for Windows 10 & macOS 10.X / 11.X.
- IMPORTANT Note: The TECHTOO 4 port RS232 USB Serial Adapter does not support devices such as serial mice that require an IRQ number or I/O address.
- The TECHTOO High-Speed 4-Port USB-to-DB9-Serial Adapter allows you to connect as many as four 9-pin serial devices to a computer or laptop with a USB Type-A port.
- Configuring and sharing data among multiple modems, GPS devices, cellphones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices and UPS systems easily
- USB to SERIAL RS232 DB9 Adapter (4-PORT): Add four RS232 serial ports to any laptop or desktop computer using a single USB port. The USB to Serial Converter is Powered by an Available USB Cable. No External Power Adapter is Required
- COM RETENTION: COM Port assignments maintained across reboot. The USB to serial rs232 adapter plug and play. Compatible for Windows 10 & macOS 10.X / 11.X.
- No Driver Needed - Plug and Play.
- This cable connects Trimble 5600 series, Geodimeter Instrument, and Spectra Precision FOCUS 10/30 total stations to Serial 9-Pin data connector of data collectors or computer.
- Transfer data and download data to the Trimble 5600 Total Station via the computer COM/RS232/DB9 interface.
- Plug A: Hirose 4 Pin Connector; Plug B: DB9 RS232 9 pin Connector.
- Coiled Cable is more convenient for lengthlifting, making the connection more tidy. No stretch length about 24inches (60cm), Stretch max length is about 35.4 inches (90cm).
- Each cable we produce has been rigorously tested and is compatible with machines from a variety of major brand suppliers,We are committed to all the products are qualified and high-quality.
Last update on 2025-11-28 / Affiliate links / Images from Amazon Product Advertising API
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FAQ:
Q: What is the use of DTR pin in serial RS232?
A: Data Terminal Ready (DTR) is a control signal in RS-232 serial communications, transmitted from data terminal equipment (DTE), such as a computer, to data communications equipment (DCE), for example a modem, to indicate that the terminal is ready for communications and the modem may initiate a communications channel.
Q: What is RS232 protocol and how it works?
A: RS232 is a serial information transfer protocol standard that defines both the protocol (method of transmission of data) and the physical hardware to do it. This document describes how it works at the physical level so you will know what signals you can expect to see at the microcontroller pins.
Q: How does RS232 work?
A: RS232 works using two-way communication. A request to send, or RTS, is initiated from the host device. The answering device then clears the way for the information and sends a CTS, or clear to send. The data is then transmitted. It’s clean and simple, if limited. RS232 is great for applications that need simple, straightforward data transference.
Q: What is a RS232 sniffer?
A: An RS232 Sniffer is an essential tool for businesses of all sizes with products that use RS232 Communications, and perhaps it’s easy to understand why. This solution passively monitors full duplex communication, which provides powerful diagnostic capabilities without affecting the system under test.