CH9121 STM32 Serial Port RS232 to Ethernet Network Converter Module TTL Transmission Module Industrial Microcontroller Geekcreit for Arduino - products that work with official Arduino boards

CH9121 STM32 Serial Port RS232 to Ethernet Network Converter Module TTL Transmission Module Industrial Microcontroller Geekcreit for Arduino - products that work with official Arduino boards

Name: CH9121 STM32 Serial Port RS232 to Ethernet Network Converter Module TTL Transmission Module Industrial Microcontroller Geekcreit for Arduino - products that work with official Arduino boards
Brand: Elecbee
SKU: 1441584
Price: 14.45 USD
Availability: InStock
Rating: 142 / 29 (29 reviews)

$14.45

SKU: 1441584

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- Support 5V or 3.3V power supply, choose one;

- Serial TTL level, pin IO compatible with 3.3V and 5V voltage;

- Serial port baud rate supports 300 ~ 921600bps;

- The serial port supports full-duplex and half-duplex serial communication, and supports RS485 transceiver automatic switching;

- Two-way transparent transmission of serial data and network data;

- Support MDI/MDIX polarity automatic conversion, cross-connect or directly connect the network cable to any connection, the module automatically switches;

- Support DHCP to automatically obtain IP address and support DNS domain name access;

- Support KEEPALIVE mechanism;

- Support virtual serial port software, virtualize the network port into a computer COM port;

- Working mode supports TCP CLIENT, TCP SERVER, UDP CLIENT and UDP SERVER 4 modes;

- Supports 10/100M, full-duplex/half-duplex adaptive Ethernet interface, compatible with 802.3 protocol;

Set the serial port and network parameters of the chip through software and serial commands, and save the parameters after power off;

- Search and query all devices in the LAN through the UDP broadcast protocol to facilitate unified management of devices;

Speciications:

Ethernet Parameters:

Number of ports: 1

Interface standard: RJ45 interface

LAN Ethernet: 10 / 100Mbps

Data cache: 6K bytes

Protection: 2KV electromagnetic isolation

Network protocols: IP, ARP, TCP, UDP, ICMP, IGMP, DCHP and so on

Serial Port Parameters:

Number of ports: 1

Interface standard: TTL serial port, 2.54MM pin, 3.3V or 5V level

Baud rate: 300 ~ 921600bps

Data bits: 5,6,7,8,9

Stop bit: 1,2 bit

Parity: no parity, odd parity, even parity

Flow Control: None

Cache: 2K bytes

Supporting Software:

Parameter configuration: network configuration software, serial AT command

Module testing: test software (network, serial one)

Basic Parameters:

Size 43mmx23mmx14.5mm (length x width x height)

Working voltage DC3.3V / 5V

Operating current 200mA @ 5V

Power consumption ≤ 1W

Operating temperature -40 ~ 85 ° C

Storage temperature -55 ~ 125 ° C

Pin Description:

1. RESET: Factory reset pin, the module power-on detection, active low

2. DIR: RS485 receive, send switch control pin

3. TCPCS: TCP client mode, the port connection status indicator pin, the connection is successful output low

4. RUN: module running status indication pin, input 2Hz square wave

5. GND: Power Ground Pin

6. 3.3V: 3.3V DC power input pin, greater than 200mA, and 5V DC power supply optional

7. GND: Power Ground Pin

8. 5V: 5V DC power input pin, greater than 200mA, and 3.3V DC power supply can choose one of two

9. RSTI: reset pin, the internal pull-up, low-effective, can not be vacant

10. CFG: serial port configuration module enable pin, built-in pull-up, low-effective, do not have to be vacant

11. RXD: Serial data receive pin, serial port TTL level, compatible with 3.3V and 5V

12. TXD: serial data transmission pin, serial TTL level, compatible with 3.3V and 5V

13. GND: Power Ground Pin

14. 3.3V: 3.3V DC power input pin, greater than 200mA, and 5V DC power supply optional

15. GND: Power Ground Pin

16. 5V: 5V DC power input pin, greater than 200mA, with the optional 3.3V DC power supply can be.

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CH9121 STM32 Serial Port RS232 to Ethernet Network Converter Module TTL Transmission Module Industrial Microcontroller Geekcreit for Arduino - products that work with official Arduino boards

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Description

Overview:

RS232 to Ethernet, 5~18V power supply, one-button setting parameters, AT means to modify the module parameters in real time, automatically obtain IP, one button to restore factory settings. The module is a universal serial-to-Ethernet transparent transmission device, which can be connected to MCUs such as 51, AVR, PIC, ARM, etc. or other serial port (TTL) devices.

1 x CH9121 Serial Port RS232 to Ethernet Network Module

CH9121-STM32-Serial-Port-RS232-to-Ethernet-Network-Converter-Module-TTL-Transmission-Module-Industri-1441584

Reviews (29)
comment

Q & A

: Where is the origin of Elecbee products? Are they certificated?

2023-03-03

Answer:

Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.

2023-03-03

: What forms of payment do you accept?

2023-03-03

Answer:

Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.

2023-03-03

: When will you arrange shipment?

2023-03-03

Answer:

After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.

2023-03-03

: How to exchange or return?

2023-03-03

Answer:

1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.

2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;

3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.

2023-03-03