Reviews Ethernet To Serial Board

Dell System Board (Motherboard) for OptiPlex 330 (Refurbished)

Genuine Dell Motherboard For Optiplex 330 MT or SD Systems.
Chipset: Intel G31 w/ ICH7R | Processor: Intel Pentium, Celeron, Core 2 Duo, Socket 775 |.
Memory: 2 DIMM slots supporting up to 4 GB of RAM, Capacilities: up to 2 GB | Video: Integrated Intel Graphics | Audio: Integrated Audio Sound Controller, ADI 1984 High Definition Audio.
Expansion Capabilities: 1 PCI-E X16 slot, supports x16, x8, x4, and x1 modes/cards, 2 PCI 32Bit / 33MHz slots |.
Peripheral Interfaces: (8) 2.0 USB (front and back) (1) parallel printer port (1) serial ports 1 VGA 4 - Serial ATA (SATA) Interface Ports 1- 10/100/1000 Ethernet Port | Motherboard Part Number: KP561, N820C, TW904.

The PCF8574 IO Expansion Board provides general-purpose remote I O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)..
The main resources: PCF8574, I2C interface, the 8-bit parallel.
Typical applications: for I / O resource constraints the MCU I / O expansion.
PCF8574T expansion board applicable to a variety of platforms including AVR / ARM.
PCF8574T PCF8574 IO expansion board support I2C bus cascade (by pin header row seat docking methods can be used simultaneously multiple I2C modules).

Interfaces/Ports-Gigabit Ethernet Port-No.
Avoid long stringing cables Freedom to place your home entertainment center anywhere and still connect to the Internet.

Nonstandard baudrates supported with high precision.
Port buffers for storing serial data when the Ethernet is offline.
Supports IPv6 / Ethernet redundancy (STP/RSTP/Turbo Ring) with network module.
Modular design for scalability / DES/3DES/AES for highly secure data transmissions.

The KEYESTUDIO Plus board can work like the Arduino Board but it is more powerful and has more pins.
The USB to Serial chip of this board is stable and compatible CP2102.
extend serial communication and I2C interface, 6 PWM and 6 analog ports.
special DC-DC design provides up to 5V 1.5A, can drive high-current devices like servo and motor.
The yellow text on black board makes identifying pinsets a breeze. FCC and CE is available.
How to use: Search for "keyestudio wiki KS0486" in Google Chrome to get the wiki online tutorial for this product. Technical supports are available at any time!.

This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbisher to look and work like new,with limited to no signs of wear.The refurbishing process includes functionality testing,inspection,reconditioning and repackaging.The product ships with all relevant accessories,a minimum 90-day warranty,and may arrive in a generic white or brown box.Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.
Intel Quad Core i5-2400 Processor 3.1GHz (Turbo up to 3.4GHz, 6MB L3 Cache).
12GB DDR3 Memory, 2TB SATA Drive, 240GB Solid State Drive, DVD, Intel HD Graphics 2000 (Monitor Not Included).
10/100/1000 Gigabit Ethernet, Front Ports: (4) USB 2.0, (1) Headphone, (1) Microphone.
Rear Ports: (6) USB, (1) VGA, (1) Audio: Line-in/Microphone, (1) Audio: Line-out, (1) Serial Port, (1) RJ-45 Ethernet, (1) Display Port, (1) Serial Port.

NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
Module with overcurrent protection and relay diode freewheel protection..
NOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW.
NOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.

The LCD has always been a device that acts as a window in human-computer interaction. For example, the prompt window on some instrument devices, the temperature and humidity prompt box, the device running status monitor, and the prompt screen of the counting device all have LCD figures.
LCD2004+I2C 2004 20x4 2004A Blue/Green screen HD44780 Character LCD /w IIC/I2C Serial Interface Adapter Module for arduino.
It is a high-performance serial bus with bus rules and high-speed or low-speed device synchronization required for multi-master systems. The I2C bus has only two bidirectional signal lines, a serial data line (SDA) and a serial clock line (SCL)..
Compatible with all devices with I2C interfaces, such as for Arduino, raspberry pi, beagle bone black, tinker board, stm32, esp32 and more..
please check which chip you have on i2c interface. (Before you upload the code to the control board, please download the LiquidCrystal_I2C library).

Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are included with limited documentation and additional information online. Netgear recommends to udpate the firmware for the device to be up to date..
DOCSIS 3.0 cable modem unleashes 8x faster download speeds up to 340 Mbps faster, smoother WiFi, and works with all major cable Internet providers (Not Compatible with Cable Bundled Voice Services)..
Certified to work with Cable Internet Providers like XFINITY from Comcast, Time Warner Cable, Cox, Cablevision, Bright House Networks, & More (Not Compatible with Cable Bundled Voice Services)..
8x4 channel bonding with Gigabit Ethernet Ports for fast wired, connections USB port to wirelessly share your hard drive.Double firewall protection (SPI and NAT firewall).
"Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if emailing customer support. See the attached (image) flyer to obtain the Serial Number and MAC Address information that maybe needed by your Cable provider before contacting them.".