USB to RS485 Windows Support Converter Adapter

The USB to RS485 Converter Adapter offers seamless integration with Windows systems, enabling easy RS485 communication through a USB port. Ideal for industrial and serial communication applications, this adapter ensures reliable data transmission and plug-and-play functionality

Specifications:

• Interface Type: USB 2.0 (compatible with USB 1.1/3.0 ports)
• Chipset: Common chipsets include FTDI FT232RL, CH340, and CP2102 for reliable communication.
• Communication Standard: RS485
• Connector A: USB Type-A or Type-C (depending on the version)
• Connector B: RS485 (usually bare terminals or screw terminals for easy wiring)

Data Transmission:

• Baud Rate: Supports various baud rates, typically ranging from 300bps to 921.6kbps
• Data Bits: 7 or 8
• Stop Bits: 1 or 2
• Parity: None, Even, or Odd (configurable)
• Flow Control: None

Signal and Protection:

• Signal Transmission Distance: Up to 1.2 km (4000 feet) over twisted pair cables at lower baud rates.
• Protection: Built-in surge protection (15kV ESD protection and 600W surge protection to prevent damage)
• Isolation: Some models offer opto-isolated versions (typically 1500V) to prevent ground loops or electrical interference.

Power:

• Power Source: Powered by the USB port, no external power supply is required.
• Power Consumption: Low power consumption, typically 0.5W or less.

OS Compatibility:

• Windows Support:
  • Fully compatible with Windows 10/8/7/Vista/XP (both 32-bit and 64-bit versions)
  • Automatic driver installation via Windows Update for most chipsets (such as FTDI).
• Other OS Compatibility: Often compatible with macOS and Linux (depending on the chipset).

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USB to RS485 Windows Support Converter Adapter
darazsales

24v Relay 4 Channel Module

Specifications:

• Number of Channels: 4
• Relay Type: Electromechanical relay
• Control Voltage: 24V DC
• Relay Contact Rating:
  • AC: 250V AC at 10A
  • DC: 30V DC at 10A
• Isolation: Optocoupler isolation between control circuit and relay

Input Specifications:

• Input Voltage: 24V DC (to control the relays)
• Trigger Current: Typically around 20mA to 30mA per channel
• Trigger Type: Active Low (relays are triggered by grounding the input)
• Optocoupler Isolation: Each relay channel is isolated using an optocoupler for better noise immunity.

Output Specifications:

• Relay Contact Type: Normally Open (NO) and Normally Closed (NC)
• Max Switching Voltage: 250V AC, 30V DC
• Max Switching Current: 10A per channel
• Contact Material: Silver alloy for high durability

Mechanical Specifications:

• Board Dimensions: Typically around 75mm x 55mm x 20mm (may vary by manufacturer)
• Mounting Holes: Provided for screw mounting
• Connector Type:
  • Input: 4-pin terminal block for control signals (VCC, GND, IN1, IN2, IN3, IN4)
  • Output: 3-pin terminal block per relay (Common, Normally Open, Normally Closed)

Environmental Specifications:

• Operating Temperature: -40°C to +85°C
• Storage Temperature: -55°C to +125°C
• Humidity Range: 5% to 95% RH (non-condensing)

Features:

• LED Indicators: Each relay channel has an LED indicator to show the status of the relay (ON/OFF).
• Optocoupler Isolation: Provides isolation between the control signal and the relay for protection against voltage spikes and noise.
• High-Quality Relay: Ensures reliable switching with a long operational lifespan.

Power Specifications:

• Power Supply for Relay Board: 24V DC
• Power Consumption: Typically 75mA to 100mA per active relay

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24v Relay 4 Channel Module
darazsales

LM317 DC Step Down Adjustable Linear Regulator 4.5~40V Turn 1.2~37V 

LM317 DC Step Down Adjustable Linear Regulator 4.5~40V
darazsales

Voltage To Current Module 0-5V to 0 -20mA Converter Module

• Power supply voltage: DC 12V~24V.
• Input voltsge signal: 0~5V.
• Output current: 4-20mA.
• Module size:5.5*2.5cm
• Zero and span can be adjusted (potentiometer adjustment).
• with the isolated nature of the non-optically isolated.

Package Include:

1 x Voltage to Current Transmitter Signal

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Voltage To Current Module 0-5V to 0 -20mA Converter Module
darazsales

NodeMcu ESP8266 (CH340G) Development Board
Ashen Premathilake

NodeMcu V3 Lua ESP8266 CP2102 Specifications & Features

The NodeMCU Development Board is a versatile and easy-to-use platform for IoT projects. It features an ESP8266 Wi-Fi module, 4MB flash memory, and a USB-to-serial converter for programming and debugging. With its compact size and low power consumption, it is ideal for building connected devices and applications.

• Microcontroller: Tensilica 32-bit RISC CPU Xtensa LX106
• Operating Voltage: 3.3V
• Input Voltage: 7-12V
• Digital I/O Pins (DIO): 16
• Analog Input Pins (ADC): 1
• UARTs: 1
• SPIs: 1
• I2Cs: 1
• Flash Memory: 4 MB
• SRAM: 64 KB
• Clock Speed: 80 MHz
• USB-TTL
• PCB Antenna
• Small Sized module to fit smartly inside your IoT projects

NodeMCU Development Board Pinout Configuration

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NodeMcu V3 Lua CP2102 ESP8266 Development Board
Ashen Premathilake