US Dollar ($)
US Dollar ($)
Euro (€)
GB Pound (£)
Canadian Dollar ($)
Australian Dollar (AU$)
My Account
Log In
Register
My Account
Shopping Cart
Home
all products
Contact Us
News
My Account
Log In
0 item(s)
Categories
Customized area
FPGA /CPLD Development Kits
+
others
Development Boards
Downloader
New product area
Other
RS485 DO
Power modules
+
Others
UPS Modules
Buck power modules
Battery Charge Board
Solar Charger modules
Boost modules
Driver Board
Boost & Buck Dual Power Modules
Analog IO Module
Voltage Signal Detection Module
UART 485/232/TTL
+
RS485 Modues & relays
+
Wireless RS485/RS232 series 1
Current Voltage ADC Collector
RS485 Relays
Others
Digital Collection Module
Pressure Weight Sensor
Temperature and Humidity Transmitter Detection Sensor
RS232 Modues & relays
USB programmer
others
TTL232
Expansion Board
Others
Bistable Self-locking Electronic Switch
Signal Generator
+
series 1
DTMF Relay
Wireless Antenna
Adapter Modules
Bluetooth relay
Wiress RF FSK Zigbee ASK
+
ASK Modules
2.4G Modules
FSK Series 1
Wireless RFID
Remote controller kits
+
Fixed Code kits
Rolling code kits
AM FM
Wireless IR
Connector Wire
Motor Driver board
Arduino kits
IO Isolation Protection Board
Timer delay relay
top saler
ETROA01 12V with Din Box 1DI-1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROB02 12V with Din Box 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$16.81
New Products [more]
RFR1A04 RFT1C04 4CH AES128 Encryption Codec Remote Control Module 433M Superheterodyne Transceiver replace PT2262 EV1527 HC301
$5.59
PDMRA01 DC24V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$2.08
PDMRA01 DC12V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$2.08
PDMRB02 DC24V 2CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$3.48
RFT1C04 Transmitter for RFR1A04 Receiver 4CH AES128 Encryption Codec Remote Control Module 433M Superheterodyne Transceiver replace PT2262 EV1527 HC301
$2.78
PDMRB02 DC12V 2CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
$3.48
Home
Expansion Board
Expansion Board
Popular
Price
Price
Bestsellers
New
Displaying
1
to
29
(of
29
products)
ES32A08 DC 24V Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network Relay DIY
$21.49
ES32A08 DC12V Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network Relay DIY
$23.82
ES32A08 DC 12V Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network Relay DIY
$21.49
ES32A08 DC 24V Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network Relay DIY
$23.82
ES33B08 300MA OUT Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network DIY
$16.81
ES33B08 300MA OUT Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module for Arduino WEB MQTT Ethernet Network DIY
$18.68
DNPIC01 DIN Rail Mount 3.95MM GPIO PinBoard Screw Terminal Block Adapter Baord for Raspberry Pi Pico RasPi RPI PLC Module
$6.29
DNPRO11 with Rail Box DIN Rail Mount Screw Terminal Block Adapter Module For Arduino Pro mini Board PLC Industrial Controllers Smart Home
$5.12
DNPIC01 DIN Rail Mount 3.95MM GPIO PinBoard Screw Terminal Block Adapter Baord for Raspberry Pi Pico RasPi RPI PLC Module
$7.46
DNMEGA1 DIN Rail Mount Screw Terminal Block Adapter Module For Arduino MEGA2560 R3 Atmega2560 Dev Baord
$14.47
DNESP82_R 2.4G NodeMcu Lua WIFI ESP8266 GPIO DIN Rail Box Expansion Board For Arduino PLC Industrial Controllers
$5.82
DNESP32 with Rail Box DIN Rail Mount Screw Terminal Block Adapter Module For ESP32S ESP-WROOM-32 DevKitC ESP32 WIFI Dual Core CPU Development Board
$5.82
DN31C01 with Shell DIN Rail Mount Screw Terminal Block Adapter Module For Arduino NANO Board
$5.12
ABD1A01 DIN Rail Mount Screw Terminal Adapter Module For Arduino for UNO R3 PLC Industrial Control Equipment Modification
$8.63
DN22D08 8 Channel 12V Relay Shield Module RS485 PLC IO Expanding Board For Arduino NANO V3.0
$19.15
DN22D08 8 Channel 24V Relay Shield Module RS485 PLC IO Expanding Board For Arduino NANO V3.0
$19.15
DN22D08 8 Channel 12V Relay Shield Module RS485 PLC IO Expanding Board For Arduino NANO V3.0
$16.81
DN22D08 8 Channel 24V Relay Shield Module RS485 PLC IO Expanding Board For Arduino NANO V3.0
$16.81
ETROA01 12V Only Board 1DI-1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$14.47
ETROA01 24V Only Board 1DI-1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$14.47
ETROA01 12V with Din Box 1DI-1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROA01 24V with Din Box 1DI-1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROB02 12V Only Board 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROB02 24V Only Board 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$15.64
ETROB02 12V with Din Box 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$16.81
ETROB02 24V with Din Box 2DI-2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
$16.81
NTROA02_5V 2 IN 1 NTC Relay Multifunctional Temperature Acquisition Module TTL232 RS485 Analog Digital PLC IO Expanding Board DC 5V 12V 24V
$6.29
NTROA02_12V 2 IN 1 NTC Relay Multifunctional Temperature Acquisition Module TTL232 RS485 Analog Digital PLC IO Expanding Board DC 5V 12V 24V
$6.29
NTROA02_24V 2 IN 1 NTC Relay Multifunctional Temperature Acquisition Module TTL232 RS485 Analog Digital PLC IO Expanding Board DC 5V 12V 24V
$6.29
Displaying
1
to
29
(of
29
products)