Skip to main content
Department
Brands
Show More
Price
Show More
avatar

Any questions? Our AI mode will help you find out quickly.

Sort By:
View:
ELEGOO 4-Channel Relay Module and UNO R3 Board, for Automation, Switching Experiments, Control Projects and Electronics Labs
Quick View
  •  
  • $30.82 
  • Free Shipping
ELEGOO 4 Channel Relay Module with UNO R4 WiFi Kit STEM Project Bundle
Quick View
ELEGOO 4 Channel Relay Module with UNO R4 WiFi Kit STEM Project Bundle

Limited time offer, ends 09/19

  • Model #: OYSC5KU.8.21-92
  •  
  • $72.68 
  • Free Shipping
Waveshare RP2040-Tiny Development Board, Raspberry Pi Microcontroller Development Board, Based On Official RP2040 Dual Core Processor, with USB Port Adapter
Quick View
  •  
  • $32.80 
  • Free Shipping
DTECH Two-way Transparent RS422 RS485 Serial Port to TCP/IP Ethernet Device Converter Server
Quick View
  •  
  • $66.58 
  • Free Shipping
Industrial Serial Device Server RS485 to Ethernet TCP/IP LAN Converter 485 To RJ45 Adapter
Quick View
  •  
  • $48.88 
  • Free Shipping
Waveshare RTC WatchDog HAT (B) for Raspberry Pi, Onboard DS3231SN High Precision RTC Chip
Quick View
  •  
  • $50.79 
  • Free Shipping