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"usb serial uart"
SX1262 LoRa HAT for Raspberry Pi 915MHz Frequency Band Data Transmission up to 5km Support Auto Repeating to Transmit Longer Wake on Radio Wireless Config Carrier Sensing Communication Key
Limited time offer, ends 11/07
$107.99
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32 GPIO Expansion Module 8-bit Input & Output IO Extend Adapter Module for Raspberry Pi Adapter Module Raspberry Pi GPIO Expansion Board Module
Limited time offer, ends 11/04
$34.64
Free Shipping
Relay Module, Wireless Development Board ESP8266 Relay Module WIFI 4?Channel Development Board with 2 X Sockets for Relay Module
Limited time offer, ends 11/04
$29.69
Free Shipping