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"true wireless"
Waveshare Passive NFC-Powered E-Paper 4.2inch No Battery Wireless Powering Data Transfer Suitable for Price Tags/Shelf Labels
Limited time offer, ends 11/14
$107.79
Free Shipping
Industrial ESP32-S3 6-Channel WiFi Relay Module, Supports W-iF-i/Blue-Too-th / RS485 Remote Control/Pico HAT, Built-in Power Isolation and Optocoupler Isolation Protection, with Rail-Mount Case
Limited time offer, ends 11/14
$70.78
Free Shipping
