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"raspberry pi 3b"
Dual TF Card Adapter Memory Board Dual System Switcher 2 in 1 TF Micro SD Card Adapter 3B+/3B/2B/B+ Compatible with Raspberry Pi (1Piece)
Limited time offer, ends 11/01
$29.02
Free Shipping
2-Channel Isolated RS232 Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W, SC16IS752+SP3232 Dual Chip Convert SPI to RS232 Data Rate up to 921600bps Embed Multi Protection Circuits
Limited time offer, ends 11/02
$49.39
Free Shipping
2-Channel Isolated RS232 Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W, SC16IS752+SP3232 Dual Chip Convert SPI to RS232 Data Rate up to 921600bps Embed Multi Protection Circuits
Limited time offer, ends 11/04
$41.16
Free Shipping