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Fermion: FTDI Basic Breakout 3.3/5V (Arduino Compatible)
$12.40
$4.34
USB to TTL Converter (CP210)
$4.80
$1.68
Multi USB/RS232/RS485/TTL Converter
$18.80
$6.58
Industrial USB to TTL Converter (FT232RL)
$6.30
Adafruit LTC4311 I2C Extender / Active Terminator (STEMMA QT / Qwiic)
$9.60
$3.36
CP2102 USB UART Board (Micro-USB)
SparkFun Transceiver Breakout - MAX3232
$7.00
USB-USB NULL Modem (CDC)
$6.50
Adafruit ISO1540 Bidirectional I2C Isolator (STEMMA QT / Qwiic)
$8.60
$3.01
Gravity: I2C HUB
$1.50
$0.52
SparkFun Beefy 3 - FTDI Basic Breakout
$18.20
$6.37
Gravity: I2C to Dual UART Module
$7.70
$2.69