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SparkFun RFID USB Reader
SparkFun RFID USB Reader
SparkFun RFID USB Reader
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SparkFun RFID USB Reader

Marsoni M251S
Sale price$20.00
Pay 4 payments of $5.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
SparkFun RFID USB ReaderSparkFun RFID USB Reader The SparkFun RFID USB Reader is a simple to use, USB to serial base unit for the ID 3LA, ID 12LA, and ID 20LA readers. Simply plug a reader into the headers and attach a miniUSB cable. Open a terminal program of your choice at 9600bps 8N1, then scan your 125kHz ID tag and the unique 32 bit ID will be shown on the screen. The unit is based on a FTDI chip and comes with a read LED and buzzer. This new revision uses SMD headers
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 653 reviews
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Product Reviews
C
Verified Purchase
Chris Luu
Belleville, US
★★★★★ 5
Flat screen phone holder charger
Style: Qi2 Charging Mount, Style: Qi2 Charging Mount
This phone holder works perfectly on my aftermarket flat screen. It charges and it swivels 360. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
R
Verified Purchase
reedtek
Belleville, US
★★★★★ 4
Not perfect, but good enough for daily use
Style: Qi2 Charging Mount
Well made and very strong magnet. Make sure you tighten it completely or it will fall off. The tightening screws are not intuitive, but after some confusion you can figure it out. Works as intended and charging is as fast as your phone allows.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
S
Verified Purchase
Steve lane
West Palm Beach, US
★★★★★ 1
Not worth it won’t stay mounted on tesla screen
Style: Qi2 Charging Mount
Charging part works great on my iPhone 16 Pro, but the mount itself was horrible. Falls off constantly won’t lock in place to stay mounted on Tesla screen the mount itself is made of cheap plastic. Had it for about six months now the charger part w
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
M
Verified Purchase
Michael Quattlebaum
Natrona Heights, US
★★★★★ 5
Fast charger
Style: Qi2 Charging Mount
Simple to install. Holds tightly and has enough adjustment flexibility to get your phone positioned the way you want it. Fast charger and mag holds tightly. Only downside is where to plug in the charging cord. But that would be a problem with any external charger.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
T
Verified Purchase
Tom
Omaha, US
★★★★★ 3
charger works, not the adhesive on the ring.
Style: Qi2 Charging Mount
The metal ring adhesive was destroyed by the unit's heat in a few weeks. Do not buy it if you need the adhesive ring to hold the phone. The blinking light ring is annoying - why is it needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026

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