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Home  /  Development Boards  /  Expansion Boards, Daughter Cards  /  M5Stack Technology U031
U031
U031
Obsolete
Expansion Boards, Daughter Cards
Description:  MINI RFID UNIT (MFRC522)
Manufacturer:  M5Stack Technology
Datasheet:   U031 Datasheet
History Price: Obsolete
In Stock: 25550
Distributors
Specification
PDF Datasheet
Equivalent
U031 Distributors
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Distributors
Mfr Part
Stock
 
 
Slogan
Updated
DigiKey
U031
12515
Visit
$
Click and see latest prices from Digikey Electronics
Apr 20, 2026
Anterwell
U031
37605
Visit
$
The 21 years electronic components professional supplier
Apr 20, 2026
Feilifei
U031
25150
Visit
$
New and original
Apr 20, 2026
One River Electronics Ltd
U031
37625
Visit
$
One River: Quality components, competitive prices, fast shipping, 1-year warranty
Apr 20, 2026
HAODE TECHNOLOGY
U031
25070
Visit
$
Click and send your RFQ
Apr 19, 2026
Hard Find Electronics Ltd.
U031
25090
Visit
$
Sourcing hard-to-find electronic components
Apr 19, 2026
TRICO INDUSTRIAL
U031
160
Visit
$
Rooted in Semiconductors, One-stop Chip Solutions
Apr 19, 2026
Redstar Electronic
U031
140
Visit
$
First Choice, Good Service
Apr 19, 2026
PARKIN
U031
12615
Visit
$
A Great Reputation EMS Partner specializes on E-Components Procurement
Apr 19, 2026
QTreeic Electronics
U031
25130
Visit
$
Your Integrated Circuit Electronic Components Supplier
Apr 19, 2026
U031 Specification
Specification
Mfr Part
U031
Category
Expansion Boards, Daughter Cards
Manufacturer
M5Stack Technology
Series
-
Packaging
Bulk
Status
Obsolete
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Contents
M5Stack
Platform
RF
Type
RFID Reader
Function
MFRC522
Utilized IC / Part
Board(s)
U031 PDF Datasheet
U031 Datasheet
Click and Download: U031 Datasheet
U031 Related Parts
U030
U030
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U031-B
U031-B
M5Stack Technology
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U032
U032
M5Stack Technology
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U035
U035
M5Stack Technology
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U035-B
U035-B
M5Stack Technology
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U037
U037
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U034
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M5Stack Technology
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U031 Compare Parts
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  • U031 vs U034
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    Customer Reviews
    4.95 out of 5.00 stars from 126 customer reviews from all over the world
    Teresa Patterson
    United States
    5 stars
    2026-03-30 22:12
    Very Nice! It has been used to resurrect a dead Raspberry Pi 3B+. Packing was more than decent, and if i knew the quality I would have bought more! Highly recommended!
    Margaux Delaunay
    France
    5 stars
    2026-03-30 22:02
    No particular comment: The hardest thing remains to do: unsolder the old component to put this one!
    Cássia
    Brazil
    5 stars
    2026-03-30 20:37
    Original product, tested Co. Debuger…
    Xuxa Almeida Silva
    Brazil
    5 stars
    2026-03-30 11:23
    Fast delivery, the product description
    Egidijus Petras
    Lithuania
    5 stars
    2026-03-30 08:37
    Got it on time. Thank you. Recommend
    Frank Long
    United States
    5 stars
    2026-03-30 03:47
    Items received and working fine. Super stable output.
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