☰
Home  /  Development Boards  /  Expansion Boards, Daughter Cards  /  M5Stack Technology U031-B
U031-B
U031-B
Active
Expansion Boards, Daughter Cards
Description:  MINI RFID UNIT 2 WS1850S
Manufacturer:  M5Stack Technology
Datasheet:   U031-B Datasheet
History Price: $4.95
In Stock: 26600
Distributors
Specification
PDF Datasheet
Equivalent
U031-B Distributors
Contact us and register as a distributor: support@icdirectory.com
Distributors
Mfr Part
Stock
 
 
Slogan
Updated
DigiKey
U031-B
16180
Visit
$
Click and see latest prices from Digikey Electronics
Apr 20, 2026
Anterwell
U031-B
13260
Visit
$
The 21 years electronic components professional supplier
Apr 20, 2026
Feilifei
U031-B
11800
Visit
$
New and original
Apr 20, 2026
One River Electronics Ltd
U031-B
1500
Visit
$
One River: Quality components, competitive prices, fast shipping, 1-year warranty
Apr 20, 2026
HAODE TECHNOLOGY
U031-B
8840
Visit
$
Click and send your RFQ
Apr 19, 2026
Hard Find Electronics Ltd.
U031-B
47080
Visit
$
Sourcing hard-to-find electronic components
Apr 19, 2026
TRICO INDUSTRIAL
U031-B
5920
Visit
$
Rooted in Semiconductors, One-stop Chip Solutions
Apr 19, 2026
Redstar Electronic
U031-B
17680
Visit
$
First Choice, Good Service
Apr 19, 2026
PARKIN
U031-B
7380
Visit
$
A Great Reputation EMS Partner specializes on E-Components Procurement
Apr 19, 2026
QTreeic Electronics
U031-B
23560
Visit
$
Your Integrated Circuit Electronic Components Supplier
Apr 19, 2026
U031-B Specification
Specification
Mfr Part
U031-B
Category
Expansion Boards, Daughter Cards
Manufacturer
M5Stack Technology
Series
-
Packaging
Box
Status
Active
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
WS1850S
Utilized IC / Part
Board(s), Cable(s)
U031-B Related Parts
U030
U030
M5Stack Technology
MINI WEIGHT UNIT (HX711)
U031
U031
M5Stack Technology
MINI RFID UNIT (MFRC522)
U032
U032
M5Stack Technology
MINI GPS/BDS UNIT (AT6558)
U035
U035
M5Stack Technology
CARDKB KEYBOARD UNIT (MEGA328P)
U035-B
U035-B
M5Stack Technology
CARDKB MINI KEYBOARD PROGRAMMABL
U037
U037
M5Stack Technology
FISH-EYE CAMERA MODULE (OV2640)
U034
U034
M5Stack Technology
RS485 TO TTL UNIT
U031-B Compare Parts
  • U031-B vs U035-B
    •
  • U031-B vs U035
    •
  • U031-B vs U032
    •
  • U031-B vs U031
    •
  • U031-B vs U030
    •
  • U031-B vs U034
    •
    Customer Reviews
    4.95 out of 5.00 stars from 96 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.
    Copyright © 2021-2026 icDirectory.com
    About Us | Email: support@icdirectory.com
    icDirectory.com is a specialized electronic components platform based in the United Kingdom, dedicated to serving manufacturers and EMS providers from Europe, America, Asia and around the world. The platform is designed to meet the unique needs of professionals in the electronics industry, providing high-quality, real-time inquiry services that connect users with manufacturers and suppliers.