☰
U031-B
U031-B
Active
Description:  MINI RFID UNIT 2 WS1850S
Manufacturer:  M5Stack Technology
Datasheet:   U031-B Datasheet
History Price: $4.95
In Stock: 46400
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 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
  • 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
    Customer Reviews
    4.95 out of 5.00 stars from 131 customer reviews from all over the world
    Lúcia Costa
    Brazil
    5 stars
    2026-10-31 15:56
    I haven't used it yet arrived
    Javier Felipe
    Spain
    5 stars
    2026-10-31 13:15
    Very accurate, very fast, advantageous
    Hans Kraus
    Germany
    5 stars
    2026-10-31 12:23
    So how should it be!!!
    Daniela Romano
    Italy
    5 stars
    2026-10-31 10:44
    Everything ok recommended
    Marloes de Lange
    Netherlands
    5 stars
    2026-10-31 10:29
    Sent quickly. Tested and are OK.
    Carlo Gallo
    Italy
    5 stars
    2026-10-31 10:01
    Perfect. Arrived in Italy in a very short time. Very good seller.