




PayQR - Arunas Akatsuki
Machine to Generate Payment QR Code
Duration
Dec 2024-
Jan 2025
Design team
Mara -
Sole member UX UI Designer
Tools
Figma
Aftereffects
Adobe Illustrator
Canva
My Roles
UX/UI Designer
Overview
PayQR is a physical device and digital interface solution designed to generate and print QR codes before the payment process at kiosks or self-checkout stations. It allows users to confirm the order, generate a QR code, and scan it using a payment machine
More about the service: https://arunas.co.jp/
User Journey
Machine - QR Code - Finish Payment
PayQR
Make a total payment
and print out the QR Code
Get the QR Code
Finish the payment at the
AES-CUT payment machine
QR Code
AES-CUT



At a Glance
The Machine and the UI

Problem
The client needed a software solution for a payment system that integrates with a physical machine (PayQR), which prints a QR code after the cashier inputs the customerโs order total.
Goals
The goal was to streamline this process by enabling the machine to automatically print a payment-ready QR code as soon as the order total is entered by the cashier. The customer can then scan this QR code at a payment machine (such as a self-service terminal or mobile payment device) and complete the transaction easily.
Request

First Phase Hi-Fi

Outcome
PayQR is an integrated hardware and software solution designed to optimize the payment workflow at kiosks and self-checkout stations. It enables users to verify their orders, generate a secure, unique QR code, and print it prior to payment. This QR code can then be scanned seamlessly by a payment terminal, facilitating a faster, more efficient transaction process while enhancing accuracy and user experience.
Second Phase Hi-Fi
Setting Up Store and Staff Codes for Easy Device Identification
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ใใผใธใงใณ๏ผ1.0.30

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ใใผใธใงใณ๏ผ1.0.30

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TUV
7
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6
MNO
5
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4
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3
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2
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1


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ๅบ่็ชๅทใๅ ฅๅ

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ใใผใธใงใณ๏ผ1.0.30






To edit/put staff code
To edit store code
To indicate how many receipt printed
To enter the total payment
Entering the Total Payment Amount

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ใใผใธใงใณ๏ผ1.0.30
0
+
9
WXYZ
8
TUV
7
PRQS
6
MNO
5
JKL
4
GHI
3
DEF
2
ABC
1


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ใใผใธใงใณ๏ผ1.0.30
0
+
9
WXYZ
8
TUV
7
PRQS
6
MNO
5
JKL
4
GHI
3
DEF
2
ABC
1



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ใใผใธใงใณ๏ผ1.0.30
0
+
9
WXYZ
8
TUV
7
PRQS
6
MNO
5
JKL
4
GHI
3
DEF
2
ABC
1


Change or put new staff code

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่ชญใฟๅใ
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ใใผใธใงใณ๏ผ1.0.30


0~9999
ในใฟใใใณใผใใๅ ฅๅ
ในใฟใใใณใผใใ่ชญใฟ่พผใพใใฆใใ ใใ
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ใใผใธใงใณ๏ผ1.0.30
0
+
9
WXYZ
8
TUV
7
PRQS
6
MNO
5
JKL
4
GHI
3
DEF
2
ABC
1


ๅบ่็ชๅท (4ๆๅญ)
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ใใผใธใงใณ๏ผ1.0.30


QRใณใผใใในใญใฃใณ
ใซใกใฉใQRใณใผใใซๅใใฆใใ ใใ
ใฎใฃใฉใชใผใใใขใใใญใผใ


ใฎใฃใฉใชใผใใใขใใใญใผใ
QRใณใผใใในใญใฃใณ
ใซใกใฉใQRใณใผใใซๅใใฆใใ ใใ

Edit the store code

ๅบ่็ชๅทใๅ ฅๅ
ๅบ่็ชๅท (4ๆๅญ)
*
0030
ๅๅใณใผใใๅฐๅท
โปQRใณใผใใฏ(ๆ ช)ใใณใฝใผใฆใงใผใใฎ็ป้ฒๅๆจใงใ
ใใผใธใงใณ๏ผ1.0.30


ๅบ่็ชๅทใๅ ฅๅ
ๅบ่็ชๅท (4ๆๅญ)
*
0030
ๅๅใณใผใใๅฐๅท
โปQRใณใผใใฏ(ๆ ช)ใใณใฝใผใฆใงใผใใฎ็ป้ฒๅๆจใงใ
ใใผใธใงใณ๏ผ1.0.30
0
+
9
WXYZ
8
TUV
7
PRQS
6
MNO
5
JKL
4
GHI
3
DEF
2
ABC
1


ๅบ่็ชๅทใๅ ฅๅ
ๅบ่็ชๅท (4ๆๅญ)
*
0030
ๅๅใณใผใใๅฐๅท
โปQRใณใผใใฏ(ๆ ช)ใใณใฝใผใฆใงใผใใฎ็ป้ฒๅๆจใงใ
ใใผใธใงใณ๏ผ1.0.30

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