Smart Residential Solution · 2026
GECOLEN
SMART WASH
SMART WASH
Automated Laundromat Solution for Residential Complexes — 8 Washing / Dryer Machines, RFID Access, ESL Display Tags & App-Based Booking
UNIT W-03
Salman Ahmed
14:00–15:00
Salman Ahmed
14:00–15:00
Solution Overview
INTELLIGENT LAUNDRY
MANAGEMENT
A fully integrated, contactless laundry ecosystem for residential basement facilities — combining IoT hardware, cloud services, and a consumer booking app for a seamless resident experience.
8×
Machines (8 Washers + 8 Dryers)
2.66“
ESL e-Paper Display Tags per Machine
1hr
Bookable Session Slots
10min
Early Warning Before Session Ends
System Architecture
END-TO-END
TECHNOLOGY STACK
Five integrated layers work in real-time — from resident booking to physical machine display — all connected via cloud APIs.
RESIDENT INTERFACE
BOOKING PLATFORM
ACCESS CONTROL
ESL DISPLAY LAYER
Mobile App
Android booking app for residents
ANDROID
Web App
Browser-based booking portal
PWA / RESPONSIVE
HTTPS
REST
REST
Booking Engine
Slot management, payments & session scheduler
CLOUD API
Resident DB
RFID card IDs, profiles & booking history
ENCRYPTED DB
Push Notifications
Session reminders & 10-min end alerts
FCM / APNS
RFID
TRIGGER
TRIGGER
RFID LF Access Gate
125 kHz LF reader validates resident card at booked time window
125 kHz LF
Access Controller
Validates booking vs. card ID in real-time, grants/denies entry
WIEGAND / IP
ESL API
WEBHOOK
WEBHOOK
ESL Cloud Platform
Receives booking data via API, schedules ESL updates & LED commands
ESL CLOUD API
ESL Gateway
On-site 2.4 GHz / Sub-GHz gateway pushes data to all 8 ESL tags
ON-SITE HW
ESL Tags ×8
2.66″ e-paper display + RGB LED. Shows name, machine ID & session time
2.66″ E-PAPER + LED
PHYSICAL MACHINES — BASEMENT LAUNDRY FLOOR
DRYER D-01
SLOT A
DRYER D-02
SLOT B
DRYER D-03
SLOT C
DRYER D-04
SLOT D
DRYER D-05
SLOT E
DRYER D-06
SLOT F
DRYER D-07
SLOT G
DRYER D-08
SLOT H
WASHER W-01
SLOT A
WASHER W-02
SLOT B
WASHER W-03
SLOT C
WASHER W-04
SLOT D
WASHER W-05
SLOT E
WASHER W-06
SLOT F
WASHER W-07
SLOT G
WASHER W-08
SLOT H
Spatial Layout
BASEMENT LAUNDRY
FLOOR PLAN
Schematic layout of the laundry room — 8 washers along the left wall, 8 dryers along the right, ESL Gateway mounted centrally, RFID gate at entry.
BASEMENT LAUNDRY — SMARTWASH FACILITY
WASHERS
DRYERS
📡 ESL GATEWAY 📡
+ Access Controller
W-01 · AHMED HUSAIN
🫧
WASH-01
W-02 · KAMIL KHAN
🫧
WASH-02
W-03 · AVAILABLE
🫧
WASH-03
W-04 · FAIZ ALI
🫧
WASH-04
D-01 · SALMAN AHMED
♨️
DRY-01
D-02 · AVAILABLE
♨️
DRY-02
D-03 · ABDUL REHMAN
♨️
DRY-03
D-04 · AVAILABLE
♨️
DRY-04
📡RFID GATE
AISLE
ACTIVE
10-MIN WARNING
AVAILABLE
ESL Tag Intelligence
2.66″ E-PAPER TAG
LED STATUS STATES
Each machine’s ESL tag operates in three distinct states — giving residents and staff instant visual confirmation of session status across the entire facility.
STATE 1 — IDLE
WASH-03
— AVAILABLE —
NO BOOKING
● LED OFF
Machine is unbooked. Display shows “Available” with no active LED. Residents can book via app.
STATE 2 — SESSION ACTIVE
WASH-01
SALMAN AHMED
14:00 – 15:00
🟢 GREEN LED BLINKING
Session has started. Tag displays resident name & time slot. Green LED blinks continuously until 10 minutes before end.
STATE 3 — 10-MIN WARNING
WASH-04
SALEEM AFZAL
⚠ ENDS IN 10 MIN
🔴 RED LED BLINKING
10 minutes before session end, Green LED stops and Red LED starts blinking rapidly. Push notification also sent to resident’s app.
User Journey
HOW THE
BOOKING WORKS
From reservation to laundry completion — a frictionless, fully automated workflow for residents.
📱
1
Book a Slot
Resident selects machine, date & hourly time slot via mobile or web app. Payment processed at booking.
🔔
2
Get Confirmed
Confirmation & reminder push notification sent. Booking linked to resident’s RFID card ID in the system.
🚪
3
RFID Entry
At booked time, resident taps RFID card at the basement gate. System validates against booking window and grants access.
🏷️
4
ESL Tag Activates
Assigned machine ESL tag updates with resident’s name & session time. Green LED begins blinking to confirm active session.
⚠️
5
10-Min Alert
Green LED stops, Red LED blinks rapidly. Push notification sent. Resident collects laundry and vacates before next session.
Hardware & Software Components
SYSTEM
COMPONENTS
Booking App
MOBILE + WEB PLATFORM
Resident-facing interface for discovering availability, reserving time slots, managing bookings and receiving session alerts.
- Real-time machine availability calendar
- Hourly slot booking with payment
- Push notifications (reminders + 10-min warning)
- Booking history & receipts
- Web app (PWA) + & Android
RFID LF Access Gate
125 KHz LOW FREQUENCY RFID
Contactless access control gate installed at the basement laundry room entry. Validates resident RFID cards against live booking data.
- 125 kHz LF RFID card reader
- Booking-time-window validation
- Wiegand or TCP/IP integration
- Real-time API check against booking DB
- Audit log of all access events
ESL Tag 2.66″
E-PAPER DISPLAY + RGB LED
Electronic shelf label mounted on each machine. Displays the booking resident’s name, machine ID, and session time on e-paper with programmable LED indicators.
- 2.66″ e-paper display (low power)
- RGB LED for Green / Red status signalling
- Wireless BLE update via ESL Gateway
- Battery-powered, multi-years lifespan
- IP-rated for laundry environment
ESL Gateway
ON-SITE WIRELESS HUB
Installed in the laundry room ceiling. Communicates wirelessly with all 8 ESL tags, pushing display updates and LED commands from the ESL Cloud in real time.
- Covers all 8 ESL tags in the room
- 2.4 GHz / Sub-GHz wireless protocol
- PoE or AC USB powered
- Connected to ESL Cloud via LAN/WiFi
- Sub-second tag update latency
ESL Cloud Platform
CLOUD API + SCHEDULER
The central cloud service that manages all ESL tag content and LED schedules. Integrated with the Booking App via API to automate display updates on booking events.
- REST API integration with Booking App
- Schedules tag updates at session start
- Triggers Red LED at T-10 minutes
- Clears tag display at session end
- Dashboard for facility managers
Laundry Machines ×8
8 WASHERS + 8 DRYERS
Commercial-grade front-load washers and dryers installed in the basement. Each unit is paired with a dedicated ESL tag mounted on the fascia.
- 4× front-load washers (W-01 to W-08)
- 4× heat-pump dryers (D-01 to D-08)
- 1 ESL tag per machine
- Machine ID labelling matches app display
Technical Specifications
HARDWARE & INTEGRATION
SPECIFICATIONS
ESL Tag
Display Size2.66 inch e-paper
Resolution296 × 152 px
LED ColorsGreen (active) / Red (warning)
CommunicationProprietary RF / 2.4 GHz
Power SourceReplaceable battery
Update Latency< 1 second via Gateway
RFID Access Gate
RF Frequency125 kHz LF
Card ProtocolEM4100 / HID Prox
Output InterfaceWiegand 26/34, TCP/IP
ValidationReal-time booking API check
Read RangeUp to 10 cm
Fail ModeFail-secure (locked)
Booking Platform API
API TypeRESTful JSON over HTTPS
AuthOAuth 2.0 / JWT
ESL IntegrationWebhook push on booking events
RFID IntegrationCard ID ↔ Booking ID mapping
NotificationFCM (Android) / APNs (iOS)
Warning TriggerT-10 min scheduler job
Facility Summary
LocationResidential complex basement
Total Machines8 (4 washers + 4 dryers)
ESL Tags8 × 2.66″ tags (1 per machine)
ESL Gateways1× on-site unit
Access Gates1× entry gate (LF RFID)
Session Duration1 hour per booking
