3 Core Elderly Problems (Fall, Forget, Remote Care) and the Devices That Solve Each

Problem 1: Falling (Undetected)

Why It Is Dangerous

1 in 3 elderly falls at least once a year. The danger is the time spent on the floor before anyone knows — averaging 8–14 hours in homes without systems. This leads to Rhabdomyolysis, Pressure Sores, and a 3-fold increase in hospital mortality.

Solution Matrix for Falling

Level 1 — Panic Button (800–1,500 THB)

• When used: elderly is conscious and can press it
• Limitation: fails if unconscious or out of reach
• Response Time: < 10 seconds
• ROI: Extremely high for the price

Level 2 — PIR Motion Sensor (800–1,500 THB/unit)

• When used: detects abnormal lack of movement
• Limitation: only triggers after threshold passes (30–60 min) — not direct fall detection
• Response Time: 35–75 minutes
• ROI: Good, reasonable price

Level 3 — mmWave Radar (12,000–20,000 THB including installation)

• When used: immediate fall detection even if elderly is unconscious
• Advantage: 100% passive — nothing for elderly to do
• Response Time: 15–30 seconds
• ROI: Very high — single prevented event pays back multiple times

Recommendation: Use all 3 levels together. Combined budget 14,000–23,000 THB is the most cost-effective approach.

Problem 2: Forgetting (Appliances, Medication, Doors)

Why It Is Dangerous

Forgetting to turn off an iron, gas, or appliances is a leading cause of house fires in elderly households. Forgetting medication increases complication risk. Forgetting to lock doors increases intrusion risk.

Solution Matrix for Forgetting

Forgetting appliances:

• Device: Smart Plug (400–800 THB/unit)
• Automation: Auto-off after 30 minutes of no movement
• Covers: iron, electric kettle, fan, rice cooker
• Budget: 1,600–3,200 THB for 4 key points

Forgetting to turn off gas:

• Device: Smart Gas Detector + Auto Gas Valve (3,000–6,000 THB)
• System: Gas detected → automatic valve closure + family Alert
• Prevents: explosion and dangerous gas inhalation

Forgetting medication:

• Device: Smart Medication Reminder Box (2,500–4,500 THB)
• Functions: audio alert + LINE notification + medication log
• Data: family knows if medication was taken

Forgetting to lock doors:

• Device: Smart Lock (3,500–8,000 THB)
• Automation: auto-lock at 22:00 every night + Alert if opened after 23:00
• Control: family can remotely unlock in an emergency

Total budget for forgetting solutions: 10,500–21,700 THB

Problem 3: Remote Care (Children Not Present)

Why It Is a Problem in Thailand

In modern Thai families, children often work in Bangkok while parents live upcountry, or live across the city with 30–60 minutes of traffic between them.

Solution Matrix for Remote Care

Remote Dashboard:

• Device: Home Assistant + Cloudflare Tunnel (free)
• Function: children access Dashboard via browser from anywhere
• Data: Activity Log, Sensor Status, Alert History

Video Check-in:

• Device: Smart Camera (living room / entrance) (3,000–6,000 THB)
• Function: children view live feed via app, Video Call via Smart TV
• Limitation: elderly must consent

LINE Notify System:

• Cost: Free (uses existing LINE)
• Function: Alerts for all key events sent to family LINE group automatically
• Daily Summary: activity summary report at 08:00 every morning

Caregiver Access:

• Add caregiver (housekeeper/nurse) as Dashboard User
• Permissions: view only, no control

Budget Summary by Problem

Solving all 3 problems with a 50,700 THB budget pays back from preventing a single serious emergency event.