The Most Common Beginner Mistake
The most frequent error new smart home buyers make is choosing a single brand for everything because it appears simpler. The result is a closed ecosystem that is difficult to expand, and if the manufacturer shuts down its cloud service in the future, the devices may stop working entirely. This is not a hypothetical risk — multiple smart home product lines became non-functional between 2023 and 2025 when their cloud backends were discontinued.
Prioritising Matter 1.4 compatibility solves this. Standards-compliant devices work with any Matter-compatible hub and can be moved to a different hub in the future without replacement.
The Best Starting Point for a Smart Home
For those starting from scratch, HappySmart recommends beginning with three categories that deliver the highest return per baht invested: smart lighting, smart plugs, and door sensors.
Matter-compatible smart bulbs from Xiaomi or TP-Link Tapo start below ฿500 per unit, allowing brightness and colour temperature adjustment via app or voice command. They immediately change the atmosphere of any room and consume significantly less power than conventional bulbs.
Smart plugs like the TP-Link Tapo P115 or Xiaomi Smart Plug with energy metering show exactly which appliances draw the most power and enable automations that turn off devices left running accidentally — washing machines, irons, and similar appliances that should not run unattended.
Choosing the Right Hub for a Beginner
For those who prefer simple setup, a Tuya Smart hub or a Xiaomi Matter 1.4 hub operates entirely through an app without requiring technical knowledge. Either is well suited to a home with up to 30 devices.
For those planning more complex automations or significant future expansion, Home Assistant on Raspberry Pi 5 is the better long-term choice. The initial setup requires more effort, but it delivers capabilities that subscription-tier commercial platforms restrict — and it costs nothing per month.
Devices to Avoid in 2026
Avoid any device that depends entirely on a manufacturer's cloud with no local control option. If the server goes offline, these devices become electronic waste immediately. This scenario has already occurred with several smart home product lines.
Also avoid devices that use Bluetooth BLE as the primary protocol. Range limitations require additional bridges, and cross-device automations are considerably harder to build than with Wi-Fi or Zigbee devices.