DIY Smart Devices

Build Your Smart Home,
Your Way.

Every NexGen device is designed for easy DIY installation. Buy it, flash it with our firmware, configure it in the app, and you're live — no soldering, no coding required.

Place an Order Flash Guide
Getting Started

From box to live in under 10 minutes.

1

Purchase

Order your device online or from a local reseller. Ships pre-assembled and tested.

2

Flash Firmware

Use the NexGen Flash Tool (web-based, no installs) to write the latest firmware via USB-C.

3

Configure in App

Scan the QR code on your device to claim it in the NexGen app. Name it, set alerts, invite users.

4

Control Anywhere

Control via app, portal, Home Assistant, or Android Auto — from anywhere in the world.

Full Catalogue

Pick your device.

All devices run on ESP32, support OTA firmware updates, and integrate natively with the NexGen platform and Home Assistant.

🏠 NEW

NexGate Pro

Single-channel gate controller with status feedback. Configurable pulse width, lockout timer, and notification on every trigger event.

ESP32 HA Ready DIY Flash Android Auto
R 349 incl. VAT
🚪 HA

NexDoor Pro

Garage door controller with a magnetic reed sensor for true open/closed state detection. Trigger via app, HA, or Android Auto.

ESP32 HA Ready Android Auto DIY Flash
R 349 incl. VAT

NexSwitch Dual

Two-channel relay switch for general-purpose automation — lights, irrigation valves, pumps, or any low-voltage load up to 10A per channel.

ESP32 HA Ready DIY Flash 10A / ch
R 299 incl. VAT
🌡️

NexSense T/H

Compact temperature and humidity sensor (SHT31). Ideal for garages, server rooms, and storage areas that need environmental monitoring.

ESP32 HA Sensor DIY Flash
R 249 incl. VAT
💨

NexSense AQ

Air quality monitor measuring CO₂ (SCD40), VOC, PM2.5, temperature, and humidity. Alerts when levels are unsafe and logs trends over time.

ESP32 HA Sensor CO₂ / VOC / PM2.5
R 449 incl. VAT
🔲

NexDoor Sensor

Compact wireless door and window sensor. Triggers alerts and automations when any door, window, or cabinet is opened or left open.

ESP32-C3 HA Binary Sensor Battery Powered
R 199 incl. VAT
Firmware Flashing

Flash in 3 easy steps.

No programming experience needed. Our web-based flash tool works directly in Chrome — just plug in your device and click.

1

Connect via USB-C

Plug your NexGen device into your computer using the included USB-C cable. Hold the BOOT button while connecting if it doesn't appear automatically.

2

Open the NexGen Flash Tool

Visit flash.nexgen-iot.co.za in Google Chrome. Select your device type, choose the latest firmware version, and click Flash Device.

3

Claim in the App

Once flashed, the device creates a Wi-Fi hotspot. Connect to it, enter your home Wi-Fi credentials, then scan the QR code in the NexGen app to claim the device to your account.

4

Customise & Go

Rename the device, set pulse durations, configure automations, and invite other users — all from the app. OTA updates keep your firmware current automatically.

In-App Customisation

Everything is configurable.

The NexGen app gives you full control over every device setting — no firmware re-flash needed.

🏷️

Custom Names & Rooms

Rename any device and organise into rooms — Main Garage, Back Gate, Granny Flat, etc.

⏱️

Pulse & Lockout Timers

Configure how long the relay triggers and add a lockout period to prevent accidental double-triggers.

🔔

Custom Notifications

Set per-device notification rules — alert me if the garage is open for more than 5 minutes, or on any nighttime trigger.

👥

User Access Control

Invite family members, cleaners, or contractors with specific access windows and permission levels.

📅

Scheduled Access

Grant time-limited access — a contractor can only trigger the gate between 8am–5pm on weekdays.

🔄

OTA Firmware Updates

Keep all devices on the latest firmware automatically. New features appear in-app the same day they're released.

Shape the Product

Don't see what you need?

Submit a device or feature request and help us build the NexGen ecosystem you actually want.