Como construir uma interface via WhatsApp em Node.JS para controlar dispositivos IoT
summary
A working jacuzzi controller connects an ESP32 with a waterproof DS18B20 temp probe and dual relays, uses PlatformIO to build firmware that polls sensors every 5s, enforces safety (max 40°C, pump off without water), and mirrors state as a cloud “digital twin.” The cloud uses an MQTT-backed IoT platform and streaming webhooks to schedule auto‑shutdown and relay sequences; a Node.js backend exposes actions and a Twilio WhatsApp sandbox + Studio flow accepts commands from WhatsApp and it demos on/off and temperature set successfully.
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chapters (13)
- 0:00Start
- 10:07Platform Io
- 12:47Create a New Project
- 14:40Hardware
- 24:46Temperature Sensor
- 26:19Pin Outs
- 1:02:57Output Streams
- 1:08:45Delay Modes
- 1:20:53Configure Sandbox
- 1:21:21Twilio Studio
- 1:28:15Set Variables
- 1:34:37Sending the Http Request to My Device
- 1:59:45When Is the Next Twilio Festival
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