An ESP32-S3 reads a PMS5003 dust sensor and an SCD40 CO2 sensor, then publishes JSON over MQTT to HiveMQ public broker. Includes Grafana dashboard JSON.
IoT PREMIUM $14.99
ESP32 Air Quality Monitor (PM2.5 + CO2)
WiFi-connected sensor that publishes PM2.5 and eCO2 to a free MQTT dashboard.
Advanced 6-8 hoursBY ECOTECH TEAM
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