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Beacon Module BLE 4.0 nRF51822 MetroQ MTQ 888 Digital Multimeter TPA3110 15W+15W Class D Stereo TPA3110 15W+15W Class D Stereo Audio Amplifier Module IoT Patient Monitoring System: Pair with an ESP32 and cloud platform (Blynk or conditional broadcasting logic based on environmental inputs major and minor values
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