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Advanced Low-Power Wireless HMI for Household Appliances

Overview

Description

As connected living spaces evolve, users expect household appliances to provide intuitive, accessible control options across multiple interfaces. This scalable human machine interface (HMI) design enables interaction through capacitive touch, voice commands, and wireless connectivity via Wi-Fi or Bluetooth® Low Energy (LE), allowing appliances to be managed effortlessly from anywhere in the home. With increasing energy regulations—especially for always-on systems—the design emphasizes low-power operation and high efficiency without compromising responsiveness.

System Benefits:

  • Scalable HMI design supports flexible integration across smart kitchen and home appliances.
  • High-efficiency, low-power operation optimizes performance for always-on home systems.
  • Integrated audio and wireless connectivity enable clear voice control and remote appliance management via Wi-Fi 6 and Bluetooth LE 5.1.
  • Globally certified Wi-Fi 6 and Bluetooth LE module with FCC, IC, CE, Telecom, KCC, and SRC ensures fast compliance and reduced time to market.

Comparison

Applications

Block Diagram

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WebLine.37LineLine.54Line.72Line.87Touch KeySheet.6Sheet.7Sheet.8Sheet.9Sheet.10Sheet.11Sheet.12Sheet.13Sheet.14LCD (TFT-LCD)Block.120TFT-LCDTFT-LCDTFT-LCDSheet.18Sheet.19Sheet.20Sheet.21BuzzerBuzzerBuzzerVertical Wire Bundle nnnSheet.29Line.33Wake-upWake-upWake-up3.3V3.3V3.3VLine.44Connector 1.160Line.47Line.48Line.49Line.50 3.3V3.3V3.3V4.5-60V4.5-60V4.5-60VVertical Wire Bundle.55222Sheet.57Vertical Wire Bundle.58444Sheet.60Line.61Connector 1.623.3V3.3V3.3VConnector 1.65Line.66Line.67Line.68Connector 1.69 3.3V3.3V3.3VLine.82Line.8340MHz40MHz40MHzLine.90Line.93Line.94Line.98Sheet.99Sheet.100Sheet.101Sheet.102Sheet.103Sheet.104Sheet.105Line.106Line.10732.768kHz32.768kHz32.768kHzLine.111MicrophoneSheet.114Sheet.115Line.117Line.139Line.140Connector 1.141Line.142Line.143Line.144Connector 1.145Line.146Board - OptionalLine.149Line.152Line.153Line.155Line.157Connector 1.159Line.160Connector 1.161 3.3V3.3V3.3VVertical Wire Bundle.163222Sheet.165Vertical Wire Bundle.169nnnSheet.171Vertical Wire Bundle.172nnnSheet.174Connector 1.177 0.95V0.95V0.95VLine.179Connector 1.180Sheet.181Sheet.182Sheet.183Sheet.184Sheet.185Sheet.186Sheet.187Line.189Line.190 0.8V0.8V0.8VLine.192Connector 1.193Line.194Line.195Connector 1.196Line.197Line.198Line.199Connector 1.200Line.202Connector 1.203Line.204Line.205Line.206Line.207Connector 1.2081.8V1.8V1.8V 3.3V3.3V3.3VOptional Audio AI Voice ActivationOptional Audio AI Voice ActivationOptional Audio AI Voice ActivationLine.214Line.215 3.3V3.3V3.3VConnector 1.217Connector 1.218Temperature/ Humidity SensorTemperature/ Humidity SensorTemperature/ Humidity SensorGas SensorGas SensorGas SensorIAQIAQIAQAudio CodecAudio CodecAudio CodecAudio Co-ProcessorAudio Co-ProcessorAudio Co-ProcessorWS058WS058WS058PhotocouplerPhotocouplerPhotocouplerPhotocouplerPhotocouplerPhotocouplerBuckBuckBuck LDOLDOLDOLDOLDOLDOLDOLDOLDOSheet.257MCUMCUMCUCTSUCTSUCTSUI2CI2CI2C GPIOGPIOGPIOSheet.258Wi-Fi 6 / Bluetooth LE ModuleWi-Fi 6 / Bluetooth LE ModuleWi-Fi 6 / Bluetooth LE ModuleI2CI2CI2CIRQIRQIRQVDDVDDVDDSPISPISPIPWMPWMPWMXTALXTALXTALControlControlControlFeedbackFeedbackFeedbackI2SI2SI2SRTCRTCRTCLine.126Antenna.127Sheet.128Sheet.129Sheet.130Sheet.131Sheet.132Line.133BLE PHYBLE PHYBLE PHYLine.137Line.138Wi-Fi 6 PHYWi-Fi 6 PHYWi-Fi 6 PHY
Exiting Interactive Block Diagram

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