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Smart Voice-Controlled Clotheshorse with Connectivity

Overview

This smart clotheshorse system provides multiple control options, including voice control, Wi-Fi, Bluetooth® Low Energy (LE), and touch button control. The design features AC/DC circuitry, a buck regulator, and an LED driver to power the MCU, LED, and other peripheral modules. It also integrates N-channel MOSFETs and half-bridge drivers, providing a comprehensive and efficient approach to modern laundry drying management.

System Benefits​:

  • Supports voice recognition, Wi-Fi, and Bluetooth LE for versatile and convenient operation.
  • Utilizes a 100MHz Arm® Cortex®-M33 with capacitive touch sensing unit (CTSU) and voice recognition firmware.
  • High-performance power devices ensure efficient power and LED control.

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4:3 ratioSheet.280Sheet.1Sheet.2Sheet.3Sheet.4CN258CN258CN258PTC Heater & FanPTC Heater & FanPTC Heater & FanTriacTriacTriacLight LEDLight LEDLight LEDBuck LED DriverBuck LED DriverBuck LED DriverTemperature & Humidity SensorTemperature & Humidity SensorTemperature & Humidity SensorWi-Fi Bluetooth ModuleWi-Fi Bluetooth ModuleWi-Fi Bluetooth ModuleBuckBuckBuckMOSFET Driver x2MOSFET Driver x2MOSFET Driver x2MOSFET x4MOSFET x4MOSFET x4Sterilization ModuleSterilization ModuleSterilization ModuleGreenPAK LCD DriverGreenPAK LCD DriverGreenPAKLCD DriverDiodeDiodeDiodePhotocouplerPhotocouplerPhotocouplerDigital Offline PWM ControllerDigital Offline PWM ControllerDigital Offline PWM ControllerMotorSheet.80Sheet.81MMLCD/LED Segment DisplaySheet.83Sheet.84Sheet.85Sheet.86Sheet.87Sheet.88Sheet.89Sheet.90Sheet.91Sheet.92Sheet.93Sheet.94Sheet.95Sheet.96Sheet.97Sheet.98Sheet.99Sheet.100Sheet.101Sheet.102Sheet.103Sheet.104Sheet.105Sheet.106Sheet.107Sheet.108Sheet.109Sheet.110Sheet.111Sheet.112ONONSheet.113OFFOFFSheet.114Sheet.115Sheet.116Sheet.117Sheet.118Sheet.119Sheet.120Sheet.121Touch KeySheet.123Sheet.124Sheet.125Sheet.126Sheet.127Sheet.128Sheet.129Sheet.130Sheet.131MicrophoneSheet.133Sheet.134Sheet.158Transformer Inductor Iron CoreLine.841Inductor Air Core.212Sheet.138Sheet.139Sheet.140Sheet.141Sheet.142Sheet.143Sheet.144Sheet.145Sheet.146Line.29Transformer Inductor Coreless (Air conductor).148Sheet.149Sheet.150Sheet.151Sheet.152Sheet.153Sheet.154Sheet.155Sheet.156Sheet.157AC Power SourceSheet.33Alternating CurrentSheet.35Sheet.36Diode.316Sheet.38Sheet.39Sheet.40Sheet.41Sheet.42Sheet.45Sheet.46Sheet.47Sheet.49Sheet.50Sheet.185Sheet.186Sheet.208Sheet.209Sheet.210Sheet.211Sheet.212Sheet.213Sheet.214Sheet.215Sheet.216Sheet.217Sheet.218Sheet.219Sheet.220Sheet.221Sheet.222Sheet.223Sheet.224Sheet.225Sheet.226Sheet.228Sheet.230Sheet.231Sheet.232Sheet.233Sheet.235Sheet.236Sheet.237Sheet.238Sheet.239Sheet.241Sheet.242Sheet.243Sheet.244Sheet.245Sheet.246Sheet.247Sheet.248Sheet.249Sheet.250Sheet.253DC MotorDC MotorDC Motor12V12V12VTouch KeyTouch KeyTouch KeyDMIC Voice RecognitionDMIC Voice RecognitionDMIC Voice RecognitionLCDLCDLCD 3.3V3.3V3.3V 12V12V12V 24V24V24V AC/DCAC/DCAC/DCAC LineAC LineAC LineSheet.266Sheet.269Connector 1.164Connector 1.164.271DiodeSheet.273Sheet.274Sheet.275Connector 1.164.276Sheet.277HV MOSHV MOSHV MOSConnector 1.164.278Connector 1.164.279Sheet.281Sheet.283Sheet.284Sheet.285Sheet.286Main System ControlMain System ControlMain System ControlGPIOGPIOGPIOPWMPWMPWMSPISPISPII2CI2CI2CUARTUARTUARTPWMPWMPWM GPIOGPIOGPIOCTSUCTSUCTSU I2CI2CI2C

Buck LED Driver

Solid State Lighting Driver ICs

Main System Control

RA Arm Cortex-M MCUs
RA Arm Cortex-M MCUs

MOSFET Driver

Half-Bridge FET Drivers

MOSFET

Power MOSFETs

Wi-Fi Bluetooth Module

Low Power Wi-Fi
Low Power Wi-Fi

Buck

Buck Regulators (Integrated FETs)

GreenPAK LCD Driver

GreenPAK with Asynchronous State Machine
Application Note

Digital Offline PWM Controller

Solid State Lighting Driver ICs

Photocoupler

Low Input Current

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