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Demo board template - ISD2361

  • Nuvoton Smart Amplifier Product Demo Part 1
    Watch time - 5:11
    Loudspeakers are highly nonlinear and time-variant systems. Signal distortion, heating, aging, climate and other external influences limit the maximum level and the quality of the reproduced sound. This video shows how Nuvoton smart amplifier can greatly improve the speaker performance and the sound quality by offering mechanical & thermal protection, automatic system alignment, active compensation of transducer nonlinearities, and active stabilization of the voice coil rest position based on the Klippel Controlled Sound (KCS) technology.
    #DSP #NAU83G20 #Nonlinear #NAU83G10 #Smart Amplifier #Class D #Voice Coil #Distortion #Nuvoton #Speaker Protection #Klippel #Klippel Controlled Sound #Rest Position #KCS #Audio
  • Nuvoton Smart Amplifier Product Demo Part 2
    Watch time - 5:10
    Loudspeakers are highly nonlinear and time-variant systems. Signal distortion, heating, aging, climate and other external influences limit the maximum level and the quality of the reproduced sound. This video shows how Nuvoton smart amplifier can greatly improve the speaker performance and the sound quality by offering mechanical & thermal protection, automatic system alignment, active compensation of transducer nonlinearities, and active stabilization of the voice coil rest position based on the Klippel Controlled Sound (KCS) technology.
    #DSP #NAU83G20 #Nonlinear #NAU83G10 #Smart Amplifier #Class D #Voice Coil #Distortion #Nuvoton #Speaker Protection #Klippel #Klippel Controlled Sound #Rest Position #KCS #Audio
  • NuMicro M251/M252 Series (2) Technical Features - Programmable Serial I/O (PSIO)
    Training  Tool  Learning  Watch time - 5:9
    Hello everyone, I am Chris, the field application engineer from Nuvoton Technology. Today, I will introduce the application and principle of programmable seriel I/O aka PSIO on M251/M252. The programmable serial I/O of NuMicro M251/M252 series can generate arbitrary waveforms and combine them to achieve data transmission and reception of specific serial communication protocols. Of course, standard serial communication can also be achieved, such as UART SPI I2C Usually, it is common to use Timer+GPIO to achieve these specific communication protocols, but it is more complicated and requires frequent CPU intervention. When we use PSIO, this not only simplifies the complexity of the operation but also reduces the burden on the CPU. The saved CPU performance could be distributed in other places. Since all hardware operations do not require software intervention, the timing control is more precise. The principle of PSIO is to use a slot controller to control the pin input and output or determine the state, and it can also control the duration of these states. Each slot controller has eight slots, which can be used as eight settings, and the registers corresponding to each slot can access the data that needs to be input and output, and can also set the time for the current pin to maintain this state. Each slot can reach a checkpoint, usually 1 to 1, 2 to 2, 3 to 3, and so on. Each checkpoint can set the pin status of the corresponding slot within the corresponding time. Next, let’s take a look at a simple output-only example In the initial stage, we first set the state of the pin to be high before SLOT has started, so the output is high Then when the Slot controller receives the start signal, SLOT0 is set to output low level according to the setting of CP0 and waits for the time of SLOT0 to expire. Then SLOT1 is set to output low level according to the setting of CP1 and waits for the time of SLOT1 to expire. And so on, followed by SLOT2 output low level SLOT3 low level SLOT4 high level SLOT5 high level After SLOT5, since SLOT6 is not set, the waveform of the protocol can be completed with only six slots Between the time of the next data transmission, we set the interval low, so the output is low at this time Users can complete different protocols according to these simple operations. In the related resources section, we have provided two PSIO application notes. There are two protocol examples with more detailed operations and descriptions. If you want to know more details about PSIO, please download it from the URL in the video. Several sample codes of different protocols are also provided in BSP. That’s all for this tutorial. Thank you for watching it. Welcome to subscribe to our channel. If you want to know more information, please contact us. #Tool #Training #Learning #Intermediate #en - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/numaker-m251sd Contact us: SalesSupport@nuvoton.com
    #Training #Learning #M252 #M251 #Intermediate #en #PSIO #Tool
  • Embedded World 2022 ML56 - Thermostat utilizing Touch Key
    Product  Learning  Watch time - 9:3
    Nuvoton announced the latest ML51/ML54/ML56 microcontroller, built-in capacitive touch sensing, LCD driver highly integrated low power platform. Based on 1T 8051 core, running up to 24MHz, the power consumption in normal run mode is 80uA/MHz, lower than 1uA in power down mode the power consumption while power down with LCD on is lower than 20uA. 0:00 intro 0:37 NuMicro 8051 Microcontroller 1:38 ML51/ML54/ML56 Product Portfolio 2:18 ML51/ML54/ML56 Features 3:27 Broad Scalability 4:05 Provide 4 Different Power Modes 4:44 LCD Driver Feature 5:52 Touch Key Features 7:05 Target Applications #Product #Learning #Basic #en #ML51 #ML54 #ML56 #8051 #LowPower #LCD-Driver #HumanMachineInterface #HMI #TouchKey-IC #HomeAppliance #EmbeddedWorld2022 - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/low-power-8051-series/ Contact us: SalesSupport@nuvoton.com
    #Basic #Home appliance #ML56 #HMI #NuMicro #LowPower #LCD-Driver #Product #en #EmbeddedWorld2022 #human machine interface #Embedded World 2022 #8051 #HumanMachineInterface #TouchKey-IC #Learning #LCD driver #Nuvoton #touch key IC #HomeAppliance #ML51/ML54/ML56 series #low power #ML54 #ML51
  • NuMaker-IoT-M487 (10) Connect to AWS IoT service
    Training  Tool  Learning  Watch time - 5:53
    Hello everyone, I am Morgan, the principal engineer of Nuvoton Technology. Today, I will show you how to connect to AWS IoT service using MbedOS on NuMaker-IoT-M487 development board The sample code is on GitHub, the URL is https://github.com/OpenNuvoton/Mbed-to-AWS-IoT To avoid typos, use keyword “OpenNuvoton” to search on google. Find the Nuvoton on GitHub, and click it On the Nuvoton GitHub page, use AWS as keyword to search the sample code: Mbed-to-AWS-IoT Right click to copy the URL for later use. Then enter the URL https://ide.mbed.com After log in, make sure the NuMaker-IoT-M487 board has selected in the upper right corner. If not, please refer Nuvoton IoT Tutorial series “Get Started with Mbed OS”. There is detailed description of how to add a board. Click the “Import” on the left of menu bar. In the “Import Wizard”, click “Click here” Please paste or key in the sample code URL to “Source URL:”, Select Import as “Program” Click “Import Name”, the project name “Mbed-to-AWS-IoT” will be filled automatically. Then click “Import”. After sample code imported, click “mbed_app.json” to open it. To use Wi-Fi, you have to configure SSID and password to match your Wi-Fi AP setting. In NuMaker_IOT_M487 session of mbed_app.json file, find the “wifi-ssid” to set your SSID. It is at line 44. And then set password to “wifi-password”. It is at line 45. Save it and click “Compile” to build the code. It takes time to compile code, please wait. You need an AWS account to use AWS IoT Core service. To create a thing, a policy, and certificates, then put the certificate to MQTT_server_setting.h file in the sample code. The sample code has included a certificate provided by Nuvoton for test only, so that you can quickly operate this example. If you don’t have an AWS account, it is recommended that you apply for an account and use your certificates in the example to observe the connection status on AWS IoT console page. After completed, “Success” will appear in the compile output window. The browser downloads the binary firmware file directly after a successful compiling. It will be saved in a default download folder. In Chrome, you can click download file and select “Show in folder”. Then we connect the NuMaker-IoT-M487 USB port to your computer. Please find the virtual COM port assigned for NuMaker-IoT-M487 in Device Manager. In the tutorial, the “Nu-Link Virtual Com Port” is COMx. Then use your favorite terminal tool. Here we use Putty. Open the COMx port with 115200 baud rate. And no flow control settings. Then “Open” it. Back to the folder you just download the binary firmware file (Mbed-to-AWS-IoT.NUMAKER_IOT_M487.bin). Drag and drop the file to NuMicro MCU drive. You will see the copying progress dialog box. You can see the messages on terminal. The device has acquired IP address from Wi-Fi AP, then successfully connect to AWS IoT and subscribe a topic. Then press button (SW2) on board to send a message. You can see the message published to server and received a message from server. That’s all for this tutorial. Thank you for watching. Welcome to subscribe to our channel. If you want to get more information, please contact us “SalesSupport@nuvoton.com” - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-iot-m487 Contact us: SalesSupport@nuvoton.com #tool #training #learning #intermediate #en
    #MbedOS #Nuvoton #M487 #intermediate #en #NuMaker #training #learning #AWS #tool #IoT
  • Chili board – Complete Ethernet and webserver, USB camera, and NFS functions within 5 mins
    Application  Learning  Watch time - 4:3
    The purpose of video is to demonstrate functions of NuMaker-RTU-NUC980 within 5 minutes, including Ethernet webserver, Wi-Fi webserver, USB camera, and NFS function. If you get the NuMaker-RTU-NUC980 board, you can follow this video to implement all the functions #application #learning #intermediate #en - For more information, please visit: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-rtu-nuc980?search_query=Chili&results=1 Contact us: SalesSupport@nuvoton.com
    #Ethernet webserver #USB camera #application #NuMaker-RTU-NUC980 #intermediate #en #learning #NFS function #Wi-Fi webserver
  • Nuvoton Chili board with Linux OS, featured in it's compact size, rapid in development
    Application  Learning  Watch time - 1:30
    Nuvoton provides a new development platform, Chili. Chili is designed by NUC980 family. A user can begin application developing within 15 minutes once receiving this PCB. This PCB is very small and can be easily installed into another system after development complete. It is suitable for some remote control or IoT applications. #application #learning #intermediate #en - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-rtu-nuc980?search_query=Chili&results=1 Contact us: SalesSupport@nuvoton.com
    #Chili #NuMicro #en #learning #Cross Complier #IoT #NUC980 #Nuvoton #Linux #application #Industrial IoT #intermediate #MCU
  • Introduction to Nuvoton NAU82011VG Mono 3.1W Class-D Amp
    Watch time - 3:32
    The NAU82011YG is a highly efficient, filter-free, mono Class-D audio amplifier with variable gain, which is capable of driving a 4Ω load with up to 2.9W output power. This device provides chip enable pin with extremely low standby current and fast start-up time of 4ms. The NAU82011YG is ideal for battery driven portable applications. NAU82011YG features 91% efficiency, low quiescent current (i.e. 1.25mA at 3.6V) and superior EMI performance. The audio input of this device can be configured as either single-ended or differential input mode. Target Applications: • Portable Audio Device/Speaker • Portable Navigation Device • Tablet PC Key Features: • Audio Input - Differential / Single-end input - DC PSRR Typ.@95dB - CMRR Typ.@63dB • Audio Output - Powerful Mono Class-D Amplifier - 2.9W (4Ω @ 5V, 10% THD+N) - 2.3W (4Ω @ 5V, 1% THD+N) - Low Output Noise: 20 μVRMS • Advance Feature - Low Current Shutdown Mode - Click-and Pop Suppression - Integrated Image Reject Filter - Integrated feedback resistor of 300 kΩ • Operating Characteristics - voltage range: 2.5 V to 5.5 V - Temperature range: -40°C to 85°C - Low Quiescent Current: 1.2mA@3.6V, 1.7mA@5V • Package - WLCPS-9
    #Thermal Protection #High Efficiency #Class-D #portable audio device #wireless headset #WLCPS-9 #variable gain #NAU82011VG #GPS #Amplifier #PDA
  • NuMaker-IoT-M487 (9) Record and Play audio on Mbed OS
    Training  Tool  Learning  Watch time - 5:0
    Hello everyone, I am Morgan, the principal engineer of Nuvoton Technology. Today, I will show you how to record and play audio with Mbed OS on NuMaker-IoT-M487 development board. Open Chrome browser, and enter the URL https://ide.mbed.com to use the Mbed Online Compiler. After log in, make sure that NuMaker-IoT-M487 board already selected in the upper right corner. If not, please refer Nuvoton IoT Tutorial series “Get Started with Mbed OS” which has a detailed description of how to add a board. Click the “New” on the left of menu bar, a “Create new program” window will be displayed. You can see that the Platform has been set to NuMaker-IoT-M487. In the Template, select the "NuMaker audio playback" for this tutorial. Then click OK. Now you can see that the sample code has loaded on the page. The sample code has three functions: 1. Record 10 seconds sound and save to Micro SD card 2. Play sounds stored in Micro SD card 3. Loopback. Record sound and play it immediately. Click main.cpp to open it. Then scroll down to line 421. You can see the functions calls here. It set to loopback only. Let’s do a little modification. Hit a key on console to start record 10 seconds then play it, and then do loopback. printf("Press a key to start recording 10 seconds..."); getchar(); demo_record(); demo_play(); demo_loopback(); Save it and click “Compile” to build the code. Compilation takes a while, please wait. After the compilation is completed, “Success” will appear in the compile output window. The browser downloads the binary firmware file directly after a successful compiling. It will be saved in a default download folder. In Chrome, you can click download file and select “Show in folder”. Please plug an earphone commonly used for mobile phone in headphone jack on NuMaker-IoT-M487 board. For demonstration, we use a headphone splitter cable to connect a microphone and a speaker. Do not put the microphone and speaker too close to avoid feedback howling. Then connect the USB port to your computer and make sure the onboard LED lights up. Back to the folder you just download the binary firmware file (NuMaker-mbed-AudioPlayback-example.NUMAKER_IOT_M487.bin). Drag and drop the file to NuMicro MCU drive. You will see the copying progress dialog box. Please find the virtual COM port assigned for NuMaker-IoT-M487 in Device Manager. In the demonstration, the “Nu-Link Virtual Com Port” is COMx. Then use your favorite terminal tool. Here we use Putty. Open the COMx port with 9600 baud rate. And no flow control settings. Then “Open” it. Press “Reset” on board to run the firmware again. Press a key on terminal to start record. Speak for about 10 seconds, then your voice will be played. That’s all for this tutorial. Thank you for watching. Welcome to subscribe to our channel. If you want to get more information, please contact us “SalesSupport@nuvoton.com” - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-iot-m487 Contact us: SalesSupport@nuvoton.com #tool #training #learning #intermediate #en
    #intermediate #en #training #learning #tool
  • NuMaker-IoT-M487 (8) Use SD Card on Mbed OS
    Training  Tool  Learning  Watch time - 3:55
    Hello everyone, I am Morgan, the principal engineer of Nuvoton Technology. Today, I will show you how to use SD card with Mbed OS on NuMaker-IoT-M487 development board. Open Chrome browser, and enter the URL https://ide.mbed.com to use the Mbed Online Compiler. After log in, make sure that NuMaker-IoT-M487 board already selected in the upper right corner. If not, please refer Nuvoton IoT Tutorial series “Get Started with Mbed OS” which has a detailed description of how to add a board. Click the “New” on the left of menu bar, a “Create new program” window will be displayed. You can see that the Platform has been set to NuMaker-IoT-M487. In the Template, select the "NuMaker SD-File-System with SD mode" for this tutorial. Then click OK. Now you can see that the sample code has loaded on the page. LittleFS uses less memory, supports power failure protection. However, LittleFS is different from the FAT file system, so after uses littleFS, the SD card will be formatted as LittleFS. The sample code uses FAT file system as default. Just click “Compiler” to build the example. It is in compiling, please wait a moment. After the compilation is complete, “Success” will appear in the compile output window. The browser downloads the binary firmware file directly after a successful compiling. It will be saved in a default download folder or the folder based on your browser setting. In Chrome, you can click download file and select “Show in folder”. Please insert a micro SD card into the card slot on the back of NuMaker-IoT-M487 board, then connect the USB to your computer and make sure the onboard LED lights up. Let’s back to the folder you just download the binary firmware file (NuMaker-mbed-SD-FileSystem-example.NUMAKER_IOT_M487.bin). Drag and drop the file to NuMicro MCU drive. You will see the copying progress dialog box. Please find the virtual COM port assigned for NuMaker-IoT-M487 in Device Manager. In the demonstration, the “Nu-Link Virtual Com Port” is COMx. Then use your favorite terminal tool. Here we use Putty. Open the COMx port with 115200 baud rate And no flow control settings. Then “Open” it. Press “Reset” on board to run the firmware again. You can see the messages on terminal while accessing SD card. That’s all for this tutorial. Thank you for watching. Welcome to subscribe to our channel. If you want to get more information, please contact us “SalesSupport@nuvoton.com” - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-iot-m487 Contact us: SalesSupport@nuvoton.com #tool #training #learning #intermediate #en
    #intermediate #en #training #learning #tool
  • NuMaker-IoT-M487 (7) Control Temperature sensor on Mbed OS
    Training  Tool  Learning  Watch time - 4:32
    Hello everyone, I am Morgan, the principal engineer of Nuvoton Technology. Today, I will show you how to control the temperature and humidity sensor with Mbed OS on NuMaker-IoT-M487 development board. For this tutorial, we choose the “Thermo 6 Click” board. It is a mikroBUS board with a MAX31875 sensor. It is easy to install on NuMaker-IoT-M487 board because it has a mikroBUS connector. The part of control code refer from community, it is easy and quick to be integrated into real application. Open Chrome browser, and enter the URL https://ide.mbed.com to use the Mbed Online Compiler. After log in, make sure that NuMaker-IoT-M487 board already selected in the upper right corner. If not, please refer Nuvoton IoT Tutorial series “Get Started with Mbed OS” which has a detailed description of how to add a board. Click the “New” on the left of menu bar, a “Create new program” window will be displayed. You can see that the Platform has been set to NuMaker-IoT-M487. In the Template, select the "NuMaker Thermo-Sensor MAX31875 " for this tutorial. Then click OK. Now you can see that the sample code has loaded on the page. The sample code includes the MAX31875 control from community, declares an I2C object used on NuMaker-IoT-M487’s mikroBUS and a sensor object with the I2C object. Get the temperature value then print it. No modification needed, just click “Compile” to build the sample code. It is in compiling, please wait a moment. Then you can see the last message is “Success!” after compile completed. The browser downloads the binary firmware file directly after a successful compiling. It will be saved in a default download folder or the folder based on your browser setting. In Chrome, you can click download file and select “Show in folder”. Now is the time to install the Thermo 6 Click temperature and humidity sensor board on the mikroBUS, please pay attention to the correct orientation of the board. Then we connect the NuMaker-IoT-M487 USB port to your computer and make sure the onboard LED lights up. Let’s back to the folder you just download the binary firmware file (NuMaker-mbed-Sensor-MAX31875.NUMAKER_IOT_M487.bin). Drag and drop the file to NuMicro MCU drive. You will see the copying progress dialog box. Please find the virtual COM port assigned for NuMaker-IoT-M487 in Device Manager. In the tutorial, the “Nu-Link Virtual Com Port” is COMx. Then use your favorite terminal tool. Here we use Putty. Open the COMx port with 115200 baud rate And no flow control settings. Then “Open” it. You can see the current temperature in Celsius and Fahrenheit printed on terminal. That’s all for this tutorial. Thank you for watching. Welcome to subscribe to our channel. If you want to get more information, please contact us at SalesSupport@nuvoton.com - For more information, please visit: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-iot-m487 Contact us: SalesSupport@nuvoton.com #tool #training #learning #intermediate #en
    #intermediate #en #training #learning #tool
  • NuMaker-IoT-M487 (5) Connect to Pelion Device Management on Mbed OS
    Training  Tool  Learning  Watch time - 8:37
    NuMaker-IoT-M487 (5) Connect to Pelion Device Management on Mbed OS Hello everyone, I am Morgan, the principal engineer of Nuvoton Technology. Today, I will show you how to connect to Pelion Device Management with Mbed OS on NuMaker-IoT-M487 development board. Because the demonstration needs to store certificate, a MicroSD card is required. Open Chrome browser, enter the URL https://cloud.mbed.com/quick-start If you didn’t use Pelion Device Management before, you need to activate your Mbed account to access Pelion. Click the “Activate your free access”. Then log in your Mbed account. Click “Activate Pelion Device Management account“… Select the “Start the Connect Tutorial” Then scroll down to select NuMaker-IoT-M487 (WiFi) --After selected, scroll down and click “Get started”-- If you have completed previous tutorial, the NuMaker-IoT-M487 board has been selected in your Mbed account. Please click the “2.2” to import the Pelion Connect Tutorial into your Online Compiler. It shows the import dialog box, please click Import. Wait for a moment while importing the sample code. Click “mbed-os-example-pelion” project name, Then click “Pelion Device Management” on menu bar, select “Manage Connect Certificates” in pull-down menu to create a Pelion certificate. You need to provide API key. You can create a new one here. Log in your mbed account. Accept Then click New API key Assign an API Key name Click Close After created an API key, back to online compiler, Then click Manage Connect Certificate again. API Key automatically filled here. Click OK. Click “Create”, then assign a name for the certificate. Click OK. Click the certificate just created to select it, then click OK. The online compiler will automatically update source code with the selected certificate. Click “Pelion Device Management” on menu bar again, select “Apply Update Certificate”. An “Update Certificates” dialog box appears. Create it. Click Download Private Key and save it. Please make sure that NuMaker-IoT-M487 board already selected in the upper right corner. If not, please refer Nuvoton IoT Tutorial series “Get Started with Mbed OS” which has a detailed description of how to add a board. In order to use Wi-Fi, you have to configure SSID and password to match your Wi-Fi access point setting. In the mbed_app.json file, the default Wi-Fi security set to WPA and WPA2 in “nsapi.default-wifi-security” field. Please modify the field “nsapi.default-wifi-ssid” to your Wi-Fi SSID Then modify “nsapi.default-wifi-password” to your Wi-Fi password. Click on “Compile” to build it. Have to wait for a while. Then you can see the last message is “Success!” at the bottom of this page. The browser will download the binary firmware file directly after a successful compiling. It will be saved in a default download folder or the folder based on your browser setting. In Chrome, you can click download file and select “Show in folder”. Then we connect the NuMaker-IoT-M487 USB port to your computer and make sure the onboard LED lights up. Let’s back to the download folder where you can see the binary firmware file (mbed-os-example-pelion.NUMAKER_IOT_M487.bin). Drag and drop the file to NuMicro MCU drive. You will see the copying progress dialog box. Please find the virtual COM port assigned for NuMaker-IoT-M487 in Device Manager. In the tutorial, the “Nu-Link Virtual Com Port” is COMx. Then use your terminal tool. Here we use Putty. Open the COMx port with 115200 baud rate, 8 bits, 1 stop bit, none parity, and no flow control settings. Then “Open” it. Press Reset button on board to run again. You can see the connection messages printed on terminal. It shows the board’s IP address obtained from the Wi-Fi access point, and the Endpoint Name. Then you can see the device resource in Pelion Device Management Portal. Log in Pelion Portal with the same Mbed account. Click Device directory. Find the device ID which should be registered state. Click the Device ID, it shows the Device details. Click RESOURCES, find the resource 3200/0/5501. Click the resource. Now, you can press keys in terminal to increase the counter. Or the counter automatically increase 1 by one second. The demo code also updates the counter to Pelion. You will see the value change in the graph. That’s all for this tutorial. Thank you for watching. Welcome to subscribe to our channel. If you want to know more information, please contact us at SalesSupport@nuvoton.com - For more information, please visit Nuvoton Technology Website: https://bit.ly/3hVdcmC Buy now: https://direct.nuvoton.com/tw/numaker-iot-m487 Contact us: SalesSupport@nuvoton.com #tool #training #learning #intermediate #en
    #intermediate #en #training #learning #tool

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