STC3105 based battery monitoring demonstration board with alarm output for gas meter applications
With voice recognition function, you can use voice to search for weather, as well as radio, temperature and humidity, calendar and other functions.
You can use the Bluetooth and MSP430 audio source reference designs to create a variety of applications for low-end, low-power audio solutions, including toys, projectors, smart remote controls, and a variety of audio playback accessories. This reference design is an affordable audio implementation with complete design files, allowing you to focus on application and end product development. This reference design is also available with the TI Bluetooth Stack.
This reference design provides design guidance, data, and other content for a 3-phase multilevel inverter with 5-level output. It uses 150V MOSFET to drive AC 200V motor.
The 1000W Class D Audio Amplifier Reference Design provides examples of audio amplifiers and push-pull power converters. It runs using the KV1x Tower® Series platform or the k64 Freedom board.
STM32 Nucleo-144 development board using STM32H743ZI MCU, supports Arduino, ST Zio and morpho connections
According to my previous tests, the continuous read and write speeds of ST-Link V2 and Jlink V8 are around 160KB/S. However, most CMSIS-DAP debuggers are limited to full-speed HID and the speed is difficult to increase. The continuous read and write speed of DAPLINK+ OpenOCD The speed is only 23KB/S. At the beginning of the year, I tried to use NUC505 for CMSIS-DAP. 505 should be the cheapest integrated USB HS PHY microcontroller on the market. The high-speed HID message can be set to 1024Byte, and the sending and receiving interval is 125uS. There is no bottleneck in the USB part. However, its SPI module is very slow. After a transmission is completed, it will wait for several CLKs before triggering the completion flag. Even if the CLK is increased to 14MHz, the continuous read and write speed is only 150KB/S, which can only be said to be dead wood. It cannot be carved. The protagonist this time, GD32F350, I learned about it last year. I heard that it is the same price as GD32F150. The USB part has been changed to DWCOTG, and the execution speed of the last 32KB code will not be snail. After reading the datasheet in detail, I found that the internal 48M clock can be calibrated through the USB SOF signal, so that a crystal oscillator is not needed. The price is said to be as low as 30 cents in bulk. Well, it’s just so-so. Anyway, I bought 3pcs on Taobao for a total of 21 yuan. In general, it "seems" to be a super low-price solution, similar to the SPI design of the ST-LinkV2 main chip, and may be able to reach the mainstream speed indicator of 160KB/S, so it is worth a try.
Wi-Fi Extension for SensorTile Wireless Industrial Node (STWIN) Kit
Schematic diagram and pcb of RTL8306 switch, where the schematic diagram is orcad and the pcb is ad10.
The Vienna rectifier power topology is used in high power three-phase power factor (AC-DC) applications such as off-board EV chargers and telecom rectifiers. Rectifier control design can be complex. This design illustrates the use of a C2000™ microcontroller (MCU) to control a power stage. Monitoring and control of Vienna rectifiers is also implemented based on HTTP GUI pages and Ethernet support (F2838x only). The hardware and software used with this design can help you reduce your time to market. The Vienna rectifier power topology is used in high-power three-phase power factor correction applications such as off-board electric vehicle charging and telecom rectifiers. This design illustrates how to use a C2000 microcontroller to control a Vienna rectifier. The Vienna rectifier power topology is used in high power three-phase power factor (AC/DC) applications such as off-board electric vehicle (EV) chargers and telecom rectifiers. Rectifier control design can be complex. This design illustrates the use of a C2000™ microcontroller to control a power stage. The hardware and software used with this design can help you reduce your time to market. The Vienna rectifier power topology is used in high-power three-phase power factor correction applications such as off-board electric vehicle charging and telecom rectifiers. This design illustrates how to use a C200-MCU to control a Vienna rectifier. Learn more about what C2000 MCUs can offer for electric vehicle applications
IQ demodulator-based IF to baseband receiver with variable IF and baseband gain and programmable baseband filtering
This reference design implements Class 0.1 split-phase energy metering using a high-performance, multi-channel analog-to-digital converter (ADC). An independent ADC samples the current transformer (CT) output at 8kHz and measures the current and voltage at each branch of the main AC power supply. The reference design achieves high accuracy over a wide input current range (0.05 – 100 amps) and supports high sampling frequencies when necessary to enable advanced power quality features such as independent harmonic analysis. Using a stand-alone ADC to sample the CT output gives designers more flexibility in selecting a metrology microcontroller than an integrated SoC and application-specific dedicated products. This reference design uses the SimpleLink™ ARM Cortex-M4 host microcontroller to calculate energy metering parameters. The design can also use an ADC sampling rate of 32ksps by enabling only a subset of the total energy measurement parameters.
15 V/200 mA step-down converter based on VIPER122
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