Nanxin, Qinheng, Zhaoyi, Yatli...many good boards are free to review here!
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 For those who love boards, it is a happy thing to see a good board for free evaluation. Now, I want to tell you that there are many good board evaluation activities online in the forum recently. Will it make you excited? ?
What are some good board activities? Let's take a look first:
Southchip SC8905 evaluation board free evaluation, supports charging and discharging bidirectional operation
SC8905 EVM
SC8905 EVM is a demonstration and evaluation board for SC8905 high efficiency, synchronous, bidirectional buck charging/boost discharging, integrated power tube and I2C interface chip. Users can use this EVM board and I2C interface to conveniently adjust various parameters and evaluate the buck-boost charging, battery buck-boost discharging functions and various performance indicators of SC8905.
Click here to apply
Qinheng CH579M-R1 development board free evaluation, waiting for you to play!
CH579M-R1
Qinheng CH579M-R1 development board is used for testing and development of CH579 chip. It is equipped with host computer ISP tool, supports two ISP download modes of USB and serial port and SWD interface online programming and debugging, and provides application reference examples and demonstrations related to chip resources.
CH579 is an ARM core 32-bit microcontroller with integrated BLE wireless communication. It integrates low-power Bluetooth BLE communication module, Ethernet controller and transceiver, full-speed USB host and device controller and transceiver, segment LCD driver module, ADC, touch button detection module, RTC and other rich peripheral resources.
Features:
Click here to apply
GigaDevice GD32450I-EVAL free trial
GD32450I-EVAL
GigaDevice GD32450I-EVAL has rich onboard functions. In addition to the main controller based on the ARM Cortex-M4 processor, it also includes a 4.3-inch LCD module (480*272) with a resistive touch screen, a camera module, an audio circuit, ADC/DAC, a MicroSD card holder, an Ethernet interface, a button battery holder, 4 mechanical buttons, a USB HS/FS interface, GD-LINK, UART, CAN interface and other expansion interfaces. It can be said that it is very functional and is a development board that spans multiple fields of application.
Click here to apply
GigaDevice GD32307E-START free trial
GD32307E-START
GigaDevice GD32307E-START development board is equipped with GD32F307, the mainstream chip of GD32 ARM Cortex-M4 microcontroller. It is also one of the designated development boards for the "GigaDevice Cup" graduate electronic design competition that has just been held.
The main chip
GD32F307 Main Features
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Cortex-M4 core @ 120 MHz
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Support software and hardware DSP instructions
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Flash memory execution with zero wait states
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Internal flash memory from 256 KB to 3072 KB
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Built-in 48KB to 96KB SRAM
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EXMC interface supports external SDRAM
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Up to 5 UARTs (9Mbit/s)
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Up to 3 SPI (30Mbit/s)
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Up to 2 I2C (400Kbit/s)
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Up to 2 CAN2.0B
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Up to 2 I2S
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Support SDIO, Ethernet MAC
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Support USB OTG FS
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Up to three 12-bit, 2.6MSPS ADCs (up to 24 channels)
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Up to 2 DACs
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Standby current is 2uA
Click here to apply
Arteli AT32F403A& AT-LINK
Arteli Technology's AT32F403A series of high-performance microcontrollers are equipped with a 32-bit ARM Cortex-M4 core, and with advanced processes, they effectively improve overall performance to a computing speed of 240MHz. The built-in single-precision floating-point unit (FPU) and digital signal processor (DSP), with a rich set of peripherals and a flexible clock control mechanism, can meet the needs of a variety of applications. The perfect memory design can support up to 1MB flash memory (Flash) and 224KB random access memory (SRAM) . Its flash memory performs zero-wait performance, surpassing the industry's same-level chip level.
Peripherals:
Two 32-bit and eight 16-bit general-purpose timers to be featured
2 channels 12-bit AD
3 x IC
4 x SPI / IS (SPI up to 50MHz) (IS2/IS3 supports full-duplex)
4 x USART + 4 x UART (support ISO7816, LIN, IrDA interface and modem control)
2 x SDIO
Crystal-less USB2.0 full-speed interface
2 x CAN 2.0B
Encapsulation
48/64/100-pin LQFP
48-pin QFN
OS: Currently RT-thread supports it.
The event will be launched soon, please look forward to it~~
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