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Description
Waveshare Core405R, STM32F4 Core BoardOverview 1. Core405R is an STM32 MCU core board designed for STM32F405RGT6, supports further expansion. It is ideal for starting application development with STM32F family. 2. Minimal ready to run system, integrates clock circuit, USB control circuit, USB connector, 3. etc. 3. All the I O ports are accessible on the pin headers 4. JTAG SWD programming debugging interface 5. 2. 54mm header pitch, allowed to be plugged in your application board What has
Overview1. Core405R is an STM32 MCU core board designed for STM32F405RGT6, supports further expansion. It is ideal for starting application development with STM32F family.
2. Minimal ready-to-run system, integrates clock circuit, USB control circuit, USB connector, 3. etc.
3. All the I/O ports are accessible on the pin headers
4. JTAG/SWD programming/debugging interface
5. 2.54mm header pitch, allowed to be plugged-in your application board
What has On Board
1. STM32F405RGT6: The high performance STM32 MCU which features:
- Core: Cortex-M4 32-bit RISC
- Operating Frequency: 168MHz, 210 DMIPS/1.25 DMIPS/MHz
- Operating Voltage: 1.8V-3.6V
- Package: LQFP64
- Memories: 1MB Flash, 192+4kB SRAM
- MCU communication Interfaces:
-- 3 x SPI, 4 x USART, 2 x UART, 2 x I2S, 3 x I2C, 1 x SDIO, 2 x CAN
--1 x USB 2.0 HS/FS device/host/OTG controller with dedicated DMA, on-chip full-speed PHY
--1 x USB HS ULPI (external PHY required)
- AD & DA converters: 3 x AD (12-bit, 1μs, shares 16 channels); 2 x DA (12-bit)
- Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP
2. AMS1117-3.3: 3.3V voltage regulator
3. MIC2075-2: onboard USB power management device
4. Power supply switch, powered from 5Vin or USB connection
5. Boot mode selection, for configuring BOOT0 pin
6. Power indicator
7. VBUS LED
8. Reset button
9. 8M crystal
10. 32.768K crystal, for internal RTC with calibration
11. JTAG/SWD interface: for debugging/programming
12. USB connector, used for establishing USB communication between PC and the STM32 development board
13. MCU pins expander, VCC, GND and all the I/O pins are accessible on expansion connectors for further expansion
14. 5Vin pinheader, 5V power supply is required when using USB HOST/OTG
15. USB jumper
- Short the jumper when using USB
- Open the jumper to disconnect from related I/O port
16. VBAT selection jumper
- Short the jumper to use system power supply
- Open the jumper to connect the VBAT to external power, such as battery
Package Contents
1. Core405R x 1
2. USB type A to Mini-B cable x 1
3. Software CD x 1
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
So comfy, i brought 3 after first order. Good quality
Size: Large, Color: Dark Green
I loved it, so comfy for nighttime and day time indoor wear
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Cómodos, frescos y con un estilo increíble
Size: Medium, Color: 1 White
Estos pantalones superaron mis expectativas 😍 Se ven muy bien puestos, tienen un estilo moderno pero a la vez cómodo, perfecto para el día a día o para salir.
La tela es ligera y fresca, ideal para el calor, y lo mejor es que no incomodan para nada. Se ajustan bien al cuerpo sin apretar demasiado, lo que los hace súper cómodos para usarlos por horas.
Además, la calidad se siente buena y se ven más caros de lo que realmente son. Definitivamente una excelente compra, los volvería a pedir sin pensarlo 💯
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Really nice men's long-sleeve, longline shirt
Size: Medium, Color: Wine Red
I ordered this casual crewneck shirt in Wine Red, size Medium, for my husband, and it's quite nice. The ribbed texture is not irritating to the skin, and the fabric is smooth and comfortable. In terms of fit, it is similar to a slim fit - not form-fitting, but also not too loose, so I'd say it's fairly true to size. One thing we both noticed was just how long the torso section was - quite a bit longer than most shirts. It is a longline shirt, but it is *long*. For his preference it's a bit too long, but if you're a woman in the habit of wearing your partner's clothing (Or you prefer the fit of men's clothes), this could be for you. The sleeves are an appropriate length for the size, so I wouldn't say this is necessarily suited to men who need a big & tall type of fit. Finally, the color - the wine red is a deep, rich red, and did not change in the wash.
Overall, I think this is a great addition to a men's casual wardrobe. Definitely recommend.
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Reviewed in the United States on January 13, 2026
★★★★★ 5
Nice shirt!
Size: XX-Large, Color: Wine Red
We're pretty impressed with this shirt. It fits well and looks flattering. The design is simple and it seems to be appropriate for a wide variety of casual events. Most importantly, it is comfortable to wear. The material is soft and not too heavy, making it suitable for cooler days. It has a moderate amount of stretch and is of decent quality. I wouldn't mind owning more of these shirts in different colors, and the pricing is reasonable.
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Looks & Feels Good!
Size: X-Large, Color: Wine Red
I got this shirt for my husband in wine red and he likes it a lot! He can be very picky, but he hasn't had any complaints about this shirt.
The wine red color looks just like it does in the picture and it fits true to size. It can be worn on its own or layered under a shirt or sweater when the weather gets cold.
Hubby has machined washed and tumble dried this shirt multiple times and it still looks and feels great!
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Reviewed in the United States on November 15, 2025