Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Architecture | ARM Cortex-M0+ 32-bit |
| Flash Memory | 18 KB |
| SRAM | 2 KB |
| Max Frequency | 24 MHz |
| Operating Voltage | 3.3V DC |
| GPIO Pins | 18 General Purpose I/O |
| Interface Support | UART, SPI, I2C |
| Package Type | TSSOP20 |
| Debug Interface | SWD (Serial Wire Debug) |
| Board Dimensions | 25mm x 15mm |
Anonymous
Mar 31, 2026
Rating: 5/5
Perfect for learning ARM basics
This board is incredibly compact and easy to set up. I used it with Keil MDK and the flashing process was smooth. Great value for students wanting to move beyond 8-bit microcontrollers.
Anonymous
Mar 26, 2026
Rating: 4/5
Good performance, minimal docs
The hardware works flawlessly at 24MHz. My only complaint is that the English documentation is a bit sparse compared to STM32 boards, but the community forums helped me get started quickly.
Anonymous
Mar 11, 2026
Rating: 5/5
Excellent price-to-performance ratio
Bought ten of these for our workshop. They are robust and handle GPIO toggling very fast. The pinout is clearly labeled on the silkscreen which saves time during prototyping.
Anonymous
Mar 09, 2026
Rating: 3/5
Works well but needs specific programmer
The board itself is fine, but make sure you have a compatible ST-Link or CMSIS-DAP debugger. It didn't work with my old JTAG adapter. Once connected, it runs stable.
Anonymous
Mar 08, 2026
Rating: 4/5
Great for university projects
Used this for my final year embedded systems project. It handled ADC readings and PWM control without issues. Just wish it had an onboard LED for basic status indication.
Anonymous
Mar 07, 2026
Rating: 5/5
Tiny powerhouse for sensor nodes
Using this for a low-power sensor project. The sleep modes are efficient, and the small footprint fits perfectly inside my custom 3D printed enclosures. Highly recommended.
Q: Can I power this board via USB directly?
A: No, this specific core board does not have an onboard USB-to-UART converter or voltage regulator. You must supply a stable 3.3V power source to the VCC and GND pins externally.
Q: What debugger interface does this use?
A: This development board utilizes the SWD (Serial Wire Debug) interface for programming and debugging. You will need an SWD compatible probe like ST-Link V2 or J-Link.
Q: What is the maximum operating temperature?
A: The commercial grade version of this MCU typically operates between -40°C and +85°C. Please refer to the official datasheet for specific industrial grade variations if needed.
Q: Does it support floating point operations?
A: The Cortex-M0+ core in the PY32F003 does not have a hardware Floating Point Unit (FPU). Floating point math is handled via software libraries, which may be slower than fixed-point arithmetic.
Q: Is this board compatible with the Arduino IDE?
A: Yes, it can be programmed via Arduino IDE by adding the appropriate PY32 board support package (BSP) to the board manager, though it is primarily designed for use with Keil or IAR.
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