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PYboard PYB1.1 STM32F405 Microcontroller Board
The PYboard PYB1.1 STM32F405 Microcontroller Board is a value-for-money arm microcontroller boards designed for everyday users. It features Item Type: Development Board and Model No. / Name: PYB1.1.
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About This Product
The PYboard PYB1.1 STM32F405 Microcontroller Board is a value-for-money arm microcontroller boards designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Item Type: Development Board
- Model No. / Name: PYB1.1
- RAM: 192 KB — effortless multitasking
- ROM Capacity: 1 MB Flash — plenty of room for files, apps, and media
- Processor Type: ARM Cortex-M4 — smooth, lag-free performance
- Microcontroller: STM32F405RG
- Clock Speed: 168 MHz — smooth, flicker-free operation
- Core: Cortex-M4 (Single Core)
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The PYboard PYB1.1 is a compact and powerful development board built around the STM32F405RG microcontroller, running at 168 MHz with hardware floating-point, and featuring 1 MB flash and 192 kB RAM. It supports MicroPython out-of-the-box, offering Python-based control of hardware interfaces such as UART, I2C, SPI, ADC, DAC, and more.
The board includes a microUSB connector for power and data, a microSD card slot for storage expansion, an on-board 3-axis accelerometer, a real-time clock with optional battery backup, a user LED, and a user switch. Designed for rapid prototyping and embedded application development, the PYboard provides an easy and efficient way to interact with hardware using Python. Its compact form factor, strong processing power, and extensive peripheral support make it an excellent choice for IoT systems, robotics, automation, and real-time control projects.
Features:
- 168 MHz ARM Cortex-M4 core (STM32F405RG) with hardware floating point.
- 1 MB flash memory and 192 kB RAM – ample space for scripts and applications.
- Built-in MicroPython support with interactive REPL via USB and file execution.
- Micro USB connector for power and USB serial/drive interface.
- microSD card slot for storage expansion and script storage/booting.
- On-board 3-axis accelerometer (MMA7660) for motion sensing.
- Multiple GPIOs, analog inputs (3×12-bit ADC), DACs (2×12-bit), LEDs and user switch.
- On-board 3.3 V regulator, input voltage range 3.6 V–16 V, with DFU bootloader support for firmware updates.
Package Includes:
1 x PYboard PYB1.1 STM32F405 Microcontroller Board
1 x USB Cable
2 x 40 Pin Header
