STM32F103TBU6 32-Bit ARM Cortex-M3 Microcontroller (72MHz, 128KB Flash, VFQFPN-36)

Pack desktop-like processing power into your most space-constrained DIY projects with the STM32F103TBU6 32-bit microcontroller. Based on the legendary ARM Cortex-M3 core running at 72 MHz, this specific variant delivers the beloved performance of the classic F103 series but is housed in an ultra-compact VFQFPN-36 package. It is the ultimate "brain" for designing ultra-lightweight TinyWhoop flight controllers, miniaturized Electronic Speed Controllers (ESCs), or custom wearable electronics where every millimeter and gram counts.

What makes the "TBU6" variant stand out is its expanded 128KB of Flash memory (compared to the standard 64KB found on generic development boards), providing plenty of extra room for complex firmware, advanced PID algorithms, and real-time operating systems (RTOS). Despite its tiny 36-pin footprint, it retains professional-grade connectivity, including full-speed hardware USB 2.0, a CAN bus interface, multiple fast UARTs, SPI, I2C, and highly precise 12-bit ADCs.

Key Features:

• Ultra-Compact Powerhouse: The 36-pin VFQFPN leadless package drastically reduces PCB footprint and weight, making it perfect for micro-drones and densely packed robotics.

• Expanded Memory: Features 128KB of Flash memory and 20KB of SRAM, ensuring you won't run out of space for advanced autonomous flight code or custom IoT stacks.

• High-Speed Processing: The 72MHz ARM Cortex-M3 core effortlessly handles heavy math, fast loop times, and real-time sensor fusion.

• Rich Peripherals: Includes advanced interfaces like hardware USB and CAN bus, essential for modern telemetry and DroneCAN ecosystems.

Specifications:

• Part Number: STM32F103TBU6

• Core Architecture: 32-Bit ARM Cortex-M3

• Clock Speed: Up to 72 MHz

• Memory: 128KB Flash / 20KB SRAM

• Operating Voltage: 2.0V to 3.6V

• Package Type: VFQFPN-36 (6x6 mm, SMD/SMT)