| Processor: | 32-bit ARM Cortex M3 at 72MHz (STM32F103RB) |
| Peripherals: | 4 4-channel timers, 2 I2Cs, 2 SPIs, 3 USART serial ports |
| Memory: | 120KB Flash and 20KB SRAM |
| Dimensions: | 2.05×2.1 inches (5.21×5.33cm) |
| I/O Pins: | 43 (of which 15 provide PWM output at 16-bit resolution) |
| Power: | Integrated LiPo battery charging; sleep, stop, and standby modes |
| ADCs: | 15 (at 12-bit resolution) |
| Debugging: | Serial wire debug and JTAG |
The Maple
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