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A simple bootloader code for STM32 Blackboard that blinks the built-in LED on PA7 at the frequency of a heartbeat. This code runs without a standard C Runtime environment set by the compiler.

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digitallyamar/STM32-Blinky-Heartbeat

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STM32-Blinky-Heartbeat

A simple bootloader code for STM32 Blackboard that blinks the built-in LED on PA7 at the frequency of a heartbeat.

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Connecting an external LED at PA10

You can also connect an external LED between PA10 and +3V of the board. This will do a heartbeat blink as well!

[Demo Image]

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A simple bootloader code for STM32 Blackboard that blinks the built-in LED on PA7 at the frequency of a heartbeat. This code runs without a standard C Runtime environment set by the compiler.

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