stm32_part1 began on first portion of timer write-up

content/post/stm32-part1.md

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+---
+title: "STM32 with libopencm3 - Part 1: Simple Timer"
+date: 2020-02-12
+lastmod: 2020-02-12
+draft: true
+tags: ["libopencm3", "stm32", "tutorial"]
+categories: ["Tutorial"]
+contentCopyright: false
+hideHeaderAndFooter: false
+---
+After having reviewed [part 0](/post/stm32-part0) of this series, we can now
+explore controlling GPIO with the hardware timers! Other tutorials have used the
+Systick timer as a good introduction to adding a delay for blinking an
+LED. However, it is my belief that this leads to confusion for beginners and
+only opens the door to misunderstandings. That being said, we will be using
+timers and their associated GPIO ports with Alternate Function modes.
+
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