Update cheatsheets

avrdude

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# avrdude
+
+> Driver program for Atmel AVR microcontrollers programming.
+> More information: <https://www.nongnu.org/avrdude/>.
+
+- [r]ead the flash ROM of a AVR microcontroller with a specific [p]art id:
+
+`avrdude -p {{part_no}} -c {{programmer_id}} -U flash:r:{{file.hex}}:i`
+
+- [w]rite to the flash ROM AVR microcontroller:
+
+`avrdude -p {{part_no}} -c {{programmer}} -U flash:w:{{file.hex}}`
+
+- List available AVR devices:
+
+`avrdude -p \?`
+
+- List available AVR programmers:
+
+`avrdude -c \?`