Add morse keys page

content/radio/keys.md

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+---
+title: Morse Keys
+---
+
+This page is dedicated to the weird things I've used as morse code keys.
+
+## My practice key
+
+I built this back in 2018, and used it to learn how to send morse code over the course of a few weeks.
+
+Key features are:
+
+- A key made from a paperclip and some aluminium foil
+- A volume adjustment knob
+- A buzzer to make a sound when the key is pressed
+
+![My practice key](/images/hobbies/radio/keys/practice-key.jpg)
+
+I later ended up modifying it to use two paperclips and wrote some software to turn it into an iambic keyer.
+
+## Paperclip straight key
+
+Inspired by my practice key, I've occasionally used paperclips as straight keys into my HF radio.
+
+![Paperclip straight key](/images/hobbies/radio/keys/paperclip-straight.jpg)
+
+## PCIe key
+
+Back when my only HF radio was a Pixie QRP kit, I built a simple straight key out of a PCIe slot cover and some scrap wood. I still occasionally use it, but I find the metal-on-metal clacking sound it makes to be a little annoying.
+
+![PCIe key](/images/hobbies/radio/keys/pcie-key.jpg)