Create projects.md

_drafts/projects.md

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+# Projects
+
+## Laser cut map
+	Design ideas: route map of walk with tom, cycling with monty, strava heatmap
+	Buy some 6mm BB/BB Birch Ply 4' x 8' from E roberts
+
+## Ceramics
+	Buy buckets for glazing
+	Get some nicer tools?
+
+## Build a weather station?
+    https://sensor.community/en/sensors/
+	
+## Try to get eGPU working on intel mac windows again
+
+## Ceiling Panel Light
+	Next Step: Initial design
+	Get an aluminium sheet
+    Make a nice 6mm lasercut panel stackup
+
+## PCB Design 
+    [x] Breakout board for circular LCD
+    [ ] Programmable DCDC Converter modules? Maybe reusing parts from a cheap module
+    [ ] Just a current driver that can be controlled via PWM 
+	
+
+## Bike Light
+	Integrate a light, control for the USB charger
+	Add battery percentage
+	Add 10k thermistor 
+	Fix screen flashing
+	Test Battery charging
+	Convert to micropython (ina219 library)
+	Micropython lvgl https://blog.lvgl.io/2019-02-20/micropython-bindings
+
+    Make a little js emulator? Unicorn
+    Characterise dynamo
+    determine open circuit voltage vs speed
+    Estimate a good equivalent circuit model for dyno
+    Actual board
+    Button input
+    Motor haptics output fets
+    Input rectifier
+    Input protection (zener rated to max input of the battery charger)
+    Fet to switch disconnect dyno
+    Analog stage to capture raw dyno waveform
+
+## Birthday present for Anna
+    banana bag
+
+Ender 3
+	Rewire USB port to be internal
+
+Selfhosting
+    Set up external hosting on subdomain selfhost.thomashodson.com
+    make it work both internally and externally
+	Set up wireguard
+    Set up homeassistant docker 
+    make a nice collection of the docker images: podman, miniflux, rsshub, caddy, homeassistant
+
+## Do a deep dive into switched mode power supplies
+    https://www.instructables.com/Arduino-Powered-Bi-directional-DC-DC-Converter/
+
+## To put african plates on wall
+
+## Blog post ideas
+Why there are two tides
+Relativistic skier
+The horrors of line intersection