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crwdns2933797:0Sam Goldheartcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Sam Goldheart

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-[title] speed sensor
-[* black] When we push out the small circuit board we get to the source of this miracle measuring method:
- [* red] It uses a [http://www.mouser.com/ds/2/735/HAL1820_Programmable_Linear_Hall-Effect_Sensor_3DS-769593.pdf|1820A programmable linear hall sensor|new_window=true] which takes advantage of the [https://en.wikipedia.org/wiki/Hall_effect|Hall effect|new_window=true] to determine the speed you are pedaling with.
-[* black] On the back of the board is just a simple JST plug for connection and power.
+[* black] Pushing out the small circuit board, we get to the meat of this miracle measurer:
+ [* red] A [http://www.mouser.com/ds/2/735/HAL1820_Programmable_Linear_Hall-Effect_Sensor_3DS-769593.pdf|1820A programmable linear hall sensor|new_window=true]
+ [* icon_note] This takes advantage of the [https://en.wikipedia.org/wiki/Hall_effect|Hall effect|new_window=true] to track the wheel as it turns, using that to determine how fast you're traveling (and how hard you're working).
+[* black] The three wire system is connected with a simple JST connector, not solder. Now that's what I call modular.