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Mauro Frigerio blog

Curling stopwatch DIY

20-08-2017 3 min read article
This is my second version of the curling training stopwatch. The major improvements in comparison to the older version are: better power management, stable software and new control function. The new system has two photocells, where the master of the system is the stop one. The start photocell is a slave, like the other module. There are two ways to show the information from the system: first one with a smartphone connected via Bluetooth to the Stop photocell. Continue reading
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