Monthly Archives: May 2013

photointerrupter schematic details

photointerrupter_wiring_generalIn my second post about photointerrupters I show you how to get things working properly and how to spend only as much energy as necessary. The schematic diagram shows the basic wiring for a photointerrupter like the TCST 2103 that I introduced already in my first post. Now it is time to find the best values for the two resistors. Continue reading