Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Yes you can from what I have read, they are available up to a 30 foot range but how would you wire them to the stopwatch? and what would you use for a delay?
I sure can, just need to know what components I need and a schematic for dummies. I've been looking online and I can't find anything simple enough for me to understand. Not sure what kind of IR sensor, or how I can make it trigger a relay or the start stop button of an electronic stopwatch. I...
Can anyone here help me figure this out. Need to setup two IR beams that when broken will trigger a relay of some sort.
Here is what I'm doing, trying to build a timer for a local mud truck rally. the track is setup like a drag strip and is 100 foot long. I found a setup where they used a...
got any links to how I could wire all this up? i have know idea how I would use the safety beams to trigger a relay or switch, if I could do that I could use the radios like in the video
Thanks so much for the reply and your time. Yes that is what I am trying to do.
I would be happy with just using the wireless radios and the hand held stop watch like in the video I posted but would need to make some sort of triggers at the start line and the end of the track. In the video...
OK I have been looking around at building some kind of timer, start and stop. It's for a local Mud Truck Rally. What I was thinking of doing is using some garage door saftey beams one at each end of the track to trigger a timer or relay. I found some DOS software that uses pretty simple stuff to...
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