My grandson wants the Excalibur Flight Mission toy for Christmas. I have my doubts about how good a...
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My grandson wants the Excalibur Flight Mission toy for Christmas. I have my doubts about how good a toy it is for a 7 year old. Please advise.
just started playing with circuit boards i read the schematics got all the parts i need from the...
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just started playing with circuit boards i read the schematics got all the parts i need from the shop one of thhe things were difrent from the drawring it was 555 timer chip the prongs were in difrent spots to schematics so i still made evry thing run to correct prong but it doesnt work