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Hi all I am just beginning in learning RFID and built this circit now i dont understand whats wrong but i understand the RFID chip is sending a string of ASCII CMOS out each time i scan. when i receive the data back to the terminal each time it is slightly different. Example...

hiya all i put this circuit together from the Arduino site. But it doesn't work :( can anyone help as to why?? i used a picaxe 20m2 a 1M ohm resistor and this piezo http://www.rapidonline.com/Electrical-Power/Miniature-piezo-transducer-with-flying-leads-83007 using the code do readadc...

hi I have been trying to use the OSX terminal to send a character to my picaxe my programs works when i used the macaxepad terminal. I am unsure of the code required to use the OSX terminal. any assistance greatly appreciated. Regards brendan

using the curcit in the pdf below. i have attached a picaxe to a flash gun. but when i run my program and pop a balloon i dont get to freeze the action. i am just too late to even see the balloon bursting. is the picaxe too slow? http://www.rev-ed.co.uk/docs/picaxe_sound.pdf ' ***...

Hiya all I have made this circuit from the picaxe website. I had to substitute a POT 4k7 for a 5k POT and a 47k Pot for a 50K POT it doesn't work :( is these two resistors sufficient to make my project not work? http://www.rev-ed.co.uk/docs/picaxe_sound.pdf any advice welcome. Thank you...

Hiya All Ok so I have really confused myself. I am building a camera trigger that will activate when a laser beam is broken. simple right? but I want to make the LDR removable as it will not always be in use. at the moment i was using the LDR circuit in a Voltage divider = 5v to LDR to PIN...