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could anyone please tell me how exactly to send at commands from 8051 to a sim300 gsm module?? Particularly using printf statements:!: i have tried sending it through strings and been successful to receive it at the serial window. But i saw a sample program on net which uses simple...
can anybody pls explain me about the alarm mode in sim300?? I read the sim300 hardware manual and such stuff but i could not understand from anywhere as to what happens when alarm is set off and which pin goes high?? Also i read if its set to silent mode it just sends a text. So what is this...
Re: geyser control with 8051
thank you both!! as bassa improved the circuit i shall first find out what our apparatus needs and understand whatevr components u have suggested of and then make a query with you thank you:D
Added after 11 minutes:
AND just one more doubt before i start off.. I...
geyser control with 8051
hello everyone..i am doing a project on water heater control using 8051. Can anyone tell me how to interface 8051 and geyser(water heater) through a contactor/relay?? My doubt here is 8051 is low voltage output and geyser is a high current device. So how should it be done??
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