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hi~
does any1 noe how the schematic diagram of a ultrasonic sensor used for microcontroller?
first i brought a ultrasonic sensor which does not have a model so i cant found the datasheet and the ultrasonic sensor is different from what u all using here.. it is without a board on it.. i have upload the picture of the ultrasonic sensor..
i need u guys help urgently some1 that know please tell me thank you...What you have are bare ultrasonic
transducers or a bare transmitter/receiver pair. You will need to look up a schematic for your pair. This is what I found when when doing a quick search for ‘circuit for bare ultrasonic transducer’.
still have a little confuse
according to the schematic that you found i am stil a little confuse…
from the schematic there are 2 parts connected to the pic16f877a rc2 and ra1. this two pins can i connect to pic16f886?
and is this can be support by the picaxe 28pin?
The webpage tells you as much as I know.
It says that you need a pin that can output a 40kHz PWM pulse and you need a pin that will accept ADC input. I would guess that a PICAXE 28 will have both capabilities on a given pair of pins.
thank you
thank you for your help… i really appreciate it…
