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Showing results for tags 'ultra sonic'.
This is just the start of my project. Ultra sonic distance sensor, based on paralax ping sensor or other ultra sonic distance sensors . 24Khz and 40Khz ultra sonic transducer. Basic operation: Send Pulse--> wait for echo --> read time between pulse and echo --> send distance --> start over. completed part of projct at the time of posting. Output amplifier--completed PWM output (24Khz) --completed Parts that need to be completed Input amplifier/opamp -- waiting for jfet opamp, considering a 741 just for testing purposes pulse length code -- was workin