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n the case of the devi it is capable of coveri overcome the fact tha ce described in this application, it utilizes only one sonic sensor. Because ng a very wide range of distance (from 0 to ~254 inches) it is inherent that the device only be capable of detecting human presence and movement in a narrow area. Thus, tc t these types of sensor can pick up the presence of all the objects in the room, the MaxSonar-EZ1 emits and receives a very narrow beam, approximately 1 in. diameter dowel under 10 feet and approximately 3.25 in. diameter rod under 15 feet and above 10 feet.

Figure 2 n the case of the devi it is capable of coveri overcome the fact tha ce described in this application, it utilizes only one sonic sensor. Because ng a very wide range of distance (from 0 to ~254 inches) it is inherent that the device only be capable of detecting human presence and movement in a narrow area. Thus, tc t these types of sensor can pick up the presence of all the objects in the room, the MaxSonar-EZ1 emits and receives a very narrow beam, approximately 1 in. diameter dowel under 10 feet and approximately 3.25 in. diameter rod under 15 feet and above 10 feet.

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Because the sensor directly transmits a serial output with an RS232 format it is n use a large microprocessor. Indeed, the MaxSonar device could be connected di since the voltage produced by the MaxSonar 0-Vcc is out of the RS232 if need be, a MAX 232 chip to invert the voltage. The MAX 232 chip uter. Thus the TxD can be straight the COM1 DB39, but Standard! one can connect, will be t from the (yes con note wil followed by three numerals representing the distance character. TX of the sensor and the RxD can be sent tinue ranging) or 0 (no stop ranging). The send five ASCII character over the serial This simple interface can then be coded Studio or relatively straightforward in the sense that it will send MATLAB to develop a Graphical User I he only interface between the sensor and th ult: nte e comp to the RX of the sensor to tell the sensor rasoni c sen ransmission. in inc in a software hes fi rface GU sor described in this applica rom 0-255 followed by a ret ). The code for this can be the GUL i nstructions from the Sensor. These characters are an “‘R’ program like Microsoft Visual ot necessary to rectly to pin 2 of 1 tion 2 umm For example, in simple language; If the object is this distance: Display this much information, Else if
Because the sensor directly transmits a serial output with an RS232 format it is n use a large microprocessor. Indeed, the MaxSonar device could be connected di since the voltage produced by the MaxSonar 0-Vcc is out of the RS232 if need be, a MAX 232 chip to invert the voltage. The MAX 232 chip uter. Thus the TxD can be straight the COM1 DB39, but Standard! one can connect, will be t from the (yes con note wil followed by three numerals representing the distance character. TX of the sensor and the RxD can be sent tinue ranging) or 0 (no stop ranging). The send five ASCII character over the serial This simple interface can then be coded Studio or relatively straightforward in the sense that it will send MATLAB to develop a Graphical User I he only interface between the sensor and th ult: nte e comp to the RX of the sensor to tell the sensor rasoni c sen ransmission. in inc in a software hes fi rface GU sor described in this applica rom 0-255 followed by a ret ). The code for this can be the GUL i nstructions from the Sensor. These characters are an “‘R’ program like Microsoft Visual ot necessary to rectly to pin 2 of 1 tion 2 umm For example, in simple language; If the object is this distance: Display this much information, Else if
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