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Nenny Anggraini, SKom., MT
STMIK JAKARTA STI&K
Computer Science & IT

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DESIGN TOOL ROOM TEMPERATURE MEASUREMENT WITH TEMPERATURE SENSOR USING LM35 AT89S51 MICROCONTROLLER Syarip Hidayattullah; Nenny Anggraini, SKom., MT
Jurnal Sistem Informasi 2009
Publisher : STMIK JAKARTA STI&K

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In writing that I make with the title "Room Temperature Measuring EquipmentDesign With LM35 Temperature Sensor Using AT89S51 MICROCONTROLLER "about design for temperature data acquisition system that uses the basic componentsof an ADC, temperature sensor, microcontroller AT89S51 and Seven Segment as aviewer facility. Temperature data acquisition system into something that is veryimportant in industrial activity, because it is a small part of a process control. Withregard to the importance of the system, hence the temperature data acquisition systemdesign that is capable of temperature monitoring activity of a plant. The data to bemeasured is a physical property so as to be processed temparature and displayed inthe form of electrical systems used LM35 temperature sensor that is able to convertthese quantities with increasing 10mV/oC.To be able to design the system was first carried out the process of cha nging thetemperature into an analog voltage using a LM35 temperature sensor. after goingthrough the process was strengthened by the signal conditioning, analog voltageconverted into digital data using the ADC 0804. Digital data obtained is thenprocessed by the Microcontroller AT89S51 and displayed, so we get someinformation about OC units of the plant temperature on a Seven Segment of thetemperature data acquisition system design is obtained that this system has the abilityto measure the temperature from 25oC to 100oC with average errors Averagetemperatures for the appointment of 0.266 oC.
CANS ANTENNA AMPLIFIER UTILYZATION COMPUTER-BASED NETWORK ACCESS POINT Khalis Ali Mufattihul Rangga Saputra; Nenny Anggraini, SKom., MT
Jurnal Sistem Komputer 2007
Publisher : STMIK Jakarta

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Scientific writing is about the use of tin as an antenna amplifier in a network without cables based on the access point. Limited funds to set up a network, either using a cable or using a wireless antenna into the main factors using tin as a wireless antenna that can strengthen the wave from the receiving antenna (receiver) to the access point. Calculation can be an antenna that will be something that can not be ignored in order to obtain a good signal reinforcement.
CONNECTION BETWEEN TWO COMPUTER NETWORKS USING USB PORT USB CABLE NETWORK / BRIDGE TO BRIDGE PL IC 2501 Maryani Utomo; Nenny Anggraini, SKom., MT
Jurnal Sistem Komputer 2007
Publisher : STMIK Jakarta

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Scientific writing is about building a simple network between two computers withoutusing the ethernet card via a USB port. The problem that arises is the USB system isdesigned only to communicate with USB devices, so that the USB Host Controller ona computer can not be directly connected to the USB Host Controller on the othercomputer. By using a USB cable Network / Bridge as a USB device, the USB HostController can communicate with each other. USB Cable Network / Bridge has anelectronic circuit that functions as a regulator of the data traffic from the USB HostController on computer A to USB Host Controller on computer B and vice versa.Thus in building the network through a USB port USB devices required as a mediumof communication between the Host Controller.
Co-Authors Khalis Ali Mufattihul Rangga Saputra Maryani Utomo Syarip Hidayattullah