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LM 35 temperature sensor is the most widely used for practice, because besides the price is cheap, its quite good linearity. LM35 does not require external calibration which provides accuracy of ± ¼ ° C at room temperature and ± ¾ ° C in the range -55 to +150 ° C. LM35 is intended to [...]
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Sensors are devices or electronic components used to transform physical quantities into electrical quantities that can be analyzed by using electrical circuits. Types of sensors can be divided roughly into 2 types: 1. Sensor Physics 2. Chemical Sensor Physical sensors are sensors that detect a quantity based on the laws of physics. Are included into [...]
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when you walk into an automatic door, did you think : how could the door opens automatically when someone is approaching? If you think about a motion sensor, so your answer is true. usually, the automatic doors installed a passive infrared. Passive infrared is a motion sensor which have very wide application, not only on [...]
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The minimum system is a minimal set of microcontroller to work. A minimum set of system ATMega8535, 16 or 32 using a 4.7 k resistor is used to reset. 100nF and 22pF capacitors and a push button for resets button. This circuit is shown at the beginning of this post. Keyword : atmega ,microcontroller ,minimum [...]
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To create a realtime timer, realtime microcontroller is not required (RTC). You only need a crystal and a timer prescale settings. for example, if used for 8MHz crystal, then choose the timer prescale of 8. Prescale is a divisor which will be conditional on crystal beats as needed. timer frequency = frequency of crystal / [...]
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For programming the AVR microcontrollers, Atmel has provided special software that can be downloaded from the Atmel website. Software is AVRStudio. This software uses assembly language as the language of instrumentality. AVRStudio addition, there are some third party software that can be used to create programs on the AVR. These third-party software using high level [...]
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The Parallax PING))) ultrasonic distance sensor provides precise, non-contact distance measurements from about 2 cm (0.8 inches) to 3 meters (3.3 yards). It is very easy to connect to BASIC Stamp® or Javelin Stamp microcontrollers, requiring only one I/O pin. The PING))) sensor works by transmitting an ultrasonic (well above human hearing range) burst and [...]
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SRF04 is a non-contact sensors use ultrasonic distance measuring. The working principle of this sensor is a transmitter sends a beam of ultrasonic waves, and then measured the time required until the arrival of the reflection from the object. The duration time is comparable to twice the distance sensor with an object, so that the [...]
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WIZ110SR is a gateway module that converts RS-232 protocol into TCP/IP protocol. It enables remote gauging, managing and control of a device through the network based on Ethernet and TCP/IP by connecting to the existing equipment with RS-232 serial interface. In other words, WIZ110SR is a protocol converter that transmits the data sent by serial [...]
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ATMega8535 is one of the Atmel microcontroller 8 bit artificial for the AVR family of mass-produced in 2006. Because the AVR family, so ATMega8535 also uses RISC architecture.RISC, which when translated means “Simplified Computing Group Instruction”, is a computer architecture or modern computing architecture with the instructions and the simplest type of execution. This architecture [...]
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AT89S52 MICROCONTROLLER
connecting microcontroler and computer with usb comunication
OPERATIONAL AMPLIFIERS : part 2 (The "operational" amplifier)
Sensor Signal Conditioning : bridge circuit part1
Serial Peripheral Interface (SPI) in AVR ATMega 8535
Wireless Microcontroller : Jennic JN5148-001
How hydropower work?
all about electronic cigarette
Neural Network
Programmable Logic Controller