Control Communication using RS232 serial line

One of the most powerful communication to be implemented in a digital system is communication using RS232 serial line.Microcontroller 89s51 have facilitie a UART, so that it can perform serial communication with RS2322-level inter-equipment or with the computer. IC MAX232 is enabled to change the format of TTL to RS232.Interface MAX 232Scenatic...

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Control DIGITAL COMPASS DESCRIPTION

Basic Description The digital compass gives measurements based on Earth's magnetic field for robot navigation. Inside this commonly available MEMS are tiny nano-structures that bend due to electromagnetic fields. When this MEMS experiences any form of EM field, the tiny structures bend by an amount which can be electrically detected. Cheaper...

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Control AT90S2313 Features

Features• Includes AT90S2313• All necessary power supply components and crystals are already in place• Easy to Use Software• AT90S2313 can be programmed in system• Heaps of different devices and IC's can be easily connected• Dramatically reduces program development t...

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Control ATMega8 Features

Features• Includes ATMega8 with 8kb internal Flash Program Memory• All necessary power supply components and crystal(4.000MHz) already installed.• All I/O pins connected to headers for easy external connections.• In-circuit programming via parallel port (no separate loader required)• RS232 Communication with on-board MAX232 or equivalent...

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Control ATMega8535 Features

Features• Includes ATMega8535L with 8kb internal Flash Program Memory• All necessary power supply components and crystal(8.000MHz) already installed.• All I/O pins connected to headers for easy external connections.• In-circuit programming via download unit (sold separately)• RS232 Communication with on-board MAX232 or equivalent • Test LED's...

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Control Audio Power Amplifier using LM386

The LM386 is a versatile, small power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but with the addition of an external resistor and capacitor between pins 1-8 the gain can be set to any value from 20 to 200. The inputs are ground referenced and the output...

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Control PIC microcontroller development system (Amicus)

Amicus is a PIC microcontroller development system inspired by the popular Arduino board and it is using a PIC mcu instead of an ATMEL.  The Amicus hardware is open meaning schematic and design files are free to download. Also Amicus software and IDE (integrated development environment) is free of charge. Check details on the link b...

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Control Program a MSP430 microcontroller

In this series of articles learn about basic MSP430 microcontroller connections and programming options, Record audio with the MSP430, make a singing MSP430 microcontroller ...

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Control Prototype your microcontroller project with Toolduino

MAKE subscriber Michael writes in to tell us about Toolduino, a GUI program that lets you access all of the pins on your Arduino through your computer. To use it, you have to flash a special sketch to your Arduino that implements the Firmata protocol, which allows a connected computer to control all of the pins on the microcontroller without...

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Control Softwere PCB and Schematic Diptrace (free)

Are you looking for a professional and easy-to-use PCB Design software with powerful autorouter and reasonable price? Try DipTrace and you will be surprised! DipTrace is a complete state-of-the-art PCB Design System. It includes: PCB Layout — PCB design with an easy-to-use manual routing tools, shape-based autorouter and auto-placer. Schematic...

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Control Servo Light Dimmer

What, the of a dimmer,you may ask ?Well, then a concise answer would be that it:Reduces power consumption(and bills)Increases life of lamps by switching themAllows the same lamp to serve as a ten-watt night lamp or a two hundred watt control illumination lamp.And this is exactly what this dimmer does.One plus point is that it has a power...

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Control make line follower robot (analog)-simple

componentsLM358- Low Power Dual Operational AmplifiersBASIC CONCEPT:This line follower is based on the concept of light detection by a photo diode. When the photodiode is introduced with black surface, the light produced by LED is absorbed by the surface and there is no conduction in photo diode, which sets the comparator output to a ...

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Control 400 Sounds Generator

The circuit a common 556 dual timer, popular TB810 amplifier chip plus the workhorse op amp 741, The result is a universal sound effects generator that can produce up to 400 types of preset sound effects. The circuit works off 12 volt batteries and gives up to 7 watts of solid output.ICI generate 'base tone' which operates at a lower frequency,...

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Control AT89C2051 A Serial to Parallel Converter

The converter runs at 9600 baud, 89C2051 and outputs each byte received on a centronics style parallel port, together with a nominal 50 microsecond strobe. The converter buffers up the bytes received if busy is active, and is bidirectional – when the sample switch is pushed, the converter samples the parallel port and transmits the value...

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Control Figure Programmer Circuit Of AVR Atmel Microcontroller

Figure Programmer Circuit Of AVR Atmel MicrocontrollerThat said, the diagram of a timer circuit controlled by PC comes down to very little. Indeed, it is mainly the PC side software to generate the proper timing on the line SCK, MISO and MOSI and, of course, a minimum of circuitry for adjusting the level so you can use a standard PC ports.The...

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Control Nestbox Solar Powered Wireless CCTV Camera Circuit

camera, provide lighting inside the nestbox, and charge batteries from a PV solar panel.Circuit diagram for CCTV powered by Solar Panel with Battery BackupD1 is a Schottky Diode used to prevent battery charge escaping through the solar panel at night. Something like a 1N5817 (1 Amp 20 Volt diode) will do the job and it has a very low voltage...

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Control Wireless Auto Tachometer Circuit

To use the Tach, turn it on and let it sit for one minute to allow for temperature stabilization. Extend the antenna, select the right number of cylinders and hold the unit over the engine. If the reading is erratic or the needle jumps around, move the antenna closer to the ignition coil or spark plug wires. Wireless Auto Tachometer Circuit...

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Control FM Wireless HI-FI Schematic

To relieve you of any concern related to high frequency, I used a module ready, in case a module Aurel audio FM transmitter. This tiny circuit board with 2 cm by 4 cm supports a transmitter modulation frequency track, delivering an RF power of 10 mW which is quite sufficient for the desired use. As it is driven by a resonator surface...

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Control Clap Switch

This clap switch can turn on and off a light,fan,music system,alarm.....virtually any gadget,at the sound of a clap.The most amazing part of the design is that it gives an a efficient two state control without employing any op amp,any counters,timers or flip-flops but just four transistor.The design shows how basic circuits can do complex...

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Schematic GSM modem interfacing with microcontroller 8051 for SMS control of industrial equipments

GSM modem interfacing with microcontroller 8051 for SMS control of industrial equipments:-This is a beginner tutorial in which a GSM modem is being interfaced with the microcontroller AT89s51 for SMS communication. The SMS can be send and recieved for the data sharing and situation information and control. there are many application of the...

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Control Versatile Intercom System

Most intercoms use up to five wires for hooking up to other units,while the one presented here needs just two.There are several features that make this design unique.Two wire line systems.Single chip designTouch to call facilityHands free conversation which allows conferencingCompact designThe unit uses a type 1895 amplifier IC which forms...

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Control Solid State Tube Light Choke

The advantages of tube light over filament bulbs are well known.But these tube lights have problems too.They refuse to work at lower voltages,they are costly,burn out easily and so on.So,presented here is a unique solid state electronic design.The circuit is shown in schematic a it uses two capacitors and four diodes and work along with a...

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Control Toggling Touch Switch

With just one single IC and that also not a digital one ,as one would expect,this switch would from probably one of the austeriest ever made.The circuit described here allows any electric or electronic devices to be remotely switched on and off just by touching the touch plates.This not only ensures higher safety,but also lends elegance and...

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Control Dual Channel 70V Voltmeter Using PIC

This is a circuit for dual channel voltmeter. This circuit is based on PIC microcontroller. This is the figure of the circuit;PIC voltmeter can measure 0-70 Volts which should be more than enough for most of electronic projects providing excellent reading accuracy and resolution. It has two input channels for measuring two voltage sources...

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