Gps circuit
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Vodafone USB 3G Modem Driver
Better yet, the software side is just as simple thanks to the Vodafone USB Modem library for mbed. It will work for any of the cell data plans offered by Vodafo...
USB to SPDIF Converter
Does anyone know where I can get a schematic for a USB to SPDIF converter, like the ones from empirical audio. Thanks!!! I like their concept but $500 .....
The Link 4+0 ?– Internal Intercoms
This version of the Link is for those who really need a good cheap intercom that will work reliably, but without access to an outside Telco line. This could be ...
LASER Transmitter/Receivers
This set of two circuits from the basis for a very simple light wave transmitter. A LASER beam is modulated and then aimed at a receiver that demodulates the si...
Intercommunication Intercom
This is a great intercom circuit that can be used in many ways. It uses 22V to operate and maybe it will work at a lower voltage (you can try it). For input/out...
Usb To Rs422 Uart Serial Converter Pcb
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Usb To Rs232 Uart Serial Converter Pcb
The USB-RS422-PCB is a USB to RS422 level serial UART converter PCB incorporating FTDI`s FT232RQ USB to Serial UART Interface IC device which handles all the US...
Rs-485 Isolated Interface
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Minimum Component Ft232rl Usb To Rs232 Converter Cable
The ML7005 is a multi-functional DTMF transceiver LSI with built-in a DTMF signal generator, a DTMF signal receiver, a call progress Tone generator, a call prog...
Convert A Two Channel Full Duplex Data System From Rs-232 To Rs-485
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CMX867A Low Power V.22 Modem
This RS-232 RS-232 /a> to RS-485 protocol converter uses two products for a complete operational system. The circuit will comply with all EIA and ITU specificat...
Application Of Uart In Gps Navigation System
The APX9132 integrated circuit, is an ultra-sensitive, pole independent Hall-effect Switch with a latched digital output. A 2. 5 volt to 3. 5 volt operation and...
Downlink Project Description
The Skeyeball project is an ongoing project in the Indiana University System Design Methods Laboratory for both graduate and undergraduate students to perform e...
light beam circuit
Here we describe a simple process to `put a voice on a sunbeam` and transmit it over a distance. It is a fascinating example of amplitude modulation of light us...
RS485 Library for Windows and Atmel AVR 8-Bit
This project implements a half-duplex, master/slave communications protocol based on RS-485 bus hardware. A Windows PC plays the role of bus-master and several ...
Transistor intercom circuit
Here is a simple but effective intercom circuit that is based fully on transistors. The circuit is based on a three stage RC coupled amplifier. When the pushbut...
Two way intercom circuit diagram using transistors and UM66 as ringer
A very simple intercom circuit designed based on transistors. No need for a changeover switch and you can use it just like a telephone.....
Simple Two Way Communication Intercom Circuit Schematic diagram
Intercom or Inter communication circuit is a two directional communication system. It provides a reliable communication line and is extremely easy to implement....
laser communication project circuit
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