This module is a cost effective and flexible solution providing your own microcontroller with wireless Internet connectivity, remote controlling via SMS and GPS functionality. As a GSM module either SIM900D or SIM300DZ might be used, some of the most affordable GSM modules currently on the market featuring embedded TCP/IP stack over AT commands so measurement […]
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Grand Prize Winner (Dec 2012) 
Second Prize Winner (July 2012) 
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Gps Gsm Module Top View Gps Gsm Module Bottom View GSM/GPS module is a compact, flexible and powerful solution allowing to add GPS functionality and/or Internet connectivity to your own device with minimum effort. The module is designed as one of a few interchangeable transport connectors for DefendLineII project but could […] It is a known fact that C328 JPEG Serial Camera has been discontinued and not available on the market anymore. But there is a replacement called uCam-TTL Serial JPEG Camera module which is currently being produced and sold by Australian company called 4D Systems. The camera has the same QV7640 image sensor, serial interface and […] DefendLineII has a native support of JPEG Colour Camera (C328 compatible). Such type of camera is capable of delivering VGA quality still pictures, it is equipped with hardware JPEG compressor and serial interface making integration with embedded devices quick and easy. This camera requires two wires (RX and TX) for serial communication, ground and positive […] A great deal of DefendLineII configuring might be done over a terminal. To use this option the board must be connected to PC via USB cable and serial selector JP1 must have pins 1 and 2 connected together. As a terminal program standard Windows HyperTerminal can be used but it is not very convenient tool, […] Building firmware is pretty much similar to building bootloader described in the previous article. Assuming that you have WinAVR and SVN already installed, your DefendLineII PCB has bootloader flashed and avrdude can communicate with the board so you are ready for the procedure. Download source code for DefendLineII project if you have not done […] A bootloader is a compact executable code often flashed in upper program memory area implementing basic transfer protocol and facilitating self-programming function, making possible firmware updates without need to have an external programmer. In most cases bootloaders simulate basic programmers to take advantage of already existing software support without invention of something new. Of course, […] DefendLineII PCB will be distributed in three kits: just a PCB, without any components, a pre-assembled PCB with just ATMega1280, FT232BL, DS1621, PCF8563, MicroSD connector, crystals, ISP10 header and a few resistors/capacitors soldered and fully assembled with all components soldered. If you decided to solder component by yourself then we hope you will find these […] The heart of the unit is CPU ATMega1280 microprocessor running at 14.7456 MHz (Y3 crystal). This frequency provides required accuracy to clock serial communications at 57600/115200 bps between the unit and external devices such as PC, GPS module, GPRS modem, JPEG cameras etc. The ATMega1280 processor has four hardware serial ports facilitating simultaneous interactions with […] Here is a demonstration of LED Matrix Display project working together with DefendLine. It is worth noticing that a digital video camera makes the display visibly flickering due to slightly different LED display and camera sensor refresh rates. […] |
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