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Embedded applications

This page gives you a summary of our expertise in embedded application development. You may want to use a convenient jump table if you want to directly jump to a topic of your interest.

Technologies

   
UI development: Android, iPhone, QT, Windows CE, firmware based graphical UI framework
   
Protocols: BACnet, Modbus, LonWorks, , CANbus
   
Wireless: Wi-Fi, Bluetooth, GSM, NFC, RF, GPS, RFID, Power line communication (PLC), ZigBee
   
Audio / video: RTP / RTSP, SIP, VoIP, IVR, analog / digital telephony, codec
   
   

Domains

   
Access control based on RFID (smart card) or video
   
Burglar alarm security using sensors
   
Vehicle / personal tracking and logistics using GPS
   
Industrial automation – data loggers, controllers, protocol converters
   
Remote health monitoring of data centers, cell phone towers (BTS shelters), UPS, generators, air conditioners
   
Automated remote gas and electricity metering solution (AMR)


User interface development:
We understand the importance of user interface for your product. Hence along with accessibility, usability and functionality, the other key consideration is building of UI engines which change the look and feel just by changing configuration files. This allows tremendous flexibility and allows easy customization of the UI without programming. This is extremely useful for on-the-fly customization requested by customers / potential customers

We also have expertise in various different types of devices such as keypads or touch screens. Again configuration helps us to design user interface in matter of minutes whatever be the type of touchpoints supported.

Maven has developed user interfaces in firmware based applications for low-end monochrome graphical LCD applications to high resolution color LCD applications. We have also developed UI applications on QT, WinCE and Android.


Protocols support: Maven’s expertise in industrial protocols encompasses Modbus/RTU, Modbus/TCP, BACnet/MSTP, BACnet/IP, CANbus, LonWorks. This is used to develop applications such as data acquisition systems, chiller controllers, protocol converters and so on.

Maven has also developed custom protocols for UPS, generators, air conditioners and other devices that need to be monitored remotely. Unlike others, we have in-house expertise in developing protocol drivers for any device and make it compatible with standard products such as SCADA, MES, BMS, etc. This allows older generation devices to be integrated easily with newer generation systems.

Protocol gateways: Maven has developed firmware for several gateways and protocol converters to ensure communication between non-compatible communication channels. Following gateways / protocol converters are developed.

PLC to RF and RF to PLC
PLC to serial and serial to PLC
PLC to Ethernet and Ethernet to PLC
RF to serial and serial to RF
Ethernet to serial and serial to Ethernet (along with protocol conversions)
Wireless: Maven has vast experience in variety of wireless technologies. We have implemented green energy initiatives with use of ZigBee. Large number of nodes and use of mesh algorithm were the highlights of this solution.

For IP cameras and heavy traffic, we have delivered applications with WiFi 802.11b/g/n applications. This can be coupled with wired Ethernet connectivity to augment the coverage. Delivered product includes four wired and four wireless cameras streaming the video at high speed which is displayed or stored or both.

Maven’s expertise in RF (radio frequency) field extends to 2.4 GHz, 433 MHz as well as lower frequency bands. A low-cost mesh library allows delivery of data over several kilometers in changing terrain. The library ensures multiple paths to control station thus providing redundancy and high reliability. This solution also allows you to extend wireless coverage to older devices.

Use of power line communication (PLC) technology in our solutions overcomes the need of new wiring to the existing setup. Without laying any new cables, this allows user to send data over very long range. Maven has its own software library which allows data transfer in kilometers over older setup. This is one of the best solutions for retrofit projects.

Audio / video: For sending heavy traffic of audio / video streaming from cameras to control station, local servers and web servers, Maven supports connectivity via Ethernet, WiFi as well as 3G and GPRS. Decoding digital streams and displaying them on analog / digital LCDs for live surveillance applications on commercially available LCDs is made possible with resolutions of CIF / QVGA / VGA. Protocols such as RTP/RTSP, SIP and VoIP are implemented for various applications.

Automatic meter reading (AMR): Maven combines the experience mentioned above to design automatic meter reading (AMR) solutions for various utilities such as gas or electricity. These solutions have accessible range up to 0.5 kms and with help of specialized algorithms up to tens of kilometers. These solutions can support older meters which may be totally mechanical or have older proprietary protocols.

Remote communication: Various Maven projects feature support for single or dual GSM and 3G modules. This allows transfer of data over large distances. GPS integration provides support for logistics requirements.