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Vishakha Micro Electronics
Our Products :
1) ARM development board :


External Interface Board :


1) RS232 interface GSM module SIMCOM 300 and SIMCOM900.
2) RS232 interface GPS Module UC430 within build GPS antenna
3) Motor Driver card with two switching relays ( I/O interface )
4) RS232 interface board with Jenic 1548 RF module with 2.4 GHz frequency board.

On Board facilities :


1) ARM processor : LPC 2294
2) SPI Flash up to 4 MB : M25P128 Atmel make
3) I2C Interfacing: 24C04 microchip.
4) 12 bit ADC : MCP3202 : SAR type ADC with microchip make
5) 7 Segment Display : 4 row seven segment display
6) MAX 3232 Serial Communication (2 port) : 2 RS232 port
7) 16 pin Keyboard Interfacing both scanning (push buttons) and interrupt using 74C923 key encoder
8) RS485 Interfacing SN75176.
9) 20X4 LCD Display also compatible graphics keyboard.
10) LED display ( 8 row LED indicators )
11) USB to RS 232 convertor FT232BL
12) I2C ADC with 16 bit resolution MCP3422
13) External I/O port 16 numbers
14) On board buzzer.
2) 8051 development board :


8051 Development Board Specification :
MCU : (NXP) P89V51RD2FA
Memory : 64K Flash – Programs Memory with ISP (In-Systems Programming)
Clock : 11.0592MHZ (0-40MHZ Maximum Speed)
Power : +5V Fixed Regulator, 2A

On-Board Features :


1) UART (RS232, serial communication): TWO RS 232 port.
2) 4x5 Matrix Keypad interrupt type keyboard.
3) ATMEL 64 –Mbit Serial Flash Memory with SPI (Serial Peripheral Interface)
4) ATMEL 1K EEPROM with 12C.
5) 2X16 Character LCD with back light
6) Nos. Point LEDs.
7) Parallel port
8) On board Motor driver controller
9) 8 channel SPI ADC with 12 bit resolution.
10) On board instrumentation amplifier AD620

Interfacing module :


1) Seven segment display.
2) RS 232 interface GSM module sim com 300/900
3) RS 232 Thermal printer interfacing module
4) Gennic module RS 232 interface.
5) Two port relay interface.

3) GSM module SIMCOM 300/900 :

On-Board Features :


1) AT command interface on serial port with both TTL and RS232 logic.
2) On board voice facilities.
3) Interfacing code readily available with sample programming.
4) On board power DC to DC convertor type power supply with ripple rejection 150 mV AC.
5) Complete full modem 9 pin interface with RTS and CTS signal.
6) 1.5 meter wire antenna.
7) 9V /2 A SMPS Adaptor.
8) Network Led indication.
9) Input volt : Volt 6.5 V to 24V Volt DC

4) GPS development board with UP501 IC :

On-Board Features :


1) In build antenna facility
2) 6 pin interface
3) Max. Fixed rate: 10 Hz.
4) Volt 3 to 4.2 Volt DC
5) 75 mW typical @ 3.0 V.
6) Both RS232 and TTL level interface on serial port.



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