This module can be used for building many devices, automation systems, alarm systems, versatile home weather stations with the use of cellular, Internet, GPS navigation, control of temperature, pressure, humidity. And for high-quality audio systems - audio players, voice recorders, FM radio, smartphone. The minimum (base) option: Used with ATMEGA2560 microcontroller clocked by the quartz 11,0592 MHz. Also, this frequency is used for compatibility with the standard number of speed UART interfaces. Integrated clock quartz 32 kHz is connected to timer / counter 2. 3 custom buttons, one of which can control the switching on and off power. -5mm RGB led, for the additional indication of various parameters. (the main means of display and control-2.8 inch color touch display). Slot for connecting microSD memory card. -The external connector, for connecting external sensors, sensors, actuators. On the multifunction connector removed: 1 - Output software configurable as General purpose output (digital input or output) or as a hardware counter input T1 (for counting pulses or frequency). 2 - General purpose Output or the input of the INT1 interrupt. 3 - General purpose Output or hardware input of the counter T4. 4 - General purpose Output. 5 - RX interface UART or General purpose Output or interrupt input INT2 6 - TX interface UART or General purpose Output or interrupt input INT3 + power lead directly from the internal battery. Supply voltage : -3.5 to 4.5 V(from the standard Li-ion battery -5V USB interface. The device has touch power. Provides the ability to power off unused subsystems and sensors. The Board size of the module (WxDxH): 57x83x25 mm Fully assembled in a module integrated the following functional components: GSM quadband module SIM900, frequency bands: 850/ 900/ 1800/ 1900 MHz -Voice communication: functions and call. -Receiving and sending SMS messages. Class GPRS multi-slot class 10/8 -Control AT commands (GSM 07.07 ,07.05 and proprietary AT commands SIMCom) - CSD up to 14.4 kbps -PPP-stack - Built-in TCP/IP stack, UDP/IP -Supports HTTP and FTP Protocols Decoding DTMF tones -eMail - compose and send emails via at commands -MMS - formation, Supplement user files and sending using at commands. -Jamming Detection - detection of jamming signal. -Easy Scan - get information about surrounding base stations without connecting the SIM card -PING - check the availability of addresses in the Internet via the exchange of ICMP packets All the necessary circuit to activate the GSM module, ESD protection, frequency converters, signal levels, LC filters to eliminate interference in the power supply are already integrated on the Board. The use of audio channels (microphone and speaker), probably through an audio processor. For the antenna use SMA connector. GPS receiver Gms-g6a, with built-in SMD antenna. It supports two navigation systems GLONASS and GPS. Chip antenna gives results similar to the patch antenna 15х15х4мм. Specifications GPS receiver: -33 channel support / 99 channels detection -support GPS/GLONASS/GALILEO -Dimensions 16 x 16 x 2.1 mm; -High sensitivity, -165дБм; -Support AGPS, and adaptive modes of reduced energy consumption, etc. software options -Consumption: Detection GPS+GLONASS: 35mA, support GPS+GLONASS: 29мА USB interface. For receiving and sending data driver used interface FT232 chip is enabled by the standard scheme. A complete set of all standard speeds from 600 to 115200 bit bit. Peripheral sensors: Bmp085(sensor of atmospheric pressure in the range of 30-110кПа (300-1100hPa) and temperature) SHT21(humidity sensor range 0%RH — 100% RH with a resolution of 12 bits and temperature -40C to +125C and a resolution of 14 bits ), BH1750(light sensor with a resolution of up to 0.5 Lux ). DS18B20 temperature Sensor range -55 +125 ° C with a 1-wire interface LSM303 - tri-axis digital accelerometer combined with a magnetometer (compass) that measures the projection of the magnetic field sensitivity of up to 1.5 Gauss. DS1339 real-time Clock. Module display - LCD display - with a diagonal of 2.8 inches, a resolution of 320*240 pixels. Video driver-ILI9341 SPI. Number of colors - 262 000. The display comes with a resistive touch panel that allows you to develop devices with a graphical GUI interface and touch controls. It incorporates components to control the resistive touch panel drivers touch panel XPT2046 or ADS7843 and switches the led backlight. Audio system based on the highly integrated audio codec Realtek ALC5621 firm Characteristics: -Control interface – I2C. Flexible gain setting for each input and output, flexible adjustment of the way the audio from a particular input to the desired audiowind. 5 band equalizer, supports digital spatial sound and pseudo stereo effect, support noise suppression. Built-in amplifier class-AB and class-D speakers with power to 2.6 watts. External audio interfaces: -Audio line bred to the Jack Audio Jack 3.5 mm -Built-in microphone. Stereo line input and microphone have functions software gain setting and routing(can be used for audio recording in conjunction with the MP3 codec or GSM module, to the gain control signal level as detectors in security systems). -Speaker Output 2W power. -Phone stereo output socket Audio Jack 3,5 mm, with built-in buffer amplifier 45мВт, with auto-off function Speaker Output. Speaker and Phone outputs of the software are configured to output the sound from all sources-radio, MP3 player, GSM modem, microphone. Internal audio interfaces -Analog audio line for the radio. -I2S digital PCM input connected to the MP3 codec. High quality audio MP3 codec – VS1053. The chip allows the VS1053 to decode the audio files in the formats Ogg vorbis, MP3, MP1, MP2, MPEG4, WMA, FLAC, WAV, MIDI, and encode the signal from microphone in mono or stereo Ogg vorbis, IMA ADPCM, 16-bit PCM. Supported bit rate MP3 files to 320кбит. The communication interface of the MP3 codec and a memory card with a microcontroller – SPI. For audio, used high-tech and high-quality way - with a digital I2S interface. The sound is not subjected to distortion in a double conversion and signal lines. Provided all the components to record audio from microphone, line input, GSM module, FM radio . Built-in FM radio based on RDA5807 allows you to receive radio stations all over the FM range 64-108 MHz. High sensitivity and selectivity delivers high-quality reception high-quality sound. Control receiver on the I2C bus. The device has a simple software control, there are automatic station search, volume control, S - meter. The cost of the module depends on a stopped functional components (parts diagrams). The table presents the main components and their cost. When ordering is required to clarify and define the desired function modules. Module, including peripheral passive components-resistors, capacitors, keys, power supply, LC power filters The cost Basic equipment: a Board established by the atmega2560 microcontroller, USB FT232, battery charge controller, buttons, RGB led, Slot microCD card, RTC 48$ GSM Modem 21$ GPS receiver 25$ Sensors: DS18B20, SHT21, BH1750, DS1339 13$ LCD display 2.8 inch 12$ The audio processor 12$ MP3 codec 8$ Fully furnished - included all modules 139$
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