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The Buzz Click board is an accessory board in mikroBus form factor. The board features a piezo speaker capable of emitting audio signals, with a resonant frequency of 3.8kHz. The on-board buzzer driver is connected to both the CS and PWM mikroBus lines. It is set to use the 5V mikroBus power supply by default, however soldering the PWR SEL SMD jumper to the 3.3V position will allow it to be used with 3.3V mikroBus systems. |
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The EasyBuzz Board enables your development system to emit audio signals. It contains a piezo speaker capable of playing sound frequencies in the range between 20Hz and 20kHz. There is also an on-board DIP switch used to connfigure board connections. |
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The MP3 Click board is an accessory board in mikroBus form factor. It includes the VS1053 stereo MP3 decoder chip, which can decode multiple formats (Ogg vorbis, MP3, MP1, MP2, MPEG4, WMA, FLAC, WAW, MIDI). It can also encode, in mono or stereo, three different formats from the microphone input (Ogg vorbis, IMA ADPCM, 16-bit PCM). The board uses the industry-standard Serial Peripheral Interface (SPI) standard for communication, and can only be used with a 3.3V power supply. Stereo headphone and microphone audio connectors are included on the board. |
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The SmartMP3 is an additional board used to play audio files in several formats. It contains the VS1053 stereo audio codec (Ogg Vorbis/MP3/AAC/WMA/FLAC/WAV/MIDI), two 3.5mm stereo audio connectors (MIC/LINE IN and Headphones), a built-in speaker, a microSD card slot, and a 2x5 male header for further connectivity on MikroElektronika Easy development boards. SmartMP3 communicates with the target board microcontroller via an SPI interface. Connectivity can be established through the flat cable provided with the board. |
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FM Click features the Si4703 IC, and is a complete FM radio tuner in the form of an add-on board. It supports worldwide FM band (76 - 108 MHz). The board contains two LM4864 audio amplifiers as well. The Si4703 has a nice set of features; such as automatic frequency and gain control, RDS/RBDS processor, seek tuning and volume control. FM antenna is provided through the earphones cable (recommended length between 1.1 and 1.45 m), which is plugged into on-board 3,5mm audio connector. FM Click has a simple I2C interface. All these features make this board ideal for MP3 players, portable radios, PDAs, notebook PCs, portable navigations and many more. The board is designed to use a 3.3V power supply only. |
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Text To Speech click is a mikroBUS add-on board that carries an Epson S1V30120 speech synthesis IC. The IC is powered by the Fonix DECtalk v5 speech synthesis engine that can make your robot or portable device talk in US English, Castilian Spanish or Latin American Spanish, in one of nine pre-defined voices. The DECtalk engine includes a parser that gives users fine control over the quality, pitch and intonation of the synthesized speech. The audio is reproduced at 11.025kHz sampling rate. Text To Speech click board communicates with the target board microcontroller through the mikroBUS SPI interface (MISO, MOSI, SCK, CS) with additional functionality provided by DRDY, NRST and MUTE pins (in place of default mikroBUS INT, RST and AN pins) It can use either a 3.3V or 5V power supply. |
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The SpeakUp click is a speaker dependent speech recognition accessory board, which also has the ability to run standalone (no external microcontroller needed). It can be programmed to recognize over 200 different voice commands, which the onboard STM32F415RG MCU can react to. It works by matching sounds with pre-recorded commands. The firmware is based on the DTW speech recognition alghoritm, which enables fast operation with instant recognition. Sound is received through an onboard microphone and then processed by a VS1053 IC with a built in stereo-audio codec. The SpeakUp comes with a dedicated software tool for easy configuration. The board is lined with 12 user programmable GPIOs for standalone functionality, and can also be connected to a mikroBUS host socket, with communcation via SPI, I2C or UART.
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SpeakUp 2 click is a speech recognition click board with a simplified design compared ot the original SpeakUp click. Set it up to recognize up to 100 commands and have the onboard MCU carry them out instantly. |
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Noise click is a mikroBUS add-on board with noise detecting circuitry. It enables you to set a noise detection threshold for alarm systems, environmental monitoring or data logging. When the volume of ambient sound reaches the set threshold, an interrupt is triggered.
The most important parts of the circuit are the microphone, an RMS-to-DC converter, two dual rail-to-rail Input/Output 10 MHz operational amplifiers, and a 12-bit digital-to-analog converter (DAC).
The 12-bit DAC provides the reference voltage - the noise threshold - for the comparator. You set the exact level through the SPI interface. The threshold should be configured through trial and error (4096 discrete values to select from).
Beside SPI, EN and OUT pins provide additional functionality.
The board works on a 3.3V power supply. |
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AudioAmp click is a mikroBUS add-on board that functions as a mono audio amplifier. It is driven by a Texas Instruments LM48100Q-Q1 Boomer Mono, 1.3W Audio Power Amplifier IC.
AudioAmp click has one 3.5 mm input jack and next to it screw terminals for connecting output wires to a passive speaker. It has dual audio inputs that can be mixed/multiplexed to the device output. Each input path has its own independent, 32-step volume control. The mixer, volume control and device mode selection are controlled through the mikroBUS I2C interface.
Fault detection is another important feature of LM48100Q. It senses the load conditions, protecting the device during short circuit events, as well as detecting open circuit conditions.
AudioAmp click can work either on a 3.3V or a 5V power supply. There's an additional jumper for selecting the I2C address as well. The open-drain output fault flag. FAULT is routed through the default mikroBUS INT pin (0 indicates that a fault condition has occurred). |
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Audio Amp 2 click is a highly efficient class D audio amplifier, using the TDA7491, a dual BTL class-D audio amplifier IC, capable of delivering up to 20W to 8? load. This amplifier IC features high-efficiency output stage drivers and clever design, allowing it to deliver a reasonably high power to the connected speakers, using only GND polygon on the PCB for heat dissipation. In the BTL topology, the output DC blocking capacitors are not required. This allows for simpler design and lower power losses, especially with no input signal. The TDA7491 amplifier IC is equipped with a set of protection features, that allow reliable operation. |
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AudioAmp 4 click is a low-power audio amplifier with a digital volume control. It is equipped with the LM4860, an audio amplifier IC capable of delivering up to 1W of continuous power to an 8 O load. It has a very low total harmonic distortion (THD) of less than 1% over the entire audio spectrum, which makes it perfectly suited for small boom-boxes, PC speakers, and similar low-power sound reinforcing devices that can be powered by batteries. A high integration level of the LM4860 IC allows an additional circuit for digital signal attenuation to be used, offering 8 different volume levels, selectable over 3 GPIO pins of the mikroBUS™.
AudioAmp 4 click is supported by the mikroSDK compliant library, which includes functions that simplify software development. The Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ slot.
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Audio Amp 5 Click is a stereo audio amplifier, capable of delivering up to 10W per channel with the 8? load. It is based on the TPA3138D2, a class-D integrated amplifier, which utilizes a highly efficient switching scheme. With about 20mA in idle mode, it allows for longer operation and improved thermal performance, making it a perfect choice for various battery-powered applications. Advanced EMI Suppression with Spread Spectrum Control allows using ferrite bead filters instead of bulky inductors, still maintaining the required EMC levels. The TPA3138D2 IC is equipped with a set of protection features, allowing a reliable operation.
Audio Amp 5 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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Audio Amp 6 click is a mono/subwoofer audio amplifier, capable of delivering up to 18.5W per channel with the 4? load. It is based on the TPA3138D2, a class-D integrated amplifier, which utilizes a highly efficient switching scheme. With about 20mA in idle mode, it allows for longer operation and improved thermal performance, making it a perfect choice for various battery-powered applications. Advanced EMI Suppression with Spread Spectrum Control allows using ferrite bead filters instead of bulky inductors, still maintaining the required EMC levels. The TPA3138D2 IC is equipped with a set of protection features, allowing a reliable operation.
Audio Amp 6 click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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StereoAmp click functions as a stereo amplifier and is ideal for battery operated devices or as a lab amplifier. It features two LM48100Q-Q1 Boomer single supply, mono, bridge-tied load amplifier ICs by Texas Instruments. The LM48100Q-Q1 has output fault detection and I2C volume control.
The StereoAmp click features a 3.5mm input jack and four output screw terminals for connecting passive speakers. It runs on either 3.3V or 5V power supply and communicates with the MCU through the I2C interface. |
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2x5W AMP click functions as an amplifier and features the TDA7491LP 2x5-watt dual BTL class-D audio amplifier. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target MCU over the following pins on the mikroBUS™ line: AN, RST, CS, PWM, INT. |
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The AudioAMP Board features an on-board power amplifier LM386 designed for use in low voltage consumer applications. The quiescent power drain is only 24 milliwatts. The board can be connected to your prototype device via on-board screw terminals. |
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The Microphone AMP Board enables you to add a power amplifier with microphone to your applications. There is an on-board Audio Power Amplifier LM386 and microphone that can be connected to your prototype device via an on-board screw terminal. |
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BassBoy is a monophonic digital MIDI controlled bass synthesizer. Device receives all information via MIDI input (mono connector). With your own digital MIDI bass synthesizer your MIDI songs will sound like a real live stage band. BassBoy runs on 8-bit ATXMega32D4 microcontroller. |
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Ever since its inception, Raspberry Pi has been a popular solution for home multimedia centers for many people. But the poor sound reproduction abilities of the Pi were a deal-breaker for anyone remotely interested in Hi-Fi. Not anymore. Play hi-quality audio from your Raspberry Pi B+ with RaspyPlay4. This add-on board features the PCM5122 DAC with excellent dynamic performance for audiophile-worthy reproduction of your favorite music, on a budget. It supports FLAC, ALAC, MP3 and WMA sound formats. Software-wise, it's compatible with several solutions, but we recommend RuneAudio. Store your favorite albums on USB flash, USB hard drive, SD Card, on a NAS server, or even stream it through AirPlay — RaspyPlay4 supports it all. Kick your feet up, relax and enjoy. |
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GainAMP click carries the LTC®6912 dual channel, low noise, digitally programmable gain amplifier (PGA). The click is designed to work on either 3.3V or 5V power supply. It communicates with the target MCU over SPI interface, with additional functionality provided by the following pins on the mikroBUS™ line: AN, RST. |
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GainAMP 2 click is a 6-channel programmable gain amplifier, used to amplify signals on any of the 6 non-inverting input channels up to 32x, in eight discrete steps. The gain can be set via the SPI communication interface. The click has a high signal to noise ratio, a good bandwidth, and very low gain error. These features make it an ideal solution for amplifying sensitive low signals from various sources.
Due to its low noise compared to most of the ADCs, it can be used to adjust the dynamic range of the ADC input signal. The GainAMP 2 can also be used to expand the analog input capacity of the MCU with the additional gain control for each source. This click can be easily daisy-chained if more than six inputs are needed - or to achieve other gain ratios, not possible with a single device. |
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Mic click carries the SPQ0410HR5H-B surface mount silicon microphone with maximum RF protection. The click is designed to run on a 3.3V power supply. It communicates with the target microcontroller over the AN pin on the mikroBUS™ line. |
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MIC 2 click is equipped with a small electret microphone, accompanied by a suitable pre-amplifying circuit. The small electret microphone is not capable of providing sufficient line-level output; therefore, the pre-amp has to be used. The pre-amp circuit consists of a dual op-amp and a digitally controlled potentiometer IC. Thanks to the AD5171, it is possible to control the feedback loop gain of the MCP6022 op-amp over the I2C interface, in 64 discrete steps. The AD5171 digital potentiometer IC can lock-out its wiper by means of OTP fuse bit: once locked, it will permanently retain the programmed value.
MIC 2 click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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BUZZ 2 click carries the CMT-8540S-SMT magnetic buzzer transducer. The buzzer's resonant frequency is 4kHz. The click is designed to run on either 3.3V or 5V power supply. |
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20W, stereo, high-performance digital amplifier
2x20W Amp click carries the MAX9744 stereo class D audio power amplifier from Maxim Integrated. This click brings the Class AB sound performance with Class D efficiency. The perfect combination for your speakers. 2x20W Amp click also offers 64 step volume control, single-supply operation, adjustable gain, and industry-leading click-and-pop suppression. |
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RadioStation click is a unique click board™ that can be used to broadcast the music via the FM radio band. It features the Si4713-B30 from Silicon Labs, the best in class integrated FM broadcast stereo transmitter, which operates in the frequency range of 76MHz to 108MHz. It can also broadcast RDS/RDBS data. The click board™ can be equipped with a small FM antenna, which is used to extend the broadcasting range.
One of the advantages of this versatile FM broadcast stereo transmitter IC is that it needs almost no external components so it is very easy to work with it. That makes it an ideal solution for using it in cellular phones, MP3 players, portable media players, wireless speakers, personal computers and any other applications, where short-range radio broadcasting is wanted. |
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AudioMUX click is a sound processing Click board™ with digital controls, based on the TDA7468D IC. It can be used to select one of four audio input channels, adjust its frequency response and volume, and send it to the output. There is also a BASS ALC section implemented on this IC, keeping the base in control even on higher volume settings. Independent LEFT and RIGHT channel volume, digital control over the I2C interface, a full set of 3.5mm vertical jack connectors onboard… All these features make this Click board™ a very good solution for the development of all kinds of audio applications.
AudioMUX click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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EVC Click is a six-channel digital volume controller, equipped with an integrated electronic volume control circuit, which can be controlled over the I2C interface. The PT2258 IC offers six individual input channels, each with the attenuation range between 0 and -79dB, in 1dB steps. This chip requires a minimum number of external components, simplifying its implementation in a wide range of modern audio application. As an audio circuit, EVC click features very low noise and high Signal to Noise ratio (SNR) of more than 100dB. Low Total Harmonic Distortion (THD) of 0.005% ensures absolute sound clarity.
EVC click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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Rec&Play Click is a digital voice recorder on a Click board™. It is based on the ISD3900, a multi-message record and playback device. It features the ChipCorder® technology, offering digital sound compression, smart message management, digitally configurable signal path, and more. Several audio inputs and outputs are available to the user. A small omnidirectional electret mic, as well as a miniature 700mW neodymium speaker are included on the Click board™, making it a complete playback & recording solution, capable of capturing up to 32 minutes of audio. It also offers numerous connectivity options.
Rec&Play click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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