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Grove Buzzer
KI 46159
This simple yet effective Grove buzzer module is a standard board mounted piezo sounder. It can be added to a digital output and will emit a tone when the output is high. It can also be attached to an analogue pulse width modulation (PWM) output and can generate various tones and effects. It has an operating voltage of between 3.3V - 5V and the board is fitted with a standard Grove connector.
Features:Add sound to your Grove projects with this plug and play module. A piezo buzzer module that can used with both digital and analogue outputs. It has an operating voltage of between 3.3V - 5V. The board featured a standard Grove connector. Length: 24mm, width: 20mm, height: 9.8mm
Requires:A Grove compatible interface. A Grove compatible connector cable.
Features:
Requires:
€3.95
Kitronik Miniature Buzzer 6v 10 Pack
KI 3306
These Miniature Buzzers are a low cost miniature transistor oscillator 6V buzzer with flying leads. They have a single-tone frequency of 400hz and a sound output of 75dB @ 200mm. They are rated for 4V - 8V (6V nominal) and a current of 25mA and the driver circuitry is built in. These buzzers are supplied as a pack of 10.
The buzzer unit is L23mm x W17mm x H15.5mm, with fixing centres at 27.5mm, which gives a total length measurement of 33.5mm. The colour-coded (red & black) flying leads are 100mm. To ensure optimum performance and to protect the buzzer, ensure that the supply (e.g. batteries) is connected in the correct configuration.
Features:Low-cost miniature transistor oscillator 6V buzzer with 100mm flying leads. They have a single-tone frequency of 400hz and a sound output of 75dB @ 200mm. Driver circuitry is built in. Rated for 4V - 8V (6V nominal) and a current of 25mA. L23mm x W17mm x H15mm, with fixing centres at 27.5mm, which gives a total length measurement of 33.5mm. Supplied as a pack of 10.
Dimensions:Length: 23mm. Width: 17mm. Height: 15.5mm. Fixing Centres: 27.5mm. Total Length: 33.5mm.
The buzzer unit is L23mm x W17mm x H15.5mm, with fixing centres at 27.5mm, which gives a total length measurement of 33.5mm. The colour-coded (red & black) flying leads are 100mm. To ensure optimum performance and to protect the buzzer, ensure that the supply (e.g. batteries) is connected in the correct configuration.
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€11.95
Kitronik Mono Amplifier V3.0 Pre-Built
KI 2165B
Version 3 is the newest version of Kitronik's best selling pre-built Mono Amplifier Kit that can be used with any personal stereo equipment, including MP3 players, making it an ideal kit choice for an amplifier case design project.
It uses an NCP2890 audio amplifier IC which can output 1.0W of power. The NCP2890 is an audio power amplifier designed for portable communication device applications such as mobile phone applications and PDAs. The IC also features an onboard “Pop and Click” at startup and closedown Noise Protection Circuit.
The kit comes pre-built and is supplied with a pre-built jack cable, an 8ohm 66mm speaker, and a AA battery pack and can run off any voltage from 2.2 to 5.5 Volts (Absolute Maximum 6V). For a full list of parts, see the Contents section below.
All that is required is to solder the jack lead, speaker & battery cage to the board and you are good to go. Previous versions of this amp included a PP3 power connection and were designed to operate around 9V, V3.0 has been designed for use with 2 x AA batteries. There are several advantages to using AA batteries over PP3, they include; AA batteries are much cheaper, more readily available and will also last significantly longer than PP3 batteries, anything up to ten times longer.
Features:Pre-built kit allows you to concentrate on product design rather than assembly. Great value electronic project kit. Works with any stereo equipment, including computers, phones, and tablets that can accept the jack lead.
Contents:1 x 3.5mm Mono Jack Lead, 50cm length. 1 x 8 ohm 66mm Speaker. 1 x AA battery Cage with Leads. 1 x Pre-built Mono Amplifier.
Dimensions:PCB Length: 44.5mm. PCB Width: 35.5mm. PCB Height: 1.6mm.
It uses an NCP2890 audio amplifier IC which can output 1.0W of power. The NCP2890 is an audio power amplifier designed for portable communication device applications such as mobile phone applications and PDAs. The IC also features an onboard “Pop and Click” at startup and closedown Noise Protection Circuit.
The kit comes pre-built and is supplied with a pre-built jack cable, an 8ohm 66mm speaker, and a AA battery pack and can run off any voltage from 2.2 to 5.5 Volts (Absolute Maximum 6V). For a full list of parts, see the Contents section below.
All that is required is to solder the jack lead, speaker & battery cage to the board and you are good to go. Previous versions of this amp included a PP3 power connection and were designed to operate around 9V, V3.0 has been designed for use with 2 x AA batteries. There are several advantages to using AA batteries over PP3, they include; AA batteries are much cheaper, more readily available and will also last significantly longer than PP3 batteries, anything up to ten times longer.
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€5.50
Kitronik Thin Speaker 0.25w 8ohm 40mm
KI 3341
This is the perfect speaker for projects that produce sound but where space is tight or where the speaker needs to be discreet. These speakers work well with the BBC microbit; you can code the microbit to play music or emit a beep as an alarm and this little speaker will do an admirable job.
This a 0.25W, 8ohm speaker is only 40mm in diameter and just over 4mm thick making it very similar in size to those found in talking greeting cards, you could even design a microbit talking greeting card that has the built in micro:bit as a present as well as part of the card.
Features:8ohm speaker that is ideal for use with the BBC microbit. 4mm thick, making it ideal for use as a discreet speaker.
Contents:1 x 0.25W, 8ohm speaker.
Dimensions:Diameter: 40mm. Thickness: 4mm.
Requires:Soldering Iron. Solder.
This a 0.25W, 8ohm speaker is only 40mm in diameter and just over 4mm thick making it very similar in size to those found in talking greeting cards, you could even design a microbit talking greeting card that has the built in micro:bit as a present as well as part of the card.
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Contents:
Dimensions:
Requires:
€2.25
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