Raspberry Pi HATs

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  • HiFiBerry DAC+ ADC

    HiFiBerry HiFiBerry DAC+ ADC

    Features Stereo input and output Dedicated 192 kHz / 24-bit high-quality Burr-Brown DAC Dedicated 192 kHz / 24-bit high-quality Burr-Brown ADC Hardware volume control for DAC. The output volume can be controlled using “alsamixer” or any application that supports ALSA mixer controls. Connects directly onto the Raspberry Pi. No soldering required. Compatible with all Raspberry Pi models, that have a 40-pin GPIO connector No additional power supply required. Three ultra-low-noise linear voltage regulators. HAT compliant, EEPROM for automatic configuration. Gold plated RCA output connectors. Includes 4 M 2.5 x 12 mm spacers. Analogue input, phone jack 3.5 mm Analogue output RCA Analogue output (P5) Input configuration jumper (J1) Connector for balanced input (P6) Please note: Layout and components might change without further notice. Balanced/unbalanced input connector (P6) The 5-pin connector can be used to connect a balanced input. Please note that the balanced input has to be selected with the jumpers and will always have a 12 dB gain. It shouldn't be used with line-level inputs. Pin 1 is on the left. right + right – GND left – left + Output connector (P5) The output connector realizes connections to external components like an amplifier. Pin 1 is on the top left. +5V 1 2 R GND 3 4 GND +5V 5 6 L Input gain settings (J1) The jumper block is responsible for the input configuration. It is recommended to use the default setting without additional input gain. 32 dB gain can be used to connect dynamic microphones. Jumpers are numbered from top to bottom. 1 2 3 4 function 1 0 0 – 0 dB gain 0 1 1 – 12 dB gain 0 1 0 – 32 dB gain 0 0 1 – balanced input, 12 dB gain Specifications Maximum input voltage: 2.1 Vrms - 4.2 Vrms for balanced input Maximum output voltage: 2.1 Vrms ADC signal-to-noise ratio: 110 dB DAC signal-to-noise ratio: 112 dB ADC THD+N: -93 dB DAC THD+N: -93 dB Input voltage for lowest distortions: 0.8 Vrms Input gain (configurable with Jumpers): 0 dB, 12 dB, 32 dB Power consumption: < 0.3 W Sample rates: 44.1 kHz - 192 kHz In order to use the HiFiBerry DAC + ADC, your Raspberry Pi Linux kernel must be at least version 4.18.12. Click here to learn how to update the Raspberry Pi kernel Using microphones with the DAC+ ADC The DAC+ ADC is equipped with a stereo analogue input that can be configured for a wide range of input voltages. It performs best with line-level analogue sources. However, it is also possible to use it as a microphone input. You can only use dynamic microphones. Microphones that require a power supply are not supported. The microphone output voltage is very low. This means you need to amplify it. The DAC+ ADC has the necessary pre-amplifier already equipped. You will have to set the jumpers correctly. The sound from the input won’t be played back automatically on the output. You will have to use some software that reads the input and outputs it again. Setting the correct input amplifier settings for a microphone By default, the input sensitivity is matched for line-level audio sources. This is done via a jumper on the J1 header. In order to use a microphone, the jumper needs to be set up as shown below. Audio input to output There is no direct connection between the input and the output. That leads to the input from the connected microphone to not be played back automatically. If you want to hear it on the output, you need to use the command line tool alsaloop can be used for this.

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    € 89,95

    Members € 80,96

The fact that Raspberry Pi computers are extremely popular is evident from the 34 million units sold. But that the Pi computers and technology even into space reaching, is probably new to you.

What is a Raspberry Pi HAT?

Raspberry PI HATs (Hardware Attached on Top) are an add-on module for your standard mainboard. If you want to get more out of your Raspberry projects, HATs are exactly what you are looking for. You can easily plug in the HATs thanks to the 40-pin GPIO header. This not only expands the hardware, but also the possibilities you have with that hardware. If you want to get more out of the Raspberry Pi, HATs are indispensable.

Before the introduction of the HAT in 2014, many hardware add-ons had already been developed for the mini computers. This was the reason for Raspberry to develop its own standard that should make it easier for makers and programmers.

Because connecting external hardware to the Raspberry Pi involved quite a few actions, this is a thing of the past with the arrival of the HAT. The HAT ensures that the correct driver is automatically recognized, loaded and connected.

What can you use Raspberry Pi HATs for?

The possibilities of Raspberry Pi's technology and hardware were already great, but since the introduction of HATs in 2014, these have become even greater. Anyone who expands their Raspberry mainboard with a HAT has, in addition to the standard functionalities of their Pi model, also

  • Get more audio options
  • Get more display options
  • Or more Motor & Get servo capabilities

With Elektor HATs you can combine endlessly and make your project better, easier and more user-friendly.

The Raspberry range at Elektor

As an approved reseller of Raspberry Pi products, Elektor is the webshop in the Netherlands to buy official Raspberry products. Because there is no intermediary between the factory and our webshop, we can offer our range at cheap prices.

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