There are four different types of chipset available. Now, first you have to figure out chipset for your device. Now, every connection has been completed, so power up the Raspberry Pi zero W by using micro-USB cable. In the image given below, you can see all connections on Raspberry Pi zero W. Thereafter, connect the USB sound card to Raspberry Pi zero W using USB hub and connect Speaker and Mic to USB sound card by using 3.5 mm audio jack. Now, connect your monitor with Raspberry Pi zero W by using micro-HDMI cable and connect OTG cable to Raspberry Pi zero W. Installing USB Sound Card in Raspberry Pi Zero W Can be used with any device which uses USB portable devices.Allows the use of older audio accessories with newer computers.Convenient tangle-free flat cable design.Overcomes the limitation of some portable USB ports, Turning a USB port in two distinct positions 3.5mm audio ports, allowing you to connect a microphone as well as external speakers.Specifically for mic-capable headphones.Two 3.5mm (3-position) Female Jacks (1 for the mic, 1 for headset).In the image given below, you can see image of USB sound card. USB Sound Card is a USB to 3.5mm microphone and headphone jack converter that we will use for connecting mic and speaker with Raspberry pi zero W. The 3.5mm Earphone Splitter Adapter converts one USB plug into two 3.5mm female jacks, allowing you to use a USB port to add a mono microphone input and a stereo output to your PC or laptop. In this tutorial, we are going to use MobXterm in SSH mode to connect it with Raspberry Pi Zero W. It is also assumed that you have access to your Raspberry Pi terminal window. If it is not, then you can follow our previous tutorial on Getting Started with the RASPBERRY PI ZERO W – Headless Setup without Monitor. It's expected that your Raspberry Pi already has an operating system installed and can connect to the internet. Component Required for installing and testing USB Sound Card on Pi Zero This tutorial is the part of our Raspberry Pi Zero series where we are going to install USB sound card in Raspberry Pi zero W and we will use ALSA utilities to test sound card and sound device. The USB sound card or bespoke analogue with an ADC (analog-digital converter) can be used to connect the additional hardware to Raspberry Pi. We all know that the Raspberry pi zero W does not have audio hardware and pin-based PWM situation. A USB sound card along with the microphone is used to add audio capabilities to Raspberry Pi Zero that lacks an audio connector like other Pi versions.
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