Aux IN Music CD Interface Adapter Audio Jack Cable Lead Compatible with Samsung Galaxy, HTC ONE, Huawei, Sony Xperia Lumia, LG Phone, MP3 Player to Mazda 6, 3, 5, 2, MX5, RX8, M6, M3, Besturn B70

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i suppose I was sort of lucky, the radio on my 2003 Volkswagen Jetta had a connector at the back to attach the aforementioned optional 6-disc CD changer in the trunk. I would like an Aux input, and wonder if I can simply remove the 6 CD changer and use the connector that was attached to it's port to install an aux adapter. One simple and non-invasive way to interface with cassette players is to use the cassette head for input.

Thus, by controlling the mux, you can control the audio that gets to the amplifier and thus the speakers. In final form, a Bluetooth module and Arduino Pro Micro are stuffed inside the stereo along with a DPDT relay to switch the I2C bus. Some big, 2200u and 3300u low esr caps, dc-dc isolating converter and even a low noise regulator had to be used.I kept reading this article over and over and wondered why no one recommended a simple FM (or AM, I guess) Bluetooth->FM transmitter.

Edge cases exist and depending on the minute specifics of how your original car radio works, these exact methods may or may not work for you. Connect the left and right channels of the AUX cable to IN2_L and IN2_R using factory 1uF SMD capacitors (C153 and C154). To achieve your goal, you need to find a way of injecting the audio signal into the head unit’s amplifier stage, while making sure no other audio sources are getting sent there as well. The Hitachi HD14052BP in the middle of this image decides which audio gets sent out to the amplifier.Certain luxury cars in the late 1990s use a digital audio input over optic fibre that is difficult to spoof with off-the-shelf hardware. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. Business CD53 Radios even though the sellers of these units either don't know this or won't mention that to you if they do.