ESP 32 Audio Development Board for an ESP 32 NODE MCUDesigned by DEMP_1993 in Germany
Information about the versions: Old Version: - Header P1 and P2 (1x15) for ESP32 are switched Results of this switching: -Audio DAC works -One tactile button is on a non GPIO pin (SW2->EN, ...Read More…
Information about the versions:
- Header P1 and P2 (1x15) for ESP32 are switched
Results of this switching:
-Audio DAC works
-One tactile button is on a non GPIO pin (SW2->EN, SW1->GPIO36)
-6 pin header writing is wrong (Writing on PCB->real GPIO) (D27->GPIO16,D15->GPIO13, D14->GPIO4, D12->GPIO2,D13->GPIO15, GND->GND)
- Writing mistake of the boardname on the back
New Version (Available December 2019/January 2020):
- Header P1 and P2 (1x15) for ESP32 are changed
- Audio Jack changed to through hole
- Correct boardname on the back
What is it?
A audio development board for an ESP 32 NODE MCU. With this board you can get a decent analog audiosignal out of the ESP 32.
Only Plug this Audio Development Board on an ESP 32 NODE MCU (e.g. ESP 32 DEVKIT V1 DOIT), flash it with this Code and you get a good sounding Bluetooth audio receiver.
You can also write your own Code for an bluetooth audio receiver, an internetradio or something else where you need a analog audio out.
Why did you make it/What makes it special?
May you know the sound of the cheap bluetooth audio boards from china. They have a loud noise floor, a bad audio quality and an annoying sound if you connect your phone, change the volume or do other activities.
With this audio development board you have no annoying sounds and you can add your own features in the code. You can build the Audio Receiver you ever want. The combination with low ESR and high frequency capacitors provides no switching noise from ESP32 and the Power Supply.
-Burr-Brown DAC Chip
-Sampling frequency up to 384kHz
-Resolution up to 32 Bit
-Low noise Power Supply with low ESR Capacitors
-Two tactile switches
-6 pin header with GPIOs and ground
What you get:
A fully soldered and assembled audio development board for the ESP32 Node MCU (e.g. ESP 32 DEVKIT V1 DOIT).
You can also get the audio development board with an compatible ESP32 Node MCU.
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