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how do I connect U1 and J1?
vignesh121

vignesh121

connect the components
1y
vignesh121

vignesh121

@copilot how do I connect U1 and J1?
1y

copilot

To connect the Arduino MKR ZERO (U1) to the SOFNG microSD card socket (J1), we need to establish an SPI (Serial Peripheral Interface) communication between these two components. Considering the provided pinouts and assuming the utilization of SPI for communication with the microSD card, here's how you could connect them:
  • SPI Connection:
    • Connect U1:17 (8_MOSI) to J1:1 (DAT2) for the MOSI (Master Out Slave In) line.
    • Connect U1:19 (10_MISO) to J1:7 (DAT0) for the MISO (Master In Slave Out) line.
    • Connect U1:18 (9_SCK) to J1:5 (CLX) for the clock line.
    • A specific pin from the Arduino should be used as SS (Slave Select). However, the given microSD card socket (J1) doesn't have a designated SS pin since it typically relies on the SPI device library to allocate any digital IO for this purpose. So, you can choose any digital IO from U1 that is not in use (e.g., U1:10 (1)) and treat it as the SS pin for software control.
  • Power and Ground Connections:
    • Connect U1:27 (VIN) to J1:4 (VDD) for the power supply. Given that your operating voltage is 12V, ensure that the ARDUINO MKR ZERO can handle this voltage on its VIN pin. If not, use U1:28 (5V) if your Arduino can be powered via a USB or external 5V supply and your microSD socket operates at 5V.
    • Connect U1:25 (GND) to J1:6 (VSS) for the ground connection.
Please, adjust the voltage connection according to the actual power requirements and the voltage tolerance of your microSD card socket (J1). MicroSD cards typically operate at 3.3V, and the Arduino MKR ZERO's I/O pins are also 3.3V tolerant. If J1 requires 3.3V, you should use U1:26 (3V3) instead of VIN or 5V.
Additional considerations:
  • You might need pull-up resistors on the SPI lines depending on your setup and the requirements of your microSD card module.
  • For the SS pin (or any digital IO chosen for this purpose), remember to configure it accordingly in your Arduino sketch.
  • Check the datasheet of your microSD card socket (SOFNG: TF-015) for any additional requirements or recommendations for connections, such as the need for decoupling capacitors on the power lines.
Let me know if you need further clarification or assistance with another part of your project!
1y
how do I connect U1 and U2?
vignesh121

vignesh121

@copilot how do I connect U1 and U2?
1y

copilot

To connect the Arduino MKR ZERO (U1) and the ESP32-DEVKIT-V1 (U2) for a basic data exchange setup, you'll want to consider a serial communication link given both boards support serial communication. This will allow U1 to send and receive data to/from U2 through RX/TX (receive/transmit) pins. Given the complementarity of your project's focus on audio applications, establishing this communication link can enable scenarios like audio data streaming or control signal exchange between these two boards.
Given the specifications, here's how you can connect them:
  • Power Connections:
    • Since both operate at 3.3V, you'll need to ensure they are powered correctly, considering their common operating voltage.
    • Connect U1:GND (Pin 25) to U2:GND (Pin 2 and Pin 29) to establish a common ground.
    • Connect U1:3V3 (Pin 26) to U2:3V3 (Pin 1). This powers the ESP32-DEVKIT-V1 by the Arduino MKR ZERO.
  • Serial Communication:
    • For serial communication, you can use U1's Serial1 instance which communicates through pins 13 (RX) and 14 (TX).
    • Connect U1:14_TX (Pin 23) to U2:RX0 (Pin 12) for transmitting data from U1 to U2.
    • Connect U1:13_RX (Pin 22) to U2:TX0 (Pin 13) for transmitting data from U2 to U1.
Please make the following connections:
  • Connect U1:25 (GND) to U2:2 (GND) and U2:29 (GND).
  • Connect U1:26 (3V3) to U2:1 (3V3).
  • Connect U1:23 (14_TX) to U2:12 (RX0).
  • Connect U1:22 (13_RX) to U2:13 (TX0).
Before powering the system, make sure that both boards are correctly configured to communicate over the selected serial ports in their respective software environments. For the Arduino MKR ZERO, you would use the Serial1.begin(baudRate) function to start serial communication, and a similar initialization needs to be done on the ESP32 side using the appropriate library functions. Remember, the baud rate you choose must match on both devices.
Also, considering you're designing an audio-related project, ensure any data communication setup doesn't introduce noise that could affect audio quality. Shielding and proper grounding are essential in such setups to minimize interference.
1y
2
U1
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Inspect

Audio Electronics | Copilot Preset 5HH9

Audio Electronics | Copilot Preset 5HH9
Description

Created
Last updated by vignesh121
1 Contributor(s)
vignesh121

Controls

Properties

Domain Application
Audio
Compliance
RoHS, FCC, CE
Operating Voltage
12V
Operating Temperature
-40 ºC to 85ºC
Human Interface
LED, Potentiometer
Connectivity
Bluetooth 5.0, 3.5mm Jack, Screw Terminals
Amplifier Type
Class D
Input Source
Line-level from standard audio source
Output Power
Number of Channels
2 (stereo)
Distortion
THD of less than 0.1% at full power
Frequency Response
20Hz to 20kHz

Availability & Pricing

DistributorQty 1

Assets