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how do I connect Rpi1 and M1?
recapix

recapix

@copilot how do I connect Rpi1 and M1?
2y

copilot

To connect the Rpi1 (Raspberry Pi) module to M1, you should follow the I²C communication lines and power connections outlined in your project description. Here's how you can connect them:
Power Connections
  1. 3.3V Supply from Rpi1 to M1
    • Connect Rpi1:3V3 to M1:3.3V
  2. Ground Connection
    • Connect Rpi1:GND to M1:GND
I²C Communication Lines
  1. Serial Clock Line (SCL)
    • Connect Rpi1:GP3 to M1:I2C_SCL
  2. Serial Data Line (SDA)
    • A connection for the Serial Data Line (SDA) is not explicitly mentioned in your project, but assuming the standard I²C communication, you will also need to connect the SDA line between Rpi1 and M1.
    • Connect Rpi1:GP4 to M1:I2C_SDA (This assumes GP4 is your intended SDA pin; adjust as necessary based on your actual GPIO configuration).
Note: The connections for 3.3V and GND may already be defined in your schematic as "U2 VOUT - M1 3.3V" and "Rpi1 GND - M1 GND". Review your schematic to confirm these connections or adjust as needed. Additionally, the assumption for the SDA connection through GP4 is made based on common practices; please verify your Rpi1's pinout and adjust as necessary.
By making these connections, you enable power supply from Rpi1 to M1 and allow I²C communication between the two modules.
2y
3
how do I connect U2 and M1?
recapix

recapix

@copilot how do I connect U2 and M1?
2y

copilot

To connect U2 (a voltage regulator, AMS1117-3.3) to M1 (which seems to be a module requiring 3.3V, GND, and I2C communication), you'll primarily need to establish power supply connections and ensure the I2C lines are properly connected if the U2 regulator is to supply power specifically for the I2C communication too. Here’s how you can make the connections based on the information provided:
  1. Power Supply Connections:
    • Connect the 3.3V output of U2 to the 3.3V input of M1:
      • Connect U2:VOUT to M1:3.3V
  2. Ground Connection:
    • Connect the ground (GND) of U2 to the ground (GND) of M1 to complete the power supply circuit:
      • Connect U2:GND to M1:GND
I2C communication seems to involve Rpi1 (a Raspberry Pi) and M1, as indicated by the connection of Rpi1 GP3 to M1 I2C_SCL and possibly similar connections for I2C_SDA which you haven't specifically asked about but are essential for I2C communication. Since U2's role is to provide power, the I2C lines don't directly involve U2 but make sure the M1 module has a common ground with Rpi1 when implementing I2C communication, so ensure:
  • Rpi1 GND is connected to M1 GND (this seems already planned as per your project descriptive).
For I2C communication between Rpi1 and M1, ensure:
  • Rpi1 GP3 (configured as SCL) is connected to M1 I2C_SCL.
  • If SDA connection is required, ensure an analogous connection is made from a designated GPIO on the Rpi1 acting as SDA to M1 I2C_SDA.
Please verify the specific connections for I2C SDA if I2C communication is part of your design and adjust the GPIO references according to the actual pin configured as SDA on your Raspberry Pi.
2y
2
U2 GND - M1 GND
P1
P6
U2
P2
P3
U2 GND - M1 GND
U2 VOUT - M1 3.3V
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Managing Ivory Dejarik

Managing Ivory Dejarik thumbnail
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