demezaa / Electric Meter

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give a component list to create a electric meter device using a ESP32 as control...
demezaa

demezaa

@copilot give a component list to create a electric meter device using a ESP32 as controller and a OLED display to measure Voltage, Amperage, and watts consumption for home appliance, the device should support 2 lines at 120v each with a neutral wire
1y

copilot

To create an electric meter device with an ESP32 and an OLED display capable of measuring voltage, amperage, and power consumption for home appliances, you'll need several components. Here's a suggested list of components you can use:
  1. Microcontroller:
    • ESP32-DEVKIT-V1
  2. Voltage and Current Sensor:
    • You can use two ZMPT101B modules for voltage measurement on each line.
    • For current measurement, you can use two SCT-013-030 non-invasive AC current sensors.
  3. Display:
    • An SSD1306 OLED display module for displaying voltage, amperage, and watts. These typically come in 0.96-inch or 1.3-inch sizes and use I2C communication.
  4. Power Supply:
    • A power supply module such as the Hi-Link HLK-PM03 to step down AC voltage to a stable 3.3V for the ESP32.
  5. Miscellaneous:
    • Resistors, capacitors, and other passive components as needed for voltage division and filtering.
    • A terminal block for AC connection that can accommodate two lines and a neutral.
    • A relay module for controlling or isolating the load if needed.
    • Connectors and jumper wires for connections.
Considerations:
  • Ensure proper isolation between the AC and the low voltage DC sides to prevent any damage or safety hazards.
  • Utilize appropriate safety measures and housing for the device, especially given the high voltage and current involved.
Does this list align with your goals for the project? Let me know if there's anything else you'd like to explore or adjust!
1y
demezaa

demezaa

Make some terminal block recommendation to handle 120v
1y

copilot

For terminal blocks that can handle 120V AC, it's important to choose components that are rated for both the voltage and current you expect to handle in your application. Here's a recommendation:
  1. WAGO 221 Series Lever-Nuts:
    • These are compact, easy-to-use lever nuts designed for connecting wires ranging from 24 to 12 AWG.
    • Rated for 32A, 450V AC, making them suitable for your 120V application.
  2. Phoenix Contact PTFIX Series:
    • Modular terminal blocks that can be snapped together, offering a flexible and efficient solution.
    • Rated for connections up to 24A and 800V.
  3. Molex 39500 Series:
    • Standard wire-to-board terminal blocks that can handle up to 300V and 15A, suitable when space is a consideration.
When selecting a terminal block, ensure:
  • The terminal block's current and voltage ratings align with your requirements.
  • The wire gauge compatibility matches the wiring you intend to use.
  • Adequate mechanical stability and ease of installation are provided.
Would you like more details on any of these options, or do you need additional recommendations?
1y
demezaa

demezaa

Give a powerful ones, they may support at least 60A
1y

copilot

For terminal blocks capable of supporting at least 60A at 120V, you'll need robust components typically used in industrial or high-power applications. Here are some recommendations:
  1. WAGO 221-413 Compact Splicing Connector:
    • Although typically rated for up to 32A, you can check for newer models or similar products from WAGO that fit your 60A requirement. These connectors are known for their reliability and ease of use in wire splicing.
  2. Phoenix Contact CLIPLINE Series:
    • The CLIPLINE system offers terminal blocks that can handle up to 76A, providing high current capacity with the option for easy DIN rail mounting.
  3. Weidmüller Power Terminal Blocks:
    • Specifically designed for high-current applications, Weidmüller offers terminal blocks that can handle currents well beyond 60A, suitable for heavy-duty applications.
  4. TE Connectivity Buchanan Terminal Blocks:
    • Available in various configurations that support high-current applications up to 150A. These are rugged and reliable for industrial applications.
Considerations:
  • Ensure terminal blocks comply with safety standards for your region.
  • Consider the terminal block's compatibility with the wire gauge you plan to use.
  • Verify the temperature rating, as high current applications can generate significant heat.
If you need more specific models or have any other constraints in mind, feel free to let me know!
1y
2
ADC-AMP
J3-OLED
i2c-SDA
J2-A

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Electric Meter

Electric Meter thumbnail
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