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please explain what MK1 does.
@copilot please explain what MK1 does.
11mo
The component $MK1$ in your project is a microphone, specifically the Knowles $SPH0645LM4H-B$. This microphone is a digital MEMS (Micro-Electro-Mechanical Systems) microphone with the following key features:
- Interface: I2S (Inter-IC Sound), a standard for digital audio communication.
- Voltage Supply (VDD): Connects to 3.3V in your schematic.
- Output: Provides digital output (DATA_OUT) that can be used by the ESP32 for processing.
- Other Pins:
- WS (Word Select): Used for channel selection in I2S, it defines left-right data frame division.
- BCLK (Bit Clock): Provides a clock signal for the serial communication.
- SELECT: Selects among different data formats or functionalities.
In your circuit, $MK1$ connects to the ESP32 for audio input, which probably allows your device to capture audio for processing or communication functions. Would you like to know how it's connected in this schematic?
11mo
2
please explain what U2 does.
@copilot please explain what U2 does.
11mo
The component U2 is an AMS1117-3.3, which is a voltage regulator. Specifically, it is a linear voltage regulator that takes a higher input voltage and reduces it to a steady 3.3V output.
Here’s how it operates in your circuit:
-
Input Voltage VIN: The input pin receives a higher input voltage that you want to regulate down to 3.3V. In your project, it's connected to the net
Net 12, which might be around 5V. -
Output Voltage VOUT and TAB(VOUT): These are output pins providing a regulated 3.3V, which powers various components in your circuit. They are connected to the 3.3V net in your circuit, denoted as
Net 1. -
Ground (GND): This pin is used to complete the circuit and is connected to the common ground net
GND.
The AMS1117-3.3 is used to ensure that sensitive components requiring 3.3V receive a stable and precise voltage supply regardless of fluctuations in the input voltage.
11mo
1
please explain what J1 does.
@copilot please explain what J1 does.
11mo
The component J1 is a USB Type-C connector, specified with the part number TYPE-C-31-M-12. This connector is typically used to provide power and data connections in electronic circuits.
Here are its pin functions and connections within your project:
- CC1 (Pins 1 and 11): Used for configuration channel signaling, it is connected to Net 16.
- DP1 and DP2 (Pins 2 and 12): Differential pair for USB data, connected to Net 14.
- DN1 and DN2 (Pins 3 and 13): Differential pair for USB data, connected to Net 15.
- SBU1 and SBU2 (Pins 4 and 14): Sideband use pins, not explicitly connected in the project.
- SHIELD (Pins 5, 6, 9, 10): Shield connections for grounding and electromagnetic protection.
- GND (Pins 7 and 8): Ground connections, part of the GND net.
- VBUS (Pins 15 and 16): Power lines providing voltage, connected to Net 13.
In this design, J1 primarily provides a power supply to the board through the VBUS line and serves as a USB data interface via DP and DN pins for communication.
11mo
4
LED_G_STM
LED_B_STM
U1
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- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
- Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #powerjharwinbarrozo11.4M
- A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibraryjharwinbarrozo1.5M
- A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibraryjharwinbarrozo1.5M
- A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #genericsjharwinbarrozo15.1k
- An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.Terminal
- 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlinkjharwinbarrozo1.2M
- 10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcanjharwinbarrozo1.2M
- Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlinkjharwinbarrozo1.1M
Inspect
AUIDO-Helper
Controls
Properties
Availability & Pricing
| Distributor | Qty 1 | |
|---|---|---|
| Arrow | $0.86–$1.07 | |
| Digi-Key | $1.07–$38.54 | |
| LCSC | $1.87–$2.24 | |
| Mouser | $1.58 | |
| Verical | $0.87–$1.24 | |
Assets
- Kitchen Assistant Reference Design.png
id=Kitchen Assistant Reference Design
Thumbnail
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nawabusamabhatti
copilot
SSD1327, which indicates it is an OLED display driver IC. This component is likely responsible for driving an OLED display module.SSD1327display driver IC to an OLED display. It handles the interface with the MCU to display graphics, text, or other data on the connected OLED panel. If you need further help on how to connect it to the other components, feel free to ask!