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can you check all of the connections
19
please explain what C6 does.
20
can you check all of these connections
18
can you check all of these connections
17
can you check all of these connections are correct
2y
From the provided information, it's hard to define whether the connections are "correct" or not without the full functional specifications or schematic diagram of the project. However, I can help you validate some basic principles:
- Power supplies and GND connections: For example, the
U1:(GND)pin is inNet: c1d39851b2258004fcc02370afbc3ea7withC7:(P2), implying it's connected properly. TheU1:(3V3)pin inNet: 829d7a836eea601d60e992e37cc11abawithC6:(P2)is implying a capacitance connection which is typical. Still, it's hard to judge without knowing the power source ofU1. - No short circuits: For example, the
Q1:(C)andQ1:(E)are all connected inNet: f41cffb4425fb7a005eb87132623b42c. This seems unusual as these are transistor collector and emitter pins that are usually not short-circuited. This situation suggests an error unless the transistor is being used in an unconventional manner. - Compatible voltages and currents for each connected line, especially for lines with components like LEDs or Resistors in them: For example,
LED1:(A)is directly connected withR1:(P2)inNet: c7fc0b9f2a3479b3d3a951d3ed10dc8d, so their voltage and current should be compatible.
In summary, I recommend you cross-check the project with the functional specifications or schematic diagram to ensure the connections' correctness. If you have any particular questions about a connection, feel free to ask.
2y
23
how do you connect the U1 with the DRV8871
2y
Sure, in this project the ESP32-S3-WROOM-1U-N16R8 microcontroller (designated as U1) is connected to two DRV8871 motor driver ICs.
-
DRV8871 IC (Designator DRV8871)
- IN1 of DRV8871 is connected to IO19 of U1
- IN2 of DRV8871 is connected to IO20 of U1
- U1's GND pin is connected with DRV8871's GND.
-
DRV8871 IC (Designator DRV8871-2)
- IN1 of DRV8871-2 is connected to IO17 of U1
- IN2 of DRV8871-2 is connected to IO18 of U1
- U1's GND pin is connected with DRV8871-2's GND.
These connections allow the microcontroller (U1) to control the motors through DRV8871 and DRV8871-2 by using its IO pins. If you have more detailed inquiries about the connection or have problems with the components operation, please provide the relevant information.
2y
Looking at the provided circuit connection, it appears that the provided connections are correct as per your brief.
To be more precise:
For DRV8871 (Q1):
- IN1 is connected to IO19 on the U1 microcontroller, which is correct.
- IN2 is connected to IO20 on the U1 microcontroller, which is correct.
- The GND of DRV8871 and GND of U1 are connected together, which is correct.
For DRV8871-2:
- IN1 is connected to IO17 on the U1 microcontroller, which is correct.
- IN2 is connected to IO18 on the U1 microcontroller, which is correct.
- The GND of DRV8871-2 and GND of U1 are connected together, which is correct.
These connections indicate that pins IO19, IO20, IO17 and IO18 of the ESP32 microcontroller (U1) are used to control the operation of the two DRV8871 motor drivers.
Do take note, the real-world operation will also depend on the proper firmware written on the ESP32 microcontroller (U1) to control these pins correctly. Furthermore, these are only the control connections. Make sure that you have also connected the Motors with the OUT pins of DRV8871 and DRV8871-2. VM should be provided appropriate power as well.
2y
15
how do I connect U1 and J2?
2y
To connect U1 (ESP32-S3-WROOM-1U-N16R8 from Espressif Systems) and J2 (a generic 6-pin connector), we need more information on what the specific objectives and requirements are.
Based on your project description, it seems like J2 might be serving as a breakout for some GPIOs on U1 since U1 has quite a number of IO pins.
If you want to connect the IO pins of U1 to J2, you can do so by connecting specific IO pins of U1 to J2 through traces on the PCB.
For instance, you can connect:
- U1:(IO4) to J2:(Pin_5)
- U1:(IO5) to J2:(Pin_6)
Can you please confirm or provide more information on which specific pins of J2 needs to be connected to U1 and how they should be used in the application? This will provide more context on how to specify the connections.
2y
16
Reviews
A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibraryjharwinbarrozo16.6k- 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, 10000uF 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, 220pF, 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 resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibraryjharwinbarrozo1.5M
- An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.Terminal
- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
- General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliantjharwinbarrozo1.2M
- 10 µF 16 V Aluminum - Polymer Capacitors Radial, Can - SMD 30mOhm 2000 Hrs @ 105°C #commonpartslibrary #capacitor #aluminumpolymer #radialcanjharwinbarrozo1.2M
- Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab bate or batt #forLedBlinkjharwinbarrozo700.5k
Real MDR PCB
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Digi-Key | $5.60–$7.99 |
LCSC | $9.69 |
Mouser | $5.69 |
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