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F1
please explain what F1 does.
2y
The designator F1 represents a fuse in the electronic circuit. The specific model of Fuse is 03540101ZXGY, made by Littelfuse Inc.
In an electrical circuit, a fuse is a crucial safety device. It's designed to protect the circuit from excessive current flow, which could cause damage to other components or even result in a fire. The fuse contains a piece of wire or metal strip that melts when the current through it exceeds its rated capacity (its "blowing" or "fusing" point). When the fuse blows, it breaks the circuit, blocking further current flow and thereby protecting the rest of the circuit.
Looking at the given schematic, F1 is connected between net 269bd0d27ac2df571afa7f9109e3ef3b and net baac75d779743dcd7913a13190b8c653, meaning it forms a part of the main power delivery or high current path in your circuit. Therefore, any excessive current flowing through these nets would cause the fuse to blow, thus protecting the other components in those nets.
The specifics of the fuse such as its current rating, voltage rating, and blow time should be picked based on the requirements of your specific circuit and components.
2y
4
Check that none of the unconnected pins require pull-up or pull-down resistors t...
2y
To accurately answer your question, I would require detailed specifications or data sheets of the components used in the circuit. These documents provide information about the operating behavior of components and whether pull-up or pull-down resistors are required for the specific devices used.
As a general guidance, devices with open-drain (or open-collector) outputs, unused inputs on digital logic chips, or bi-directional or input/output pins (like I2C) often require pull-up or pull-down resistors.
For the components in your project design:
-
S1: This seems like a switch, typically they do not need pull-ups or pull-downs. However, depending on the context it might require one depending on the digital circuit it's connected to.
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J2, J3, J4, J5, J6: These seem like connectors, whether they need a pull up/down would depend on what is connected downstream.
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J1: This connector appears to be a USB type, the data lines D+ and D- will have pull up/down resistors integrated in the USB host or device, not the connector itself.
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D1: This is a diode, it does not require a pull-up or pull-down resistor.
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U1: This seems to be a relay module. Usually, relay modules do not require pull-up or pull-down resistors, but this depends on the specific module in use.
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F1: This is a fuse and does not require a pull-up or pull-down resistor.
Without more detailed information about your overall circuit and the specifics of each component, we can't provide a definitive answer regarding the necessity of pull-up or pull-down resistors. You should refer to the data sheets of your components or further describe your application for more accurate suggestions.
2y
5
please explain what K1 does.
2y
K1 is a relay with part number SR5-24V-200-1C from CUI Devices. The function of a relay is to allow one circuit to switch another one while they are completely separate. They are typically used to enable a low power signal to switch a much higher power circuit.
Based on the pins assignment for K1,
- Pin
COM_1andCOM_2are the common pins which connect to the "armature" of the relay. - Pin
NCstands for "Normally Closed" which means it is connected to the common pin when the coil is not powered. - Pin
NOstands for "Normally Open" which is connected to the common pin when the coil is powered. - Pins
COIL_1andCOIL_2are the ends of the coil, these control the operation of the relay. When current flows through the coil, it generates a magnetic field that moves the armature to either connect or disconnect the contacts as explained above.
The specific usage of the relay in your circuit can vary, but generally, the relay allows a low power digital output (applied to the
COIL pins) to switch a high power circuit (connected to COM, NO and/or NC pins). 2y
3
i want to connect the flyback to the ssr and the screw terminal j2 for the sign...
2y
It appears you want to connect the Solid State Relay (SSR) to the flyback diode and J2 for SSR control. However, your project list does not mention any Solid State Relay (SSR) and flyback diode. Could you please specify the exact components (e.g., SSR and flyback diode) you are referring to? Additionally, please also provide the pin-out for these components for accurate schematic connection suggestions.
However, an example connection considering hypothetical SSR and flyback diode would look like this:
- Connect the Anode (A) of the flyback diode D1 to the SSR output positive (assuming your SSR has a DC output). The Cathode (K) of D1 should connect to SSR output negative.
- Connect the Control (+) terminal of the SSR to P1 of J2 and the Control (-) terminal to P2 of J2.
This is a general guideline. Please provide more specific details (Part Numbers and their pinouts) for an accurate solution.
2y
is coil 1 or 2 the out put on ssr
2y
For your SSR, which seems to have a relay-like pinout, here's how the pins generally work:
- COIL_1 and COIL_2: These are the input pins, often used for controlling the relay. A voltage applied across these terminals causes the SSR to switch its state (on/off).
- COM_1, NO_1, NO_2, COM_2, NC_1, NC_2: These are the switching pins or the output pins. COM (Common) pins are generally connected to the device that needs to be controlled. NO (Normally Open) pins close (get shorted with COM) when the coil is energized. NC (Normally Closed) pins open (get disconnected from COM) when the coil is energized.
However, you must check the datasheet of your specific SSR for the exact pin configurations, as they can vary by manufacturer and model. The model number mentioned in your project does not correspond to any SSR.
Once you have confirmed this information, you can connect the diode across the pins COIL_1 (diode cathode side) and COIL_2 (diode anode side) to protect against voltage spikes when the SSR switches state. The screw terminal J2 can be wired to these same coil pins to control the SSR.
Please confirm the specifications and pinouts of your SSR for accurate advice.
2y
Thank you for specifying that you are using a General Purpose Relay with a Single Pole Double Throw (SPDT or 1 Form C) configuration. However, to provide more accurate advice, we would still need the exact model number, as the pinout and specifications may vary between different relay models.
In general, an SPDT relay will have the following pins:
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Coil Pins (2): These are the control pins of the relay, which activate or deactivate the switch. Current flowing through these coil pins creates a magnetic field which helps to shift the internal switch mechanism.
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Common Pin (COM): This pin is the moving part of the switch. It is in connection with either Normally Closed (NC) or Normally Open (NO) pin depending on whether the coil is magnetized.
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Normally Open Pin (NO): This pin is connected with the common pin (COM) only when the relay is activated, i.e., when the coil pins are powered.
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Normally Closed Pin (NC): This pin is connected with the common pin (COM) when the relay is not activated, i.e., when the coil pins are not powered.
Here is an example connection for your scenario:
- Connect J2's P1 to one of the Coil Pins, and connect J2's P2 to the other Coil Pin.
- Connect the Anode (A) of Flyback diode D1 to one Coil Pin and the Cathode (K) to the other.
Note: In the above recommendations, P1 and P2 are the pin names on your screw terminal J2, not to be confused with the pins on the relay.
Please confirm or provide the specific relay model for further precise connections.
2y
so the anode of the flyback is connected too?
2y
When connecting a flyback diode (aka freewheeling diode) to a relay, the diode should be connected across the coil pins of the relay.
The purpose of this flyback diode is to protect the circuit from a voltage spike that can occur when the coil of the relay is de-energized. When the coil is de-energized, the magnetic field collapses, and according to Faraday's law of electromagnetic induction, this resulting change in magnetic field generates a high voltage spike across the coil. This could potentially damage the circuit.
Here is how to connect the flyback diode:
- Connect the cathode (K - usually marked by a stripe on the diode) to the coil pin that is connected to the voltage supply (e.g., P1 of J2 if J2 P1 is connected to the power source).
- Connect the anode (A) to the coil pin that is grounded or connected to the lower potential (e.g., P2 of J2 if J2 P2 is connected to Ground or the lower potential side).
This result in the diode being in reverse bias under normal operation. When the coil is de-energized and the magnetic field collapses, the diode becomes forward biased and currrent flows through the diode, avoiding the high voltage spike to affect other components in the circuit.
2y
1
J1
SW1
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|---|---|---|
Airwires • 12
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BetaChecks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.
- 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
Circular Pink Battle Mech
Controls
Properties
Availability & Pricing
| Distributor | Qty 1 | |
|---|---|---|
| Digi-Key | $3.66 | |
| LCSC | $5.60 | |
| Mouser | $6.95 | |
Assets
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chrisk45
copilot
D1is a diode with two terminals: anode (A) and cathode (K), whileK1is a relay with six terminals: normally closed (NC), Coil 1 (COIL_1), Common 1 (COM_1), Common 2 (COM_2), Coil 2 (COIL_2) and normally open (NO).D1to one end of the coil ofK1. You can use either COIL_1 or COIL_2 for this connection. The purpose of this is to provide a path for the current to flow when the coil is de-energized, preventing a back EMF that could damage the rest of the circuit.D1to the DC power source through a resistor or switch.D1:KtoK1:COIL_1orK1:COIL_2D1:Ato your power sourceCOIL_1toCOIL_2to create a magnetic field that triggers the relay.chrisk45
copilot
K1terminal labeled as "NO" (normally open), please note there isn't a terminal labeled "12". The NO terminal is usually connected to the circuit that needs to be controlled when the relay's coil is energized.