Chat
Welcome to Flux
Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More
Explain project
Write a project description
Find schematic issues
Create a test plan
Simulate a circuit
Prepare for Manufacturing
Component Selection Workflow
New Subsystem Wizard
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.
-
J2, J3, J4, J5, J6: These seem like connectors, whether they need a pull up/down would depend on what is connected downstream.
-
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.
-
D1: This is a diode, it does not require a pull-up or pull-down resistor.
-
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.
-
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:
-
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.
-
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.
-
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.
-
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
Reviews
- 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 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
- 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 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 #CommonPartsLibraryjharwinbarrozo15.8k
- 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
Circular Pink Battle Mech
Welcome to your new project. Imagine what you can build here.
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Digi-Key | $3.66 |
LCSC | $5.60 |
Mouser | $6.95 |
Controls
Welcome 👋
Flux helps you build PCBs faster with an AI teammate!
Create your account to collaborate, stay updated, fork your own version, and get instant answers from our AI agent.
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.