Red LED Blinker Circuit Design
set project intent and sourced parts
1:41
Accessing knowledge base.
Analyzing the schematic.
Calculating.
Analyzing the schematic.
Searching library for: "NE555 timer IC for a simple 9V battery powered LED blinker, through-hole DIP-8 package, hand solderable, standard bipolar 555 suitable for astable oscillator around 1 Hz"
Searching library for: "2-pin through-hole connector for 9V battery clip leads, 2.54mm or similar hand solderable PCB connector suitable for red and black battery wires"
Creating search plan for: "NE555 timer IC for a simple 9V battery powered LED blinker, through-hole DIP-8 package, hand solderable, standard bipolar 555 suitable for astable oscillator around 1 Hz --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Creating search plan for: "2-pin through-hole connector for 9V battery clip leads, 2.54mm or similar hand solderable PCB connector suitable for red and black battery wires --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Creating search plan for: "through-hole red LED 5mm or 3mm hand solderable standard indicator LED for 9V timer blinker --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Searching: "SPST through-hole on off switch for low voltage 9V battery circuit, hand solderable, simple PCB mounted slide or toggle switch --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Searching: "2-pin through-hole PCB connector for 9V battery clip leads, ~2.54mm pitch, hand-solderable, for red and black wires"
Found 21 results.
Searching: "Through-hole bipolar 555 timer in DIP-8 package for a 9V battery-powered astable oscillator ~1 Hz (hand-solderable)"
Searching: "Through-hole red indicator LED (5mm or 3mm), hand-solderable, for a 9V timer/blinker: ~2V forward voltage, usable at 2–20 mA, standard clear/diffused lens, common manufacturers (Kingbright, Everlight, Lite-On), prefer simple low-cost indicator LED."
Searching: "NE555 timer IC for a simple 9V battery powered LED blinker, through-hole DIP-8 package, hand solderable, standard bipolar 555 suitable for astable oscillator around 1 Hz --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Searching: "through-hole red LED 5mm or 3mm hand solderable standard indicator LED for 9V timer blinker --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Searching: "PCB-mounted, through-hole, hand-solderable SPST on/off switch (slide or toggle) for low-voltage 9V battery circuit; single pole single throw, panel/PCB mount, typical small footprint"
Searching: "SPST through-hole on off switch for low voltage 9V battery circuit, hand solderable, simple PCB mounted slide or toggle switch --- MANDATORY search constraints (these MUST be applied to all searches): fieldCategories: ["core","type","manufacturer","specifications","availability","packaging"] hitsPerPage: 10"
Renamed project
0:01
Renamed to: "9V NE555 LED Blinker"
Updated project description
Updated to: "9V battery-powered NE555 astable LED blinker (~1 Hz) with on/off switch; through-hole hand-solderable parts."
Added 11 components and Removed 2 components
0:02
Added 1x 967 half good as J1 (Pins: NEG, POS)
Added 1x SPDT Toggle Switch on-none-on as SW1 (Pins: 1, 3, 2)
Added 1x NE555P - 518340 as U1 (Pins: R, GND, DIS, THR, Q, CV, TR, VCC)
Added 3x Generic Resistor as R1, R2, R3 (Pins: P2, P1)
Added 4x Generic Capacitor as C1, C2, C3, C4 (Pins: P1, P2)
Added 1x LTL-307EE as LED1 (Pins: K, A)
Removed U1
Removed J1
⚠️ Removed components had their net connections destroyed. Use the connections tool with a `view` action to verify connectivity and re-wire any lost connections.
Execution stopped by user.
1:50
Started: replacing old esp32 with blinker parts
wired ne555 astable and led stage
0:44
Analyzing the schematic.
Updated 8 connections
0:04
Connected J1:NEG, U1:GND, C1:P2, C2:P2, C3:P2, C4:P2, LED1:K to ^GND
Connected J1:POS, SW1:2 to ^BAT_POS
Connected SW1:1, U1:VCC, U1:R, R1:P1, C1:P1, C4:P1 to ^+9V_SW
Connected R1:P2, R2:P1, U1:DIS to ^DISCH_NODE
Connected R2:P2, U1:THR, U1:TR, C2:P1 to ^TIMING_NODE
Connected U1:CV, C3:P1 to ^CTRL_BYPASS
Connected U1:Q, R3:P1 to ^LED_DRIVE
Connected R3:P2, LED1:A to ^LED_SERIES
nets {
net GND = J1:NEG, GND:GND, LED1:K, C4:P2, C3:P2, C2:P2, C1:P2, U1:GND;
net BAT_POS = J1:POS, SW1:2;
net +9V_SW = SW1:1, C4:P1, C1:P1, R1:P1, U1:R, U1:VCC;
net DISCH_NODE = R1:P2, U1:DIS, R2:P1;
net TIMING_NODE = R2:P2, C2:P1, U1:TR, U1:THR;
net CTRL_BYPASS = U1:CV, C3:P1;
net LED_DRIVE = U1:Q, R3:P1;
net LED_SERIES = R3:P2, LED1:A;
}
verified values and sized the board
0:39
Calculating.
Running design review.
Analyzing the schematic.
Working.
Updated 7 layout rules
Set Layout's sizeX to "50mm"
Set Layout's sizeY to "50mm"
Set Layout's boardShape to "rectangle"
Set Layout's cornerRadius to "2mm"
Set Layout's stackup to "Standard 2 Layer"
Set Layout's boardInsetMargin to "0.3mm"
Set Layout's keepOut to "0.3mm"
Set Voltage Rating to "16V" on C1 and C2, Set Voltage Rating to "50V" on C3 and C4, and 1 more change
Set C1's Voltage Rating to "16V"
Set C2's Voltage Rating to "16V"
Set C3's Voltage Rating to "50V"
Set C4's Voltage Rating to "50V"
Set R1's Power Rating to "0.25W"
Set R2's Power Rating to "0.25W"
Set R3's Power Rating to "0.25W"
Updated 1 connection
Connected SW1:3, SW1:1 to ^Net 1
nets {
net BAT_POS = SW1:2, J1:POS;
net Net 1 = SW1:3, SW1:1;
}
Execution stopped by user.
0:07
Analyzing the PCB layout.
Started: final review of schematic and layout
Ready to start.
Show Plan
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 #CommonPartsLibraryjharwinbarrozo15.7k
- 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
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $0.30–$0.40 |
Digi-Key | $3.67–$4.16 |
LCSC | $5.57 |
Mouser | $5.10 |
TME | $4.21 |
Verical | $4.28–$5.42 |
Controls
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