2 layers109 × 30.6 mm
2 layers94.8 × 73.1 mm
KICAD lightning trigger
zijianzhu0/lightning_triggerLightning trigger for Nikon DSLR
- Size
- 94.8 × 73.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 28
- Pads
- 106
- Tracks, vias
- 111, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 20 Jun 2025
- Updated
- 20 Jun 2025
Overview
KICAD lightning trigger is an open-source printed circuit board by zijianzhu0, from the zijianzhu0/lightning_trigger repository on GitHub. It is a 2-layer board of 94.8 × 73.1 mm with 38 parts on 28 nets, routed with 111 tracks and 0 vias.
It is built around the NE555P, 100SP1T1B1M2QEH and B3F-4055, with the SJ1-2503A among its other parts. Its parts include 16 resistors, 6 connectors, 4 capacitors, 3 ICs and 3 diodes.
Main components
4
NE555P
DIP-80℃~+70℃ 100kHz 10mA 4.5V~16V DIP-8 555 Timers / Counters ROHSTexas InstrumentsTimers / Counters
100SP1T1B1M2QEH
插件,12.7x6.9mm-30℃~+85℃ 12.7mm 120V 28.19mm 28V 40,000 Cycles 5A 6.86mm Cylinder Lever PC Pin SPDT Through Hole 插件,12.7x6.9mm Toggle Switches ROHSE-SwitchToggle Switches
B3F-4055
Through Hole,12x12mm-25℃~+70℃ 1,000,000 cycles 12mm 12mm 2.6N 24V 50mA 7.3mm PC Pin Rectangular Button SPST-NO Through Hole 插件-4P,12x12mm Tactile Switches ROHSOmronTactile Switches
SJ1-2503A
插件,5x7.8mm-25℃~+85℃ 12V 1A 2.5mm Headphone Jack Brass、Copper alloy Tin 插件,5x7.8mm Audio Connectors ROHSCUIAudio Connectors (Headphones)
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R7, R11, R14 |
| 4 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R4, R12, R16 |
| 3 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R8, R9, R10 |
| 3 | 2N3904 | Package_TO_SOT_THT:TO-92_HandSolder | Q1, Q2, Q3 |
| 3 | Screw_Terminal_01x02 | ZhuLib:TerminalBlock_TE-2_P5.08mm | J1, J3, J4 |
| 2 | 0.01u | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C1, C2 |
| 2 | 500 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5, R6 |
| 2 | LED | LED_THT:LED_D5.0mm_Clear | D1, D2 |
| 2 | LM741 | Package_DIP:DIP-8_W7.62mm | U2, U3 |
| 1 | 100SP1T1B1M2QEH | ZhuLib:ToggleSwitch_100SP1T1B4M2QE | S1 |
| 1 | 220k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | 2k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R15 |
| 1 | 4.7n | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C4 |
| 1 | 47n | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C3 |
| 1 | 5.1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R13 |
| 1 | B3F-4055 | ZhuLib:B3F-4055 | S2 |
| 1 | Barrel_Jack | ZhuLib:BerralJack_PJ037A | J2 |
| 1 | Buzzer | Buzzer_Beeper:Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | D_Zener | Diode_THT:D_T-1_P5.08mm_Horizontal | D3 |
| 1 | NE555P | Package_DIP:DIP-8_W7.62mm | U1 |
| 1 | SJ1-2503A | ZhuLib:AudioJack_SJ12503A | J5 |
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Questions
How big is the KICAD lightning trigger PCB?
It measures 94.8 × 73.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the KICAD lightning trigger use?
38 parts, built around the NE555P, 100SP1T1B1M2QEH, B3F-4055 and SJ1-2503A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the KICAD lightning trigger KiCad files?
From the zijianzhu0/lightning_trigger repository on GitHub, at the commit this page was made from: the board is KICAD_lightning_trigger_v1.0/KICAD_lightning_trigger.kicad_pcb and its schematic KICAD_lightning_trigger_v1.0/KICAD_lightning_trigger.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the KICAD lightning trigger design in my own project?
Its repository states no licence, so its author keeps all rights: ask zijianzhu0 before reusing the design.