2 layers89.2 × 30.3 mm
2 layers97 × 46 mm
Stairs Light
jaka/electronicsschematics and PCBs
- Size
- 97 × 46 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 36
- Nets
- 30
- Pads
- 93
- Tracks, vias
- 122, 0
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 9 Jun 2026
- Updated
- 27 Sep 2026
Overview
Stairs Light is an open-source printed circuit board by jaka, from the jaka/electronics repository on GitHub. It is a 2-layer board of 97 × 46 mm with 36 parts on 30 nets, routed with 122 tracks and 0 vias.
It is built around the BT136-600E, H11AA1 and MOC3032M. Its parts include 15 resistors, 7 capacitors, 3 ICs, 3 diodes and 3 connectors.
Main components
3
BT136-600E
TO-220-40℃~+125℃@(Tj) 1 TRIAC 1.5V 1.5W 1.7V 10mA 15mA 30A 4A 600V TO-220 Thyristors (SCR)/Modules ROHSJSMSEMIThyristors (SCR)/Modules
H11AA1
DIP-6-55℃~+100℃ 1.2V 20% 30V 400mV@10mA,0.5mA 5.3kV 60mA AC,DC Integrated anti-parallel LED Phototransistor DIP-6 Transistor, Photovoltaic Output Optoisolators ROHSVishay IntertechnologyTransistor, Photovoltaic Output Optoisolators
MOC3032M
DIP-6-40℃~+85℃ 1.25V 250V 250mW 4.17kV 60mA 6V DC DIP-6 Transistor, Photovoltaic Output Optoisolators ROHSonsemiOptocouplers - Phototransistor Output
README
Flashing Lights Triple Duo/README.mdFlashing Lights Triple Duo
This circuit consists of two 555 timers configured at different frequencies. These frequencies are selected so that red LED’s and blue LED’s alternatively flashes. Moreover each group (red or blue) flashes aproximately three times before colour is switched, similar to american police strobe lights.
- EDA: Kicad 7.0.11
Parts
36| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_4.3mm_M4 | H1, H2, H3, H4 |
| 3 | 220u | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1, C2, C3 |
| 2 | 100k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R6 |
| 2 | 1M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7, R8 |
| 2 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R9 |
| 2 | 220n | Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P2.50mm_P5.00mm | C4, C5 |
| 2 | 330 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R12, R13 |
| 2 | 47k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10, R11 |
| 2 | 75k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 1 | 100n | Capacitor_THT:C_Rect_L24.0mm_W7.0mm_P22.50mm_MKT | C7 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D3 |
| 1 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D2 |
| 1 | 220 | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R14 |
| 1 | 4013 | Package_DIP:DIP-14_W7.62mm_Socket | U1 |
| 1 | 470 | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R15 |
| 1 | 470n | Capacitor_THT:C_Rect_L24.0mm_W7.0mm_P22.50mm_MKT | C6 |
| 1 | BT136-600 | Package_TO_SOT_THT:TO-220-3_Vertical | Q1 |
| 1 | BTN | Connector_Phoenix_MSTB:PhoenixContact_MSTBA_2,5_2-G-5,08_1x02_P5.08mm_Horizontal | J1 |
| 1 | H11AA1 | Package_DIP:DIP-6_W7.62mm_LongPads | U2 |
| 1 | MOC3032M | Package_DIP:DIP-6_W7.62mm_LongPads | U3 |
| 1 | OUTPUT | Connector_Phoenix_MSTB:PhoenixContact_MSTBA_2,5_2-G-5,08_1x02_P5.08mm_Horizontal | J3 |
| 1 | POWER | Connector_Phoenix_MSTB:PhoenixContact_MSTBA_2,5_2-G-5,08_1x02_P5.08mm_Horizontal | J2 |
| 1 | ZPYxx | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
Questions
How big is the Stairs Light PCB?
It measures 97 × 46 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Stairs Light use?
36 parts, built around the BT136-600E, H11AA1 and MOC3032M. 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 Stairs Light KiCad files?
From the jaka/electronics repository on GitHub, at the commit this page was made from: the board is Stairs Delay Light/Stairs Light.kicad_pcb and its schematic Amplifier TDA2030/TDA2030.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stairs Light design in my own project?
Its repository states no licence, so its author keeps all rights: ask jaka before reusing the design.
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