
Light switch
NguyenThanhHuy-debug/PCB_Real-Time-Power-Monitoring-System-Development-Light-Switch
PCBReal-Time-Power-Monitoring-System-Development-Light-Switch — a software project built with modern tooling.

A simple light switch made from discrete components
Interruptor Arcade is an open-source printed circuit board by Rocheez, from the Rocheez/arcade-light-switch repository on GitHub. It is a 2-layer board of 57.5 × 45.5 mm with 22 parts on 16 nets, routed with 97 tracks and 0 vias.
It is built around the HLK-PM01, MOC3021M and BC547. Its parts include 11 resistors, 3 transistors, 2 diodes, 2 switches and 1 IC. It belongs with the retro computing and games boards of this library.
A simple light switch made from discrete components I had at home to simulate an arcade cabinet.
The circuit comprises of a SR latch circuit made from BC547s and a simple optocoupler-triac switch to ensure the smallest footprint so it can be embedded inside a standard light switch electrical box.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3, R4, R7, R8 |
| 2 | 100k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R5, R6 |
| 2 | 1k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2 |
| 2 | 470 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R10, R11 |
| 2 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2 |
| 1 | 220 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R9 |
| 1 | AC | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J1 |
| 1 | BT136-500 | Library:TO-220-3_Horizontal_TabDown-without-hole | Q4 |
| 1 | HLK-PM01 | Converter_ACDC:Converter_ACDC_HiLink_HLK-PMxx | PS1 |
| 1 | LED_Off | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | D2 |
| 1 | LED_On | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | D1 |
| 1 | Lamp | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | LA1 |
| 1 | MOC3021M | Package_DIP:DIP-6_W7.62mm | U2 |
| 1 | SW_Off | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | SW1 |
| 1 | SW_On | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | SW2 |
It measures 57.5 × 45.5 mm and has 2 copper layers, 1.6 mm thick.
22 parts, built around the HLK-PM01, MOC3021M and BC547. 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.
From the Rocheez/arcade-light-switch repository on GitHub, at the commit this page was made from: the board is Interruptor Arcade.kicad_pcb and its schematic Interruptor Arcade.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Rocheez before reusing the design.

NguyenThanhHuy-debug/PCB_Real-Time-Power-Monitoring-System-Development-Light-Switch
PCBReal-Time-Power-Monitoring-System-Development-Light-Switch — a software project built with modern tooling.

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