Garage door light barrier. KiCad project with schematics and PCB layout. This project is shared under GNU general public license version 3, and is provided "as is", with no warranties what so ever. Use this material completely at your own risk.
| Component ID | Type | Description | Value |
|---|---|---|---|
| C1 | Capacitor | Radial electrolytic, 10V | 1000µF |
| C2 | Capacitor | Monolithic Ceramic Chip | 470pF |
| C3 | Capacitor | Monolithic Ceramic Chip | 100nF |
| C4 | Capacitor | Monolithic Ceramic Chip | 100nF |
| C5 | Capacitor | Monolithic Ceramic Chip | 100nF |
| D1 | Diode | 1N4001, 50V | - |
| D2 | LED | Green, 5mm | - |
| D3 | IR-LED | TSAL 6100 | - |
| J1 | Terminal block | KF128 2-pin, 5 mm pitch | - |
| JP1 | Jumper | 1x2 pin header with jumper | - |
| Q1 | Transistor | BC338 NPN BJT | - |
| R1 | Resistor | Metal film, 1% tolerance | 1kΩ |
| R2 | Resistor | Metal film, 1% tolerance | 24kΩ |
| R3 | Resistor | Metal film, 1% tolerance | 120kΩ |
| R4 | Resistor | Metal film, 1% tolerance | 22kΩ |
| R5 | Resistor | Metal film, 1% tolerance | 680kΩ |
| R6 | Resistor | Metal film, 1% tolerance | 10kΩ |
| R7 | Resistor | Metal film, 1% tolerance | 100kΩ |
| R8 | Resistor | Metal film, 1% tolerance | 10Ω |
| RV1 | Potentiometer | Cermet 25-turn 3296W-1 | 10kΩ |
| U1 | IC | TLC555 timer circuit | - |
| U2 | IC | TLC555 timer circuit | - |
PCB layout for the transmitter is shared via OSH Park
| Component ID | Type | Description | Value |
|---|---|---|---|
| C1 | Capacitor | Radial electrolytic | 47µF |
| C2 | Capacitor | Monolithic Ceramic Chip | 100nF |
| C3 | Capacitor | Radial electrolytic | 10µF |
| C4 | Capacitor | Monolithic Ceramic Chip | 100nF |
| C5 | Capacitor | Monolithic Ceramic Chip | 100nF |
| C6 | Capacitor | Monolithic Ceramic Chip | 100nF |
| C7 | Capacitor | Radial electrolytic, 10V | 1000µF |
| D1 | Diode | 1N4001, 50V | - |
| D2 | Diode | 1N4001, 50V | - |
| D3 | LED | Red, 5mm | - |
| D4 | Diode | 1N4001, 50V | - |
| J1 | Terminal block | KF128 2-pin, 5 mm pitch | - |
| Q1 | Transistor | BC557 PNP BJT | - |
| Q2 | Transistor | TIP120 darlington | - |
| R1 | Resistor | Metal film, 1% tolerance | 6,2kΩ |
| R2 | Resistor | Metal film, 1% tolerance | 100Ω |
| R3 | Resistor | Metal film, 1% tolerance | 100kΩ |
| R4 | Resistor | Metal film, 1% tolerance | 100kΩ |
| R5 | Resistor | Metal film, 1% tolerance | 6,8kΩ |
| R6 | Resistor | Metal film, 1% tolerance | 1kΩ |
| RV1 | Potentiometer | Cermet 25-turn 3296W-1 | 100kΩ |
| RV2 | Potentiometer | Cermet 25-turn 3296W-1 | 100kΩ |
| U1 | IC | VS1838 IR receiver | - |
| U2 | IC | TLC555 timer circuit | - |
| U3 | IC | TLC555 timer circuit | - |
PCB layout for the receiver is shared via OSH Park