2 layers50.8 × 31.8 mm
Light barrier v2 transmitter
espena/light-barrier
Garage door light barrier. KiCad project with schematics and PCB layout.
24 partsGPL-3.0
2 layers50.8 × 31.8 mm
Light barrier v2 receiver
espena/light-barrierGarage door light barrier. KiCad project with schematics and PCB layout.
- Size
- 50.8 × 31.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 15
- Pads
- 67
- Tracks, vias
- 194, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 9 Jul 2018
- Updated
- 12 Jul 2018
Overview
Light barrier v2 receiver is an open-source printed circuit board by espena, from the espena/light-barrier repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 50.8 × 31.8 mm with 25 parts on 15 nets, routed with 194 tracks and 0 vias.
It is built around the TLC555CP, BC557 and TIP120. Its parts include 7 capacitors, 6 resistors, 4 diodes, 3 ICs and 2 transistors.
Main components
3
TLC555CP
PDIP-80℃~+70℃ 2.1MHz 2V~15V 360uA PDIP-8 555 Timers / Counters ROHSTexas InstrumentsTimers / Counters
BC557
TO-921 PNP 100mA 100nA 150MHz 45V 500mW 6V 800 90mV、250mV PNP TO-92 Bipolar (BJT) ROHSDDFBipolar (BJT)
TIP120
TO-220-55℃~+150℃ 200uA 2V@3A,12mA 2W 5A 5V 60V NPN TO-220 Darlington Transistors ROHSJiangsu Changjing Electronics Technology (CJ)Darlington Transistors
README
README.mdLight barrier
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.
Transmitter circuit
| 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
Receiver circuit
| 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
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitors_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C2, C4, C5, C6 |
| 3 | 1N4001 | Diodes_THT:D_DO-41_SOD81_P2.54mm_Vertical_KathodeUp | D1, D2, D4 |
| 2 | 100k | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R3, R4 |
| 2 | 100k | Potentiometers:Potentiometer_Trimmer_Bourns_3296W | RV1, RV2 |
| 2 | TLC555CP | Housings_DIP:DIP-8_W7.62mm_LongPads | U2, U3 |
| 1 | 100 | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | 1000µF | Capacitors_THT:CP_Radial_D12.5mm_P5.00mm | C7 |
| 1 | 10µF | Capacitors_THT:CP_Radial_D4.0mm_P2.00mm | C3 |
| 1 | 1k | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R6 |
| 1 | 47µF | Capacitors_THT:CP_Radial_D4.0mm_P2.00mm | C1 |
| 1 | 6,2k | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1 |
| 1 | 6,8k | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R5 |
| 1 | BC557 | TO_SOT_Packages_THT:TO-92_Molded_Narrow_Oval | Q1 |
| 1 | POWER | TerminalBlocks_Phoenix:TerminalBlock_Phoenix_PT-3.5mm_2pol | J1 |
| 1 | RED | LEDs:LED_D5.0mm | D3 |
| 1 | TIP120 | TO_SOT_Packages_THT:TO-220-3_Vertical | Q2 |
| 1 | VS1838 | Opto-Devices:IRReceiver_Vishay_MINICAST-3pin | U1 |
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Questions
How big is the Light barrier v2 receiver PCB?
It measures 50.8 × 31.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Light barrier v2 receiver use?
25 parts, built around the TLC555CP, BC557 and TIP120. 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 Light barrier v2 receiver KiCad files?
From the espena/light-barrier repository on GitHub, at the commit this page was made from: the board is light_barrier_v2_receiver.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Light barrier v2 receiver design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).