2 layers83.3 × 65.3 mm
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46 parts14kMIT
2 layers50 × 25 mm
Remote control detector
shabaz123/MiniExperimenterProjectsThis project can be used to detect infra-red remote controls!
- Size
- 50 × 25 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 9
- Nets
- 6
- Pads
- 18
- Tracks, vias
- 37, 0
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 2 Sep 2023
- Updated
- 3 Sep 2023
Overview
Remote control detector is an open-source printed circuit board by shabaz123, from the shabaz123/MiniExperimenterProjects repository on GitHub. It is a 2-layer board of 50 × 25 mm with 9 parts on 6 nets, routed with 37 tracks and 0 vias.
It is built around the BC547. Its parts include 3 resistors, 2 connectors, 1 capacitor, 1 IC and 1 diode.
Main components
1README
RemoteControlDetector/README.mdRemote Control Detector
This project can be used to detect infra-red remote controls!
What Does it Do?
Press a button on any remote control (well, infra-red based remote controls) such as a TV remote, and the light-emitting diode (LED) will flash!
How Does it Work?
All TVs contain a little integrated circuit (IC) that senses light with an internal photodiode, and then amplifies the signal provided it is changing rapidly (at about 38 kHz). An output signal indicates the presence of the rapidly changing light. The circuit uses such an integrated circuit, part code TL1838.
Beyond that, all that is needed in the circuit is a way to reduce or regulate the power to the chip (it needs to be less than 5V not to damage it). An LED is connected to the output of the chip, through a resistor to limit the current (LEDs don’t need a lot of power).
Downloads
PDF circuit diagram and pinouts
Circuit Diagram
Pinouts
Components List
COMPONENTS LIST
R1, R2: 10k RESISTORS
R3: 220 ohm RESISTOR
Q1: BC547 NPN TRANSISTOR
C1: 10uF CAPACITOR
U1: TL1831 INFRA-RED 38kHz SENSOR
D1: LIGHT EMITTING DIODE (LED)Photos and Video
Parts
9| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 2 | ~ | User Global Library:Terminal-Single-Hole-1mm | J1, J2 |
| 1 | 10u | User Global Library:CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 220R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | BC547 | User Global Library:TO-92_Wide_BJT | Q1 |
| 1 | LED | Mini_Experimenter_Footprint_Library:LED_3mm | D1 |
| 1 | TL1838 | Mini_Experimenter_Footprint_Library:TL1838 | U1 |
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Questions
How big is the Remote control detector PCB?
It measures 50 × 25 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Remote control detector use?
9 parts, built around the 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.
Where can I download the Remote control detector KiCad files?
From the shabaz123/MiniExperimenterProjects repository on GitHub, at the commit this page was made from: the board is RemoteControlDetector/remote_control_detector.kicad_pcb and its schematic RemoteControlDetector/remote_control_detector.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Remote control detector design in my own project?
Its repository states no licence, so its author keeps all rights: ask shabaz123 before reusing the design.