2 layers107 × 54 mm
2 layers40.9 × 24.1 mm
Led dimmer
TimGoll/pcb_led_dimmerA NE555 based light dimming circuit for 12V led strips
- Size
- 40.9 × 24.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 11
- Pads
- 37
- Tracks, vias
- 82, 2
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 11 Mar 2021
- Updated
- 15 Apr 2022
Overview
Led dimmer is an open-source printed circuit board by TimGoll, from the TimGoll/pcb_led_dimmer repository on GitHub. It is a 2-layer board of 40.9 × 24.1 mm with 15 parts on 11 nets, routed with 82 tracks and 2 vias.
It is built around the NE555D. Its parts include 4 capacitors, 2 resistors, 2 ICs, 2 diodes and 1 transistor. It belongs with the lEDs and displays boards of this library.
Main components
1README
README.mdNE555 LED Strip Dimmer
This PCB is designed to dim the light of 12V led strips. It can also be used to control other types of 12V devices, such as PC fans.
It is designed around this potentiometer that has a builtin switch. This way only one input is needed to turn the light on.
Note: The markings for the two diodes are inverted.
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2, C4 |
| 2 | D_Small | Diode_SMD:D_SOD-123 | D1, D2 |
| 1 | +12V_in | solder_pad:solder_pad_5x3 | +12V |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 1 | 10n | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2 |
| 1 | 470u | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1 |
| 1 | 50k | poti_switch:poti_switch_mono | U2 |
| 1 | BUZ11 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | Q1 |
| 1 | GND_in | solder_pad:solder_pad_5x3 | GND |
| 1 | LED+ | solder_pad:solder_pad_5x3 | LED+ |
| 1 | LED- | solder_pad:solder_pad_5x3 | LED- |
| 1 | NE555D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
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Questions
How big is the Led dimmer PCB?
It measures 40.9 × 24.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Led dimmer use?
15 parts, built around the NE555D. 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 Led dimmer KiCad files?
From the TimGoll/pcb_led_dimmer repository on GitHub, at the commit this page was made from: the board is led_dimmer/led_dimmer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Led dimmer design in my own project?
Its repository states no licence, so its author keeps all rights: ask TimGoll before reusing the design.