LED Dimmer
About the LED Dimmer PCB
LED Dimmer is an open source PCB design by salindersidhu, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 27.6 × 30.6 mm, with 14 components from 10 distinct parts.
Other key parts include the NE555P. By type, the board carries 4 capacitors, 4 resistors, 2 connectors, 2 diodes, 1 IC and 1 transistor.
From the project
Personal electronics and PCB projects created in KiCad with full documentation.
A compact analog LED dimmer PCB using a 555 timer to generate an adjustable PWM signal that drives a logic-level MOSFET for smooth LED brightness control.
- Single-Channel PWM Control: Adjustable LED brightness - PWM Generator: NE555 timer based oscillator - Adjustable Brightness: 50kΩ potentiometer - MOSFET Output Stage: Logic-level N-channel MOSFET switching - Supply Voltage: 12V DC input - LED Compatibility: Suitable for LEDs and LED strips with appropriate current limiting - PCB: Compact 2-layer layout with ground plane - JST XH Connectors: 2-pin JST B2B-XH-A connectors for power input…
Main components on the LED Dimmer
LED Dimmer bill of materials (BOM)
14 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE555P | DIP-8_W7.62mm | U1 |
| 1 | IRLML6344 | SOT-23 | Q1 |
| 2 | Conn_01x02_Pin | JST_B2B-XH-A | J1, J2 |
| 2 | 1N4148W | D_SOD-123 | D1, D2 |
| 2 | 0.1u | C_0603_1608Metric | C1, C4 |
| 1 | 10n | C_0603_1608Metric | C2 |
| 1 | 470u | CP_Radial_D6.3mm_P2.50mm | C3 |
| 2 | 1k | R_0603_1608Metric | R1, R2 |
| 1 | H50115K1A | TRIM_PTN091-H50115K1A | R3 |
| 1 | 100k | R_0603_1608Metric | R4 |
LED Dimmer design files
The KiCad project lives in the salindersidhu/pcb-projects repository on GitHub; these links point at the commit this page was built from.
LED Dimmer: common questions
How big is the LED Dimmer PCB?
The LED Dimmer measures 27.6 × 30.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LED Dimmer?
14 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the LED Dimmer design files?
From the salindersidhu/pcb-projects repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the LED Dimmer design in my own project?
Yes, under the terms of its Apache-2.0 license, which salindersidhu chose for the repository.
