

Remote + Controller for a RGB LED light Chain.
- Size
- 68.6 × 53.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 47
- Pads
- 72
- Tracks, vias
- 103, 0
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 12 Apr 2017
- Updated
- 26 Apr 2017
Overview
Base is an open-source printed circuit board by pinpox, from the pinpox/mega_led_3000 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 68.6 × 53.3 mm with 20 parts on 47 nets, routed with 103 tracks and 0 vias.
It is built around the TIP120. Its parts include 11 connectors, 3 resistors, 3 diodes and 3 transistors. It belongs with the lEDs and displays boards of this library.
Main components
1README
README.mdmega_led_3000

Remote + Controller for a RGB LED light strip.
The project consists of two parts: a base unit that is connected to the LED-strip and a remote control unit. Both are build using Arduinos and some other parts (see below) and communnicate over 2.4 GHz signals.
The sourcecode is separted in the respective folders so that it can be build and uploaded using the inotool for arduino (http://inotool.org/quickstart)
For the 2.4GHz communication the RF24 library is used (https://github.com/nRF24/RF24).
Schematic

Partlist
Base unit
- Arduino Uno
- nRF24L01 2.4 GHz transciever
- 3x Resistor 440 Ohm
- 3x TIP120 Transistor
Remote
- Arduino Micro
- nRF24L01 2.4 GHz transciever
- 3x EXP-R05-031 RGB-illuminated rotatory encoders
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | CONN_01X01 | Socket_Arduino_Uno:Arduino_1pin | P5, P6, P7, P8 |
| 3 | LED | LEDs:LED_D3.0mm | D1, D2, D3 |
| 3 | R | Resistors_ThroughHole:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3 |
| 3 | TIP120 | TO_SOT_Packages_THT:TO-220_Vertical | Q1, Q2, Q3 |
| 1 | Analog | Socket_Arduino_Uno:Socket_Strip_Arduino_1x06 | P2 |
| 1 | BARREL_JACK | Connect:BARREL_JACK | J1 |
| 1 | CONN_01X04_FEMALE | Connect:AK300-4 | J2 |
| 1 | CONN_02X04 | Pin_Headers:Pin_Header_Straight_2x04_Pitch2.00mm | J3 |
| 1 | Digital | Socket_Arduino_Uno:Socket_Strip_Arduino_1x10 | P3 |
| 1 | Digital | Socket_Arduino_Uno:Socket_Strip_Arduino_1x08 | P4 |
| 1 | Power | Socket_Arduino_Uno:Socket_Strip_Arduino_1x08 | P1 |
Questions
How big is the Base PCB?
It measures 68.6 × 53.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Base use?
20 parts, built around the 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 Base KiCad files?
From the pinpox/mega_led_3000 repository on GitHub, at the commit this page was made from: the board is schematics/base/base.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Base 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).
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