LED RGBW Controller - 2018-03 v1.0b
The RGBW LED controller is another of the nodes that I have designed for the SmartHome project, this time it is a board that allows to control up to 4 LED channels, designed mainly for RGBW LED strips (red, green, blue, and white) ) although it can be used for any other type of LED strips such as RGB, CW/WW, or a single color.
Theoretically, the board supports both 12 and 24V, although I have not tested 24V and it may not be a good idea to do it unless a transformer of very good quality is used that of 24V exact since it is the limit voltage of the voltage regulator used by the PCB to get the 5V / 3.3V you need to operate, I did not find a voltage regulator that would accept a little more voltage and that I would get into the box ... maybe for a second revision of the board and using a larger plastic box You can make that improvement.
The board has components similar to the rest of the nodes:
ATmega 328P microcontroller at 8Mhz and 3.3V.
Wireless antenna NRF24L01 to 2.4Ghz.
Flash chip for wireless programming W25X40CLSNIG.
Signed chip for ATSHA204A data transmissions.
JST 1.0mm 8P programming connector with AVRISP + UART.
More specific ones:
Mosfets FDD8447L to control the 4 channels.
Drivers for mosfets UCC27324.
Temperature sensor DS18B20.
The example code published in the repository, together with the rest of the documents such as scheme, circuit, gerbers, documentation, etc. it is programmed in such a way that the LED strip can be controlled as RGBW, RGB, W, and On/Off.
The first version of the board is fully functional, although that does not mean that it can not be improved, for now I leave it as "finalized", in any case if someone is going to manufacture it on their own, check the changelog.txt file to have Consider possible problems or pending improvements
LED RGBW Controller - 2018-03 v1.0b
*PCBWay community is a shared platform and we are not responsible for any design issues.
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- Marhaunichy Maryan Iosifovich Jun 29,2020
- Seyran BOYACI May 10,2020
- Ilya Safronau Aug 30,2019
- Sergei Aug 29,2018
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