How can i drive&control 36 RGB LED?

Forum|Forum|3 years ago
August 18, 2022
4 replies
1797 views

I have a project. I have 13 button and these buttons control to leds. For example when i click first button, first led will be on (also when i click again, it will be off). So microcontroller need to knows everything about it. But how can i control these leds? Because i need 36*3 io pins (RGB). Also after i need to control brightness of all leds with dimmer.

(Do you have any IC suggestions for leds control & leds pwm control?)

STM32F7 series

This topic has been closed for replies.

Muhammed Güler

Senior III

you can use TLC59711 for LED driving. its also chainable IC

ONadr.1

Senior III

Or you can use digital RGB LED as WS2812D.

Peter BENSCH

Technical Moderator

There are many LED drivers also from STMicroelectronics, e.g.:

LED1202
LED1642GW
etc (see LED Array Drivers - STMicroelectronics)

Of course, the exact type depends on several factors, e.g. how you want to control the LEDs (I2C, SPI, etc). With RGB LEDs you will certainly only switch one LED per channel, so you should be able to get by with one LED driver for 5V.

Good luck!

Regards

/Peter

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.