Questions tagged [ws2811]
LED driver IC from Worldsemi
49 questions
3 votes
1 answer
336 views
WS2811 strip (kinda) works with diode level shifter but not MOSFET
I have a 24V LED strip with WS2811 chips data line. I hooked it up on an ESP32-C6 with a relay. I tested different ways of level shifting the 3V3 signal from the ESP: (A) Diodes and (B) Mosfet(s). Why ...
- 181
1 vote
1 answer
60 views
Flicker 12 channels MOSFETs with WS2811
I designed a circuit that converts the outputs of the WS2811 IC to drive MOSFETs. I'm using an IRLZ44N, but I want to use 12 channels, four WS2811 ICs. When I turn on all my LEDs and look at it, there ...
4 votes
2 answers
390 views
Consume WS2811 control signals without lights
I have a project with some led tubes which are currently daisy-chained together where half of the tubes are outputting the control line signal from the end to be continued on the next tube. This ...
- 143
1 vote
1 answer
63 views
I am trying to read the voltage change across a blue LED connected to a WS2811 driver chip with an ESP32-c3 analog read
I am trying to read the voltage of the blue component of the RGB using a voltage divider and reading the analog input through another esp32. However when I try to read the voltage, the analog reading ...
- 11
0 votes
1 answer
86 views
Trying to read the voltage of an individual RGB light output through the analog input of an esp32. Facing issues while trying to get reading
I am trying to read the voltage of the blue component of the RGB using a voltage divider and reading the analog input through another esp32. However when I try to read the voltage, the analog reading ...
- 13
0 votes
1 answer
89 views
How to prevent loss of current in WS2811 addressable LEDs
I am currently trying to control 300 WS2811 LEDs with an ESP8266. The software side of the project is fine. However, the LEDs towards the end of the strip are not receiving enough power (turning red ...
- 145
0 votes
1 answer
156 views
Testing WS2811 Soldering Safely
I am working on a project that requires me to solder many WS2811 lights in series (with a ground, data and power wire). When wiring these up, I am concerned that once power is delivered to the light, ...
0 votes
1 answer
399 views
WS2811 data line voltage level
I tried to control WS2811 LED strip with 12 V power line. After testing my ESP32 program I connect the strip with a ground and data cable. The power (12 V) was only connected to the strip. My ESP32 ...
- 103
1 vote
0 answers
110 views
Use WS2811 as shift register [closed]
Has anyone used a WS2811 LED driver as a 3 bit shift register? It's an IC for connecting ordinary LEDs to make them addressable with same protocol as the popular WS2812b LEDs. I just realized I can ...
- 33
6 votes
4 answers
734 views
Is there a canonical way to signal WS2811/2812 LED strip?
The WS2811/2812 protocol is well-defined and hence the chip now seems to dominate addressable strip lighting products. People have managed to use SPI and UART to control it, and someone even did it ...
- 240
1 vote
1 answer
121 views
Design RGB strip with WS2813 on 24 V?
I am in the process of designing a PCB with RGB LEDs. I wanna control them with NeoPixel. And it has to be supplied with 24 V. Right now for reference (see picture) I have a LED strip with segments of ...
1 vote
2 answers
246 views
IC suggestions for WS28xx like functionality for driving transistors
I'm trying to light up string lights that run off of 12v taking up 500mA. I'm using BC337 NPN transistor to turn individual string lights on/off where all of them are connected through a DC rail of ...
- 13
1 vote
0 answers
69 views
Animating 3600 neopixels with RPi is slow
I have SPI RGB led strip with three wires connection: – TX1818 driver (manufacturer says “it’s compatible with TM1812, UCS1903, SM16703, WS2811–2815”) – 12V, 9.3 W/m, 5060, 60/metre – 3600 pixels, 60 ...
- 111
0 votes
1 answer
1k views
WS2811 MOSFET driver - components help
I'm trying to build a board capable of driving 12 V, single-channel, non-addressable strips with the WS2811 protocol for my project. In my case I want to be able to safely switch up to 5 A (but most ...
- 3
1 vote
1 answer
1k views
ws2811 lights flickering when powered with 12v but 5v works "okay", suspected PWM interference
Disclaimer: Not an EE, I just write code, so apologies if terms are wrong. Video demo of my issue here !!epilepsy warning!! My Setup I have several strands of ALITOVE ws2811 12v leds connected in ...
- 113