WS2812B LEDs do not light up. HyperHDR, RPI5, ESP32s #1183
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Hi everyone, I am trying to make my first TV backlight program. I am using WS2812B LED's controlled by a NODEMCU esp32s, which is connected to a RPi5 (Booted with RPIOS x64 lite) that is running HyperHDR v21.0.0.0. The system is wired as follows: HDMI out from Xbox Series X goes to an HDMI splitter. One end of the splitter goes to the TV the other goes to a 4K HDMI capture card. The output of the capture card goes to the Raspberry Pi 5. Everything, including the LED's, has power. I have checked multiple times with the multimeter and even the last LED's on the strand are getting 5V and roughly 60mA.
However, as you can see in the image above, the esp32s is being detected, as is the USB grabber, but for whatever reason the lights just are not turning on. I have attached my logs and a few other pictures below, any help would be greatly appreciated. Let me know if you need any other info. Thank you
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Replies: 1 comment 6 replies
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Hi
and as a result:
because this uart is not capable of 2Mb serial port speed. |
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If you dont need wifi then a much better choice is a rp2040/Pico with a built-in level shifter. Also any Pico will work because they use CDC virtual driver instead of the classic UART. If it comes to esp32, it's better to choose something with CH9102x But when you order from Aliexpress, you never know what you'll get: CH9102x or cp2102. Luckily the CH9102x is cheaper or comparable to the CP2102 and is becoming more available, so it happens more often. |
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I just looked in HyperSerial esp32 GitHub and they recommend the ESP32S2 Lolin Mini. I'm guessing that is one of the CH9102x or cp2102's? |
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This is the cheapest esp device, only one core and rather poor wifi connection. Irrelevant when it comes to the cable connection but if you plan to use wifi & wled then it's a bad choice. |
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esp32-s2 mini lolin is also CDC device like Pico. |
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Thank you so much I ordered a rp2040 Pico and the mini lolin just in case! |
Hi
This is your problem in logs:
and as a result:
because this uart is not capable of 2Mb serial port speed.