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I've several issues with my previous Setup Raspberry Pi 4 and esp32 running offiziell WLED Losing Wireless connection, flickering, am Hugh delay. So I've decided to try this one. But there is that thing I don't understand. Do I have to wire the spi pin together to get it worked? Which kind of wire is preferred? Is an Ethernet cable recommend because of magnet interfirence? My pi4 sits behind my TV Lowboard and the pico should Sid behind the TV.
Hi
All you need is a USB connection from the RPi to the Pico. Pico should be placed near the LED strip (mine are approx. 50cm) and usually you do not need to worry about the interference. The connection of Pico to LEDs depends on the type of LED strip, and the pinout is described on the main project page. If you already have esp32, you can try HyperSerialESP32 or HyperSPI, although setup is not as simple as Pico/HyperSerialPico and requires a flasher. I'm not sure what flickering you're experiencing, but sometimes it can be hardware/electrical in nature: missing common ground (or ground connection is too long and has loops), data cables too long, missing proper 3.3V to 5V level shifter (do not use I2C level shifters), or these are the first signs of a faulty LED strip.
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Hi,
I've several issues with my previous Setup Raspberry Pi 4 and esp32 running offiziell WLED Losing Wireless connection, flickering, am Hugh delay. So I've decided to try this one. But there is that thing I don't understand. Do I have to wire the spi pin together to get it worked? Which kind of wire is preferred? Is an Ethernet cable recommend because of magnet interfirence? My pi4 sits behind my TV Lowboard and the pico should Sid behind the TV.
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