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| author | mrfaptastic <12006953+mrfaptastic@users.noreply.github.com> | 2020-11-05 23:53:55 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-05 23:53:55 +0000 |
| commit | ebdcd5d3de128b50004b9c28395a5e7481ad5351 (patch) | |
| tree | d8ecdf630d271582617ac919bc3ed9b9c24d1191 | |
| parent | 12fde7fa64736fd3bcb3120313e8def6d8211668 (diff) | |
Update README.md
| -rw-r--r-- | README.md | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -127,6 +127,13 @@ Summary: setPanelBrightness(xx) value can be any number from 0 (display off) to  +## Power, Power and Power! + +Having a good power supply is CRITICAL, and it is highly recommended, for chains of LED Panels to have a 2000uf capacitor soldered to the back of each LED Panel across the [GND and VCC pins](https://github.com/mrfaptastic/ESP32-RGB64x32MatrixPanel-I2S-DMA/issues/39#issuecomment-720780463), otherwise you WILL run into issues with 'flashy' graphics whereby a large amount of LEDs are turned on and off in succession (due to current/power draw peaks and troughs). + +Refer to this guide written for the [rpi-rgb-led-matrix library](https://github.com/hzeller/rpi-rgb-led-matrix/blob/master/wiring.md#a-word-about-power) for an explanation. Refer to this [example](https://github.com/mrfaptastic/ESP32-RGB64x32MatrixPanel-I2S-DMA/issues/39#issuecomment-722691127) issue of what can go wrong with a poor powersupply. + + ## Inspiration * 'SmartMatrix' project code: https://github.com/pixelmatix/SmartMatrix/tree/teensylc |