I2S HUB75 Calculator I've made this spreadsheet to estimate all of the main parameters for ESP32-HUB75-MatrixPanel-I2S-DMA lib driving any combination of matrices/chains so that I do not need to reflash it hund
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F("*** ESP32-HUB75-MatrixPanel-I2S-DMA: Memory Allocations Complete***)); Serial.printf(PSTR"Total memory that was reserved: %d kB.\r\n"), _total_dma_capable_memory_reserved/1024); Serial.printf_P(PSTR("... of which was used for the DMA LinkedList(s): %d kB.\r\n"...
Issues Watch 1Star0Fork4 jixiao/ESP32-HUB75-MatrixPanel-I2S-DMA forked fromCaidongxu/ESP32-HUB75-MatrixPanel-I2S-DMA 欢迎使用 Issue! Issue 用于跟踪待办事项、bug、功能需求等。
An Adafruit GFX Compatible Library for the original ESP32, to drive 64x32px or 64x64px HUB75 LED matrix modules using the ESP32's DMA engine for high refresh rates. Supports panel chaining. - ESP32-HUB75-MatrixPanel-I2S-DMA/doc/fillrate.md at master · l
32, // Module height 2, // chain length _pins, // pin mapping ); dma_display = new MatrixPanel_I2S_DMA(mxconfig); Make sure you also connect one of the HUB75 interfaces ground pins to a ground pin of the ESP32, otherwise you may get electrical artefacts on LED Matrix Panel. ...
2 changes: 1 addition & 1 deletion 2 src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp Original file line numberDiff line numberDiff line change @@ -711,7 +711,7 @@ void MatrixPanel_I2S_DMA::brtCtrlOEv2(uint8_t brt, const int _buff_id) { --colouridx; char bitplane = ( 2 *...
2. Wiring ESP32 with the LED Matrix Panel By default the pin mapping is as follows (defaults defined in ESP32-HUB75-MatrixPanel-I2S-DMA.h). HUB 75 PANEL ESP 32 PIN +---+ | R1 G1 | R1 -> IO25 G1 -> IO26 | B1 GND | B1 -> IO27 | R2 G2 | R2 -> IO14 G2 -> IO...
2 changes: 2 additions & 0 deletions 2 src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp Original file line numberDiff line numberDiff line change @@ -195,11 +195,13 @@ void MatrixPanel_I2S_DMA::configureDMA(const HUB75_I2S_CFG &_cfg)
An Adafruit GFX Compatible Library for the original ESP32, to drive 64x32px or 64x64px HUB75 LED matrix modules using the ESP32's DMA engine for high refresh rates. Supports panel chaining. - Create LICENSE.txt · mcauser/ESP32-HUB75-MatrixPanel-I2S-DMA@