From fa235947ff13c47c095d3b3f5fc2da5151fcb419 Mon Sep 17 00:00:00 2001 From: user Date: Tue, 18 Mar 2025 23:15:47 +0100 Subject: Add AliExpress seller info, PCB, software url --- .../64x64 HUB 75 LED Matrix/ESP32-S2F_chip.webp | Bin 0 -> 10506 bytes .../esp32_display_pcb_bottom.webp | Bin 0 -> 13686 bytes .../esp32_display_pcb_top_plugged_in.webp | Bin 0 -> 16930 bytes Miscellaneous/64x64 HUB 75 LED Matrix/index.md | 75 +++++++++++++++++++-- 4 files changed, 68 insertions(+), 7 deletions(-) create mode 100644 Miscellaneous/64x64 HUB 75 LED Matrix/ESP32-S2F_chip.webp create mode 100644 Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_bottom.webp create mode 100644 Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_top_plugged_in.webp diff --git a/Miscellaneous/64x64 HUB 75 LED Matrix/ESP32-S2F_chip.webp b/Miscellaneous/64x64 HUB 75 LED Matrix/ESP32-S2F_chip.webp new file mode 100644 index 0000000..7c87e6e Binary files /dev/null and b/Miscellaneous/64x64 HUB 75 LED Matrix/ESP32-S2F_chip.webp differ diff --git a/Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_bottom.webp b/Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_bottom.webp new file mode 100644 index 0000000..a0a20e5 Binary files /dev/null and b/Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_bottom.webp differ diff --git a/Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_top_plugged_in.webp b/Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_top_plugged_in.webp new file mode 100644 index 0000000..bfdecbd Binary files /dev/null and b/Miscellaneous/64x64 HUB 75 LED Matrix/esp32_display_pcb_top_plugged_in.webp differ diff --git a/Miscellaneous/64x64 HUB 75 LED Matrix/index.md b/Miscellaneous/64x64 HUB 75 LED Matrix/index.md index 97762d8..6443e00 100644 --- a/Miscellaneous/64x64 HUB 75 LED Matrix/index.md +++ b/Miscellaneous/64x64 HUB 75 LED Matrix/index.md @@ -3,7 +3,44 @@ description: "Me documenting my 64x64 LED matrix display" created: 2025-03-11 --- -## Chips +## Display documentation + +### From Aliexpress dealer + +[64x64 Indoor RGB HD P3 Led Module Video Wall High Quality P2.5 P4 P5 P6 P7.62 P8 P10 Panel Full Color Display - Aliexpress.com](https://www.aliexpress.com/item/32757647402.html) + +Key | Value +------------------------- | ----------------------------------- +Item | P3 +Chip | Epstar +Chip size | Red 9 mil, Green 12. Blue 12mil +Light type | SMD2121 +Pixel Pitch | 3mm +Module Size | 192mmX192mm +Module Resolution | 64 X 64 (dots) +Density of pixel | 111111dots/m2 +Pixel configuration | 1R1G1B +Red wavelength | 625±2nm +Green wavelength | 525±2nm +Blue wavelength | 470±2nm +Colors | 16777216 +Best viewing distance | ≥2m +viewing angle | 120°/90° +Maximum power consumption | 20W +Brightness | 1500cd/m2 +Gray scale | 14bits per color +Color temperature | 6500k +Control method | Synchronization or Asynchronization +Driving method | 1/32 scanning +Frame frequency | 60Hz +Refresh frequency | ≥600Hz +Working Voltage | DC5V +IP grade | IP54 +MTBF | More than 8000hours +Life Span | 80,000hours + + +### Chips 1. CHIPONE `ICN74HC245TS` `A14276CA` 2. `MBI5124GP` `A3YN72CTHB` @@ -13,11 +50,22 @@ created: 2025-03-11 ![Chip 2](Chip 2.webp) ![Chip 3](Chip 3.webp) -## Display IN connector +### Display IN connector ![In left](In left.webp) ![In right](In right.webp) +--- + +## Micro controller wiring + +I use an [ESP32 WEMOS LOLIN S2 Mini](https://docs.platformio.org/en/latest/boards/espressif32/lolin_s2_mini.html) +which has an ESP32-S2F chip on it + +![ESP32-S2F_chip](ESP32-S2F_chip.webp) + +Display in wiring + ``` ┌────────┐ R1 ┤ 1 40 ├ G1 @@ -31,13 +79,28 @@ OE ┤ 14 ⏚ ├ GND └────────┘ ``` -## ESP32 S2 Mini wiring - ![ESP32 S2 Mini](ESP32 S2 Mini.webp) --- -https://github.com/mrcodetastic/ESP32-HUB75-MatrixPanel-DMA +## PCB Connector board + +The screen glitches unless you have a solid connection. + +This PCB is a straight connection, except the gnd which is flipped with the adjacent pin. + +![esp32_display_pcb_top_plugged_in](esp32_display_pcb_top_plugged_in.webp) +![esp32_display_pcb_bottom](esp32_display_pcb_bottom.webp) + +Half the display glitched out, untill i added a 100pf capacitor between `lat pin` and `gnd` +as per: + + +--- + +## Software + + ```c++ #define R1_PIN 1 @@ -63,7 +126,5 @@ HUB75_I2S_CFG mxconfig( _pins, // pin mapping ); dma_display = new MatrixPanel_I2S_DMA(mxconfig); - ``` - -- cgit 1.4.1