All gists from racerxdl

racerxdl / README.md

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Lista de peças para 11/11 Aliexpress (Voltado para upgrade impressora 3D)

Aqui estão as peças que comentei que estão no meu carrinho para promoção 11/11 da Aliexpress!

HDMI CSI Raspberry - https://www.aliexpress.com/item/4001310670459.html
Laser 500mW - https://www.aliexpress.com/item/32884123843.html
Laser 15W - https://www.aliexpress.com/item/4001005046264.html
Bloco Extrusora - https://www.aliexpress.com/item/4001162949728.html
Extrusora Dupla - https://www.aliexpress.com/item/4000202747823.html
Knob Nivelamento - https://www.aliexpress.com/item/4000067029903.html
Correia Dentada - https://www.aliexpress.com/item/4000104633986.html
Motor Closed Loop - https://www.aliexpress.com/item/4000580356407.html

racerxdl / MBI5153.ino

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MBI5153 / LYD6168 Panel Controller with ESP32

1	// Based on https://github.com/SebiTimeWaster/ICN2053_ESP32_LedWall
2
3	#define PIN_CLK 2
4	#define PIN_LE 27
5	#define PIN_OE 5
6	#define PIN_A 21
7	#define PIN_B 22
8	#define PIN_C 23
9	#define PIN_D 25
10	#define PIN_E 26

racerxdl / lyd6188.bin

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Stuff from LedshowTV. Trying to figure out how to make LYD6168 / LYD6188 panels to work.

1	00000000: 8044 5854 405d 4064 a48f 145b 0845 6fa0 .DXT@]@d...[.Eo.
2	00000010: 2441 1f2a 0807 00c1 0005 000c 0010 0040 $A.*...........@
3	00000020: 10b8 f511 0000 0700 157e 0b10 05b0 02ec .........~......
4	00000030: 0187 00d1 157e 0b10 05b0 02ec 0187 00d1 .....~..........
5	00000040: 157e 0b10 05b0 02ec 0187 00d1 157e 0b10 .~...........~..
6	00000050: 05b0 02ec 0187 00d1 0000 0000 0000 0000 ................
7	00000060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
8	00000070: 0000 0000 0000 0000 0000 0000 0000 0000 ................
9	00000080: 0000 0000 0000 0000 2681 2b8d 220c 04e9 ........&.+."...
10	00000090: 03e5 6214 0937 2a54 03c5 6234 0907 2a5e ..b..7T..b4..^

racerxdl / esp32-spidump.ino

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1	#include <SPI.h>
2	#include "FS.h"
3	#include "SPIFFS.h"
4
5	#define CS 5
6	#define FORMAT false
7	SPIClass * vspi = NULL;
8
9	SPISettings settings(20000000, MSBFIRST, SPI_MODE0);
10	//SPISettings settings(1000000, MSBFIRST, SPI_MODE0);

racerxdl / assembly-live-0.s

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Assembly Live 0 - "CODIGO"

1	; A B C D = 8 bits
2	; IP = Instruction Pointer = 16 bits = 65535
3	; SP = Stack Pointer = 16 bits = 65535
4	; \| AX \|
5	; \| A \|
6	; AX = 0000 0000 0000 0000
7	; AX, BX, CX, DX = 16 bits
8	; \| EAX \|
9	; \| AX \|
10	; \| Ah \| Al \|

racerxdl / LFE5U-25F.cfg

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3 files

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FPGA Board FT232

Generate for flash


# ecppack vhdl_blink_out.config --svf-spiflash --svf vhdl_blink.svf vhdl_blink.bit # This doesnt work

# This works
ujprog -d -j FLASH -s ../../ghdl-yosys-blink/vhdl_blink-flash.svf ../../ghdl-yosys-blink/vhdl_blink.bit

racerxdl / esp32-spiflash.ino

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ESP32 Arduino VSPI SPI Flash Reader / Writer

1	#include <SPI.h>
2	#include "FS.h"
3	#include "SPIFFS.h"
4
5	#define CS 5
6	#define FORMAT false
7	SPIClass * vspi = NULL;
8
9	SPISettings settings(10000000, MSBFIRST, SPI_MODE0);
10	//SPISettings settings(1000000, MSBFIRST, SPI_MODE0);

racerxdl / block.sh

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Block DHCP in Bridge

1	ebtables -I INPUT -i eno2 -p ip --ip-protocol udp --ip-source-port 67 -j DROP
2	ebtables -I INPUT -i eno2 -p ip --ip-protocol udp --ip-source-port 68 -j DROP
3	ebtables -I INPUT -i eno2 -p ip --ip-protocol udp --ip-destination-port 67 -j DROP
4	ebtables -I INPUT -i eno2 -p ip --ip-protocol udp --ip-destination-port 68 -j DROP
5
6
7	ebtables -I INPUT 0 -i eno2 -p IPv4 --ip-protocol udp --ip-destination-port 67:68 -j DROP
8	ebtables -I OUTPUT 0 -o eno2 -p IPv4 --ip-protocol udp --ip-destination-port 67:68 -j DROP
9	ebtables -I FORWARD 0 -o eno2 -p IPv4 --ip-protocol udp --ip-destination-port 67:68 -j DROP

racerxdl / odroidu3-5.1.md

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1	diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
2	index 3135af6..0ba06d9 100644
3	--- a/drivers/net/usb/smsc95xx.c
4	+++ b/drivers/net/usb/smsc95xx.c
5	@@ -46,6 +46,7 @@
6	#define SMSC95XX_INTERNAL_PHY_ID (1)
7	#define SMSC95XX_TX_OVERHEAD (8)
8	#define SMSC95XX_TX_OVERHEAD_CSUM (12)
9	+#define MAC_ADDR_LEN (6)
10

racerxdl / touch_test3.ino

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1	#include <SPI.h>
2
3	#define SCK D5
4	#define MISO D6
5	#define CS D8
6	#define MOSI D7
7
8
9	void setup() {
10	Serial.begin(115200);