add schematic

.gitignore

@@ -1,2 +1,2 @@
-/build/**/*
-/external/**/*
+/*/**/*
+!/html/**/*

README.md

@@ -17,6 +17,8 @@ You will need the following hardware to make the device:
 - light dependent resistor such as GL5528 (specific part number may vary)
 - 10k ohm resistor (resistance value may vary)
 
+![Wiring schematic](schematic.svg)
+
 You will need to cut the USB extension in half and connect the wires from the
 female end to the Raspberry Pi Pico (2). The default configuration is to attach
 the USB's green wire to pin 1/GP0 and USB's white wire to pin 2/GP1. You will

hyperx_elite2.c

@@ -312,8 +312,6 @@ void parse_colors(char * data, uint16_t len) {
 	if (token != NULL) {
 		// first string is the RGB color code
 		uint8_t red, green, blue;
-		// sscanf(token, "%2x%2x%2x", &red, &green, &blue);
-		// sscanf causes Pico 1 to crash
 		red = hexbyte(token);
 		green = hexbyte(token+2);
 		blue = hexbyte(token+4);

hyperx_elite2.h

@@ -196,5 +196,4 @@ bool load_rgb_config(void);
 	#error "Unsupported device. Expected RP2040 or RP2350."
 #endif
 
-
 #endif