Differences

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--- here_rtk_kit [2025/11/25 15:50] – [Table] millerjs
+++ here_rtk_kit [2025/11/28 05:45] (current) – admin
@@ Line 43: / Line 43: @@
 | IMU           | [[https://invensense.tdk.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf|TDK MPU-9250]]         | 0x71     |       |
 | Barometer     | [[https://www.te.com/usa-en/product-MS561101BA03-50.datasheet.pdf|TE MS5611]]                           | 0x77     |       |
+==== Sample Code ====
+=== TCA62724 ====
+Solid purple, lowest brightness (still quite bright!)
+<file c TCA62724_Purple.ino>
+#include <Wire.h>
+#define TCA62724_ADDR   0x55
+#define SDA_PIN         10
+#define SCL_PIN         9
+void setup() {
+    Wire.begin(SDA_PIN, SCL_PIN);
+    delay(10);
+    // Enable the LED driver
+    Wire.beginTransmission(TCA62724_ADDR);
+    Wire.write(0x84);  // Enable register
+    Wire.write(0x03);  // Turn on
+    Wire.endTransmission();
+    // Set Purple: Red=1, Green=0, Blue=1 (lowest brightness)
+    Wire.beginTransmission(TCA62724_ADDR);
+    Wire.write(0x81);  // Blue register
+    Wire.write(1);     // Blue = 1
+    Wire.write(0x82);  // Green register
+    Wire.write(0);     // Green = 0
+    Wire.write(0x83);  // Red register
+    Wire.write(1);     // Red = 1
+    Wire.endTransmission();
+}
+void loop() {
+    // Nothing - LED stays purple
+}
+</file>