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--- en:iot-open:practical:hardware:sut:esp32:emb9b_1 [2025/04/28 20:30] – [Steps] pczekalski
+++ en:iot-open:practical:hardware:sut:esp32:emb9b_1 [2025/04/28 20:34] (current) – [FAQ] pczekalski
@@ Line 52: / Line 52: @@
 Declare and instantiate the TCS controller class and related variables for readings:
 <code c>
+#define SCL 4
+#define SDA 5
 static Adafruit_TCS34725 tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_300MS, TCS34725_GAIN_1X);
 uint16_t r, g, b, c, colorTemp, lux;
@@ Line 65: / Line 68: @@
 Initialise the sensor (in ''void Setup()'') and check it is OK:
 <code c>
-  Wire.begin(5,4); //5 (SDA),  4 (SCL)
+  Wire.begin(SDA,SCL);
   delay(100);
   ...
@@ Line 93: / Line 96: @@
 ===== FAQ =====
-**What is the range of the values for the integration time of the TCS sensor?**:
+**What is the range of the values for the //integration time// of the TCS sensor?**:
 <code c>
 #define TCS34725_INTEGRATIONTIME_2_4MS                                         \
@@ Line 135: / Line 138: @@
 </code>
-**What is the range of the values for the gain of the TCS sensor?**:
+**What is the range of the values for the //gain// of the TCS sensor?**:
 <code c>
 typedef enum {
@@ Line 145: / Line 148: @@
 </code>
-**C channel reading is 0 and R, G or B readings are not reasonable**: It is possibly because overdrive of the sensor with a light source (too bright). Consider lowering the RGB LED's intensity or change sensor's integration time and gain (shorter time, lower gain).
+**C channel reading is 0, and R, G or B readings are unreasonable.** It is possibly because of overdriving the sensor with a light source (too bright). Consider lowering the RGB LED's intensity or changing the sensor's integration time and gain (shorter time, lower gain).
 <WRAP noprint>

en/iot-open/practical/hardware/sut/esp32/emb9b_1.1745872214.txt.gz · Last modified: 2025/04/28 20:30 by pczekalski