Differences

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--- talkingshoe [2025/09/02 16:54] – [IR Opto-Switch] andi
+++ talkingshoe [2025/09/08 17:36] (current) – [Table] andi
@@ Line 1: / Line 1: @@
 ====== Talking Shoe ======
+https://github.com/moink/talking_shoe
-^ Lolin-Port  ^ Part-Port  ^ Part      ^
-| GPIO19      | SDA        | ADXL345   |
+^ Lolin-Port  ^ Part-Port                              ^ Part            ^
-| GPIO23      | SCL        | ADXL345   |
+| GPIO23      | SDA                                    | ADXL345         |
-| GPIO17      | RX         | DFPlayer  |
+| GPIO19      | SCL                                    | ADXL345         |
-| GPIO16      | TX         | DFPlayer  |
+| GPIO17      | RX                                     | DFPlayer        |
-|             |            |           |
+| GPIO16      | TX                                     | DFPlayer        |
-|             |            |           |
+| GPIO34      | Resistor Leg, but not on the Resistor  | Photo Resistor  |
@@ Line 72: / Line 73: @@
   * We want to connect to this via the i2c bus
   * There's an ADXL345 Library by Adafruit, but also by others
+===== Photo Resistor =====
+<code>
+.3V ── LDR ──+─── GPIO34 (A0)
+              │
+kΩ
+              │
+             GND
+</code>
 ===== IR Opto-Switch =====
+**we're not using this one**
   * I bought [[amazon.de>B00EFOTJZE]] these
@@ Line 82: / Line 95: @@
       * I should hook up one of the diodes to my component tester
       * actually based on the given foward voltage and current, according to an online calculator I need resistor of about 70ohm
-  * The sensor is a PNP Transisor VS 1838B
+  * The sensor is a VS 1838B
-    * looking from the front, right to left: E C B
+<code>
+   _____
+  |     |
+  |     |
+  |     |
+  |     |
+  |_____|
+   | | |
+2 3
+: OUT (Signal)
+: GND
+: VCC (typically 3.3–5V)
+</code>