Created Setup ESP32 (markdown)

Setup-ESP32.md

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+# Setup ESP32
+This guide should help you set up the ESP board for programming the E-ink display with the code provided by this repo.
+
+## 1. Install Arduino IDE
+
+* Download and install the Arduino IDE (1.x is easiest for beginners) from [arduino.cc](https://www.arduino.cc).
+* On Windows/macOS/Linux, just grab it and run the installer and follow the prompts and agree to install any USB driver offered. 
+
+---
+
+## 2. Add ESP32 & ESP8266 Boards
+
+1. Open **File -> Preferences** in the Arduino IDE.
+2. In **Additional Boards Manager URLs** add:
+
+   ```
+   https://dl.espressif.com/dl/package_esp32_index.json
+   http://arduino.esp8266.com/stable/package_esp8266com_index.json
+   ```
+   (Separate each URL with a comma or newline)
+
+---
+
+## 3. Install Board Packages
+
+1. Go to **Tools -> Board -> Boards Manager…**
+2. Search and install:
+
+   * **ESP32 by Espressif Systems**
+   * **ESP8266 by ESP8266 Community**
+
+---
+
+## 4. Ensure Packages Folder Exists
+
+* Arduino creates a folder at `~/Arduino15/packages` (`%APPDATA%\Arduino15\packages` on Windows).
+* Confirm it contains the `hardware/espressif/esp32` (and potentially `esp8266`) folders after installation.
+
+---
+
+## 5. Add Waveshare Libraries
+
+1. Download the Waveshare demo code and libraries -> [Download](https://files.waveshare.com/upload/5/50/E-Paper_ESP32_Driver_Board_Code.7z).
+2. Locate your sketchbook folder via **File -> Preferences**.
+3. Inside that folder, open/create `libraries/`.
+4. Unzip and place the Waveshare `.zip` contents there and each library should be in its own folder.
+
+---
+
+## 6. Load a Demo Sketch
+
+1. Connect your ESP32/ESP8266-based Waveshare driver board by USB.
+2. In Arduino IDE, choose your board:
+
+   * For ESP32: **Tools -> Board -> ESP32 Dev Module**
+   * For ESP8266: choose **NodeMCU 1.0** or similar
+3. Select the correct **Tools -> Port**.
+4. Open a Waveshare example (WiFi demo sketch).
+5. Click **Upload**.
+
+---
+
+## 7. Run a Demo
+
+* **WiFi demo**: modify WiFi credentials in `srvr.h`, upload, open Serial Monitor (115200 baud), find IP, then view the web interface in a browser on the same network.
+
+---
+
+## 8. Troubleshooting Tips
+
+* If upload fails with “Failed to connect…”, press and hold **BOOT (GPIO0)** button on ESP board while uploading.
+* USB drivers missing -> install CP210x or CH340
+* Port missing -> try a different USB cable or port
+* Unstable power -> ensure USB provides a full 5 V
+* Wrong board selected -> double-check Tools -> Board and Port
+
+
+### Summary Checklist:
+
+| Step | Action                                  |
+| ---- | --------------------------------------- |
+| 1    | Install Arduino IDE                     |
+| 2    | Add ESP32/ESP8266 board URLs            |
+| 3    | Install board packages                  |
+| 4    | Ensure packages folders exist           |
+| 5    | Add Waveshare libraries to `libraries/` |
+| 6    | Choose board, port, and upload a demo   |
+| 7    | Run Bluetooth/WiFi demo                 |
+| 8    | Use troubleshooting tips if needed      |