library ready

LICENSE

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+MIT License
+
+Copyright (c) 2025 FABLAB BH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# FABLAB_BH_Library
+
+**Author:** Fatima  Idrees
+**Maintainer:** FABLAB BH  
+**License:** MIT
+
+## Description
+
+FABLAB_BH_Library is an Arduino library designed to [briefly describe what the library does, e.g., "control custom hardware developed at FABLAB BH"].
+
+## Installation
+
+1. Download the latest release from [GitHub/website].
+2. In the Arduino IDE, go to **Sketch > Include Library > Add .ZIP Library...** and select the downloaded file.
+
+## Usage
+

library.properties

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+name=FABLAB StripLED
+version=1.0.0
+author=Fatima
+maintainer=FABLAB BH <contact@fablabbh.org>
+sentence=Arduino library for FABLAB BH projects.
+paragraph=This library provides useful functions for FABLAB BH hardware.
+category= Communication
+url=https://github.com/fablabbh/FABLAB_BH_Library
+architectures=*

src/I2CCommands.h

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+#ifndef I2C_COMMANDS_H
+#define I2C_COMMANDS_H
+
+#define CMD_CHANGE_ADDR 0xAA // Use the same value as in your slave
+
+#endif

src/I2CMasterUtils.cpp

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+#include "I2CMasterUtils.h"
+#include "I2CCommands.h"
+
+void I2CMasterUtils::scanI2C(Stream &output) {
+    output.println("Scanning for I2C devices...");
+    for (uint8_t addr = 1; addr < 127; addr++) {
+        Wire.beginTransmission(addr);
+        if (Wire.endTransmission() == 0) {
+            output.print("Found device at 0x");
+            output.println(addr, HEX);
+        }
+    }
+}
+
+void I2CMasterUtils::changeSlaveAddress(uint8_t oldAddr, uint8_t newAddr, Stream &output) {
+    Wire.beginTransmission(oldAddr);
+    Wire.write(CMD_CHANGE_ADDR); // Use the command code from I2CCommands.h
+    Wire.write(newAddr);
+    Wire.endTransmission();
+    output.print("Sent address change command to 0x");
+    output.print(oldAddr, HEX);
+    output.print(" -> 0x");
+    output.println(newAddr, HEX);
+}
+
+bool I2CMasterUtils::parseChangeAddressCommand(const String &input, uint8_t &oldAddr, uint8_t &newAddr) {
+    if (!input.startsWith("ch")) return false;
+    int o, n;
+    int matched = sscanf(input.c_str(), "ch %x %x", &o, &n);
+    if (matched == 2) {
+        oldAddr = (uint8_t)o;
+        newAddr = (uint8_t)n;
+        return true;
+    }
+    return false;
+}

src/I2CMasterUtils.h

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+#ifndef I2CMASTERUTILS_H
+#define I2CMASTERUTILS_H
+
+#include <Arduino.h>
+#include <Wire.h>
+
+class I2CMasterUtils {
+public:
+    static void scanI2C(Stream &output = Serial);
+    static void changeSlaveAddress(uint8_t oldAddr, uint8_t newAddr, Stream &output = Serial);
+    static bool parseChangeAddressCommand(const String &input, uint8_t &oldAddr, uint8_t &newAddr);
+};
+
+#endif