diff --git a/__init__.py b/__init__.py
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diff --git a/admin_routes.py b/admin_routes.py
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+++ b/admin_routes.py
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+from flask import Blueprint, jsonify, request
+from flask_jwt_extended import jwt_required
+import pymysql
+from config import Config
+
+admin_bp = Blueprint('admin', __name__)
+
+def get_db():
+    return pymysql.connect(
+        host=Config.MYSQL_HOST,
+        user=Config.MYSQL_USER,
+        password=Config.MYSQL_PASSWORD,
+        database=Config.MYSQL_DB,
+        cursorclass=pymysql.cursors.DictCursor
+    )
+
+#GET — Récupérer tous les utilisateurs
+@admin_bp.route('/users', methods=['GET'])
+@jwt_required()
+def get_users():
+    db = get_db()
+    cursor = db.cursor()
+    cursor.execute("SELECT * FROM users")
+    data = cursor.fetchall()
+    db.close()
+    return jsonify(data), 200
+
+# POST — Ajouter un utilisateur
+@admin_bp.route('/users', methods=['POST'])
+@jwt_required()
+def add_user():
+    body = request.get_json()
+    db = get_db()
+    cursor = db.cursor()
+    cursor.execute(
+        "INSERT INTO users (username, password) VALUES (%s, %s)",
+        (body.get('username'), body.get('password'))
+    )
+    db.commit()
+    db.close()
+    return jsonify({'message': 'Utilisateur ajouté avec succès'}), 201
+
+#GET — Récupérer les seuils
+@admin_bp.route('/thresholds', methods=['GET'])
+@jwt_required()
+def get_thresholds():
+    db = get_db()
+    cursor = db.cursor()
+    cursor.execute("SELECT * FROM thresholds")
+    data = cursor.fetchall()
+    db.close()
+    return jsonify(data), 200
+
+#POST — Modifier un seuil
+@admin_bp.route('/thresholds', methods=['POST'])
+@jwt_required()
+def set_threshold():
+    body = request.get_json()
+    db = get_db()
+    cursor = db.cursor()
+    cursor.execute(
+        "INSERT INTO thresholds (sensor, min_value, max_value) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE min_value=%s, max_value=%s",
+        (body.get('sensor'), body.get('min_value'), body.get('max_value'), body.get('min_value'), body.get('max_value'))
+    )
+    db.commit()
+    db.close()
+    return jsonify({'message': 'Seuil mis à jour avec succès'}), 200
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