Costs

Walking Stick

• 1 Arduino UNO: 800
• 5 HC-SR04 Ultrasonic Sensor: 5x100
• 1 Walking Stick: 570
• 1 Battery: 640
• 1 Servo Motor: 150
• 1 Breadboard: 100

Mapping Bot

• 1 Arduino UNO: 800
• 1 L298N Motor Driver: 120
• 3 HC-SR04 Ultrasonic Sensor: 3x100
• 1 Breadboard: 100
• 2 Motors: 2x75
• 4 Wheels: 4x50
• 1 Body: 100