Used Arduino parts, single use for graduation project. Two 5" 7.5" TFT Nexian screens for 340 SAR per screen. Two 4x20 LCD screens for 35 SAR per screen. Arduino Mega for 90 SAR. Two weight sensors up to 5kg for 15 SAR each. There are a set of wires, take what you need for free when you buy parts, male and female. NIR sensor for 350 SAR. ESP32 for 30 SAR. Two ultrasonic distance sensors for 20 SAR each. Two infrared sensors for 20 SAR each. Two 5V solar panels for 55 SAR per panel. Negotiable.