bids are invited for boq bid arduino compatible analog sound level meter, connection cable with ardino, breadboard, jumper wires , arduino compatible multichannel gas sensor, breadboard, jumper wires , arduino compatible lorawan temperature and humidity sensor , junction box with holes ip65 waterproof , arduino nano 33 ble board with ov7675 camera, arduino tiny machine learning shield, and usb a to micro usb cable , rfid 20 ft antenna cable , raspberry pi 3 model bplus with all accessories as given in specification file , lora arduino shield with sensors , 5v solar power manager , monocrystalline solar panel-5v 1a total quantity : 123