I think this is HTML so I would recommend use the doc on W3schools.com
You have a raspberry pi connected to all the sensors and a code running to trigger if the sensors are triggered. Each sensor and keypad would run to a different input on the pi. They should al be able to be powered with a single cell lipo. Is that what you are asking?
Answer:
Hi myself Shrushtee. And l have given your answer in Hindi and English language.
Explanation:
an electronic machine that can store, find and arrange information, calculate amounts and control other machines
जानकारी संचित करने, ढूँढ़ने व व्यवस्थित करने, परिकलन करने व अन्य मशीनों पर नियंत्रण रख पाने वाली एक इलेक्ट्रॉनिक मशीन; कंप्यूटर
please mark me as brainleist
The lack of lock in the browser security status bar indicates that the site is not secure. The danger of proceeding with the transaction is that THE USER IS USING THE WRONG BROWSER TO PERFORM THE TRANSACTION. The site is not secure and all the passwords and other sensitive information that the user is using can easily be copied and used against him.