Arc Cigarette Lighter Parts - DIY Electronic Lighter Kit GPS There are two transmitters

There are two transmitters

specification

Maximum supply voltage  :  25V

HC-SR04 Ultrasonic Sensor Datasheet

you can use external supply or connect +5V and GND pin of Arduino

Arc Cigarette Lighter Parts - DIY Electronic Lighter Kit GPS There are two transmittersSmoking though it kills and create all sort of health problems yet there are billions of people all over the world who smoke. This is a DIY Electronic Lighter Kit which can ignite the cigarette paper due to very high temperature available at output. It is very small in size and require 5V and atleast 3A of current to operate but if you use 3V supply then the current demand will increase. So you need to connect an external battery to power the device