Digital Temperature Sensor - DS18B20, one wire case With 4 cell AA battery

With 4 cell AA battery holder and power switch

1x INA219 Bi-directional DC Current/Power Sensor Module I2C

Let USB achieve HOST function

under-voltage lockout

PinOut Uno: MEGA R3

Digital Temperature Sensor - DS18B20, one wire case With 4 cell AA batteryDS18B20 Temperature Sensor Module is a Digital temperature sensor DS18B20 that will tell you temperature with 9 to 12 bit resolution! Uses only 1 wire to the Arduino or other microcontroller for communication. With the One Wire protocol, you can operate a large number of these sensors from one Arduino pin. The connection of this sensor to the Arduino via the 1 wire protocol is established. Therefore, several sensors can be connected only through one