Quantity   Component name
1 × ATMEGA328P Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × CR 2032 Batteries and Battery Accessories / Batteries
1 × DHT-11 Temperature/ Humidity Sensor
1 × Coin Cell Battery Enclosure Allows the Battery to be Soldered Down
1 × NTE LED Bar Graph 10 LEDs in One Small Package
1 × Solderable PCB The Backbone of the Project
1 × 220 Ω Resistor Connectors and Accessories / Miscellaneous Connectors