Quantity   Component name
1 × ATmega328p Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × DS3231SN Clock and Timer ICs / Real-Time Clocks
1 × 24LC512 Memory ICs / EEPROMs
1 × FT231XS Microprocessors, Microcontrollers, DSPs / Microprocessors (MPUs)
1 × MCP73832-5-OT Power Management ICs / Battery Charger
1 × MCP1700T-3302E/TT Power Management ICs / Linear Voltage Regulators and LDOs
1 × SIM808 GPS & GPRS module