Quantity   Component name
1 × Arduino nano Atmega 328 (or any other arduino, or ESP chip)
1 × 128x64 LED display
3 × 100k - 4W carbon resistor
2 × 20k carbon resistor
3 × 7k resistor
4 × 10M resistor
1 × HPRS GMS sim800L module
1 × 9v Li-íon battery
1 × SIM Card