Quantity   Component name
1 × ESP WROOM 32 Microcontroller with in-built WiFi and BLE stack
1 × AD8232 breakout board with 3 electrodes ECG sensor
1 × LM35 temperature sensor
1 × GSR sensor
1 × SIM808 Evalution board GSM+GPS module
1 × 9V battery or power adapter For powering SIM808