1. Ashton, K.: That ‘Internet of Things’ Thing. Retrieved 9 May 2017 (22 June 2009)
2. Display LCD are 2.4″.
https://www.optimusdigital.ro/ro/
(2018)
3. Bluetooth Master Slave HC-05.
https://www.optimusdigital.ro/ro/
(2018)
4. GSM SIM800L.
https://www.optimusdigital.ro/ro/gsm-i-gprs/
5. Gao, H.Q., Duan, X.H., Guo, X.Q., Huang, A.P., Jiao, B.L.: Design and tests of a smartphones-based multi-lead ECG monitoring system. In: 35th Annual International Conference of the IEEE Engineering in Medical and Biology Society (EMBC), 2013 (In Press)