Adan NF, Abdul Hakim DND, Syed Jafri SSE, Sukelan NS, Ahmad MS. A Simulation Approach to IoT Based Safety Keychain Device Using Proteus Software. MARI [Internet]. 2020 Nov. 30 [cited 2024 May 9];2(1):380-8. Available from: https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/401