Padang Tunggal, T., Anggi Kirana, L., Zuhri Arfianto, A., T.Helmy, E. and Waseel, F. 2020. The Design of Tachometer Contact and Non-Contact Using Microcontroller. Journal of Robotics and Control (JRC). 1, 3 (Feb. 2020), 65–69. DOI:https://doi.org/10.18196/jrc.1315.