Koppolu, P.K.Cmc, K.Jagtap, A.Dharmadikari, R.Gajare, T.2026-02-062021Lecture Notes in Electrical Engineering, 2021, Vol.700, , p. 1805-182318761100https://doi.org/10.1007/978-981-15-8221-9_168https://idr.nitk.ac.in/handle/123456789/30410This paper presents a method to make a hybrid electric bicycle by modifying the existing conventional bicycle keeping the ability to pedal. The cycle consists of a battery, motor drive, which comprises a DC–DC converter for the motor, as well as regenerative braking. This cycle has a unique feature of exercise mode where the user can charge the battery as in stationary cycles in the gymnasium. The bicycle covers 28 km with a maximum speed of 23 km/h. In one charge which is sufficient from a city point of view, where pollution and traffic congestion is a significant concern these days. This paper also presents mechanical designs, electronics design of DC–DC converter, power supply, and a microcontroller with test results. © 2021, Springer Nature Singapore Pte Ltd.Electronic designExerciseHybridPollutionRegenerationTraffic