Firmware-based Capacitor and Equivalent Series Resistance (ESR) Meter

This paper presents the development of a capacitor ESR meter, which covers capacitance and measurements as well interrelationship constituent parts/circuits. The idea is to keep hardware design simple, transferring complexity firmware controls hardware. In particular, it uses automatic functions controlled by relays thus there no need for switches its calibration ensures menus. work voltmeter function, C/R time constant function using Arduino Uno boards. Each code was developed one after other, starting with then finally function. Results were checked serial data transfer from board laptop that running compiler terminal. One Nano interface constructed project shield. provide An organic light-emitting diode (OLED) display used show measurement results. Logic control added required intended, an short circuit detection at DUT terminals includes cycle. Conventional meters are usually have complex hardware, in contrast presented this shifts focus so uncomplicated. reduces cost typically comes more components. Keywords : Capacitor, Meter, C-R Time Constant, Arduino, OLED Display, Calibration DOI: 10.7176/CEIS/13-1-02 Publication date: January 31 st 2022