DIY Electrical Electronics Projects Blog

8051 Instruction Set List for Reference

8051 Assembly Language Programming Instruction Set for Reference The complete instruction set of 8051 assembly language programming is given in this post. A = Accumulator Rx = One of working Registers (R0-R7). Direct =...

How to control Speed of DC series Motor?

DC Series Motor Speed Control methods In this post, let us discuss about various DC Series Motor Speed Control methods. (a) The speed of a d.c. series-wound motor is given by: where N= Speed...

Multimeter Maintenance Guide

Multimeter Maintenance Guide ( OR) Proper Use of Multimeter: Multimeter- Introduction A Multimeter is basically a PMMC (Permanent Magnet Moving Coil) meter. It is a single instrument used to measured current, resistance and voltage....