RDA 112

Practical Electronics

Circuits, Components, Instruments and Smart Circuits without Code

Every robot, drone and smart device runs on electronics. Sensors turn light, heat, motion and moisture into voltages; amplifiers, comparators and logic make decisions from them; transistors, relays and motor drivers act on those decisions; and batteries, solar panels and regulators keep the whole system powered. An engineer who understands these circuits can build a working product, find out why one has stopped working, and choose components that survive heat, dust and an unreliable mains supply.

15 chapters, 229 pages. Published by RAIN, 2026. Full contents