Smart thermostats are becoming common in Indian homes and offices—but powering them safely and efficiently at low voltage is a challenge many DIYers face.   The Problem: Powering Thermostats with High Voltage   Most smart thermostats work at 3.3V or 5V DC, but in many cases, the available input power is 230V AC. Direct …

Low Voltage Smart Thermostat Power – A Practical GuideRead More