| DC-DC converters can be very useful on your workbench. These circuits can generate different regulated voltage outputs, from the input volta...
Giuseppe La Rosa (7)
| Do you need a powerful amplifier but don't have much room to fit it in? This small but powerful design is capable of delivering power of...
| DC-DC converters can produce various regulated voltage outputs from an input voltage provided by a battery or a fixed-voltage power supply....
| If you want a solution to precisely control a device by temperature, check out this thermistor-based analog thermostat. With an adjustment r...
| This circuit measures the power consumption of typical loads such as lamps, household appliances, and heaters. It features an LED bar and an...
| This device was mainly designed for household appliances dealing with water. In the event of a leak — when a hydro-sensitive sensor is wet —...
| A twilight switch is a useful device that turns a lamp on at dusk and off at dawn. Some lamps have this included, but, if not, you can build...