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Power supply filter with increased protection

The article proposes a simple surge protector that will significantly reduce the likelihood of damage to household radio equipment from high-voltage impulse noise in the network. 230 B / 50 GC. The proposed power filter, by the level of protection they provide, In most cases, will be much more effective, what filters, embedded… Continue Reading

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voltage and current stabilizer 3.3…24 AT, 0.6…4 BUT

Unstabilized power supplies, which applied power down transformer, typically have small dimensions at relatively high output power, but the scope of their application is limited due to the inability to adjust the output voltage. To extend the applications of power sources with unstabilized output voltage or… Continue Reading

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Addition of chargers and power supplies light and sound indication of overcurrent

The article discusses the possibility of retrofitting industrial chargers and power supply electronic unit light and sound indication of overload, allowing time to avoid "accidents" and carry out the charging or low-voltage power supply devices garantiey.Neskolko years use universal charger powered lighting network… Continue Reading

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Two switches voltmeter

This article describes the two options simple and reliable turnouts voltmeters designed for operation in harsh environments. Not in all cases it is advisable to use modern digital meters. In some situations,, For example, in the garage, in the country, when you need greater protection against lightning… Continue Reading

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Improving the reliability of smoke detectors IP212-43M

The article describes the finalization of the fire detector using additional power supply and LED. Smoke detector standalone type IP212-43M production of "ITT-Signalspetsavtomatika" is designed to detect sunbathing, which is accompanied by the appearance of smoke. When triggered, the sensor device submits intermittent alarm sound.… Continue Reading