Simple Earth Fault Indicator Circuit is like safety guard for electric system, as it checks if electric connects to ground by mistake, like when bad wire touch metal box. Also, this is very important because if there is an electric leak the machine may break and cause a fire or may shock people. Circuit watch […]
Security and Protection
Mains AC Transients Indicator Circuit
Think like anyone have one small device to check its home electricity going up and down; then this Mains AC Transients Indicator Circuit is same like that but only for sudden high voltage. These high voltage come from lightning and big machine turning ON or power change, also this circuit have one sensor who is […]
Solar Powered Animal Scarer Circuit
First of all, this Solar Powered Animal Scarer Circuit is very simple and very useful project for farm, garden and home protection. To begin with, it use solar energy, so it save electricity and work in eco-friendly way. Moreover, it scare animals like cat, dog, monkey and birds by using flashing light or sound signals. […]
Heatsink Temperature Protection Circuit
Think heatsink like small radiator for our devices which help keep cool. Heatsink Temperature Protection Circuit is like safety man for that small radiator, as it got small sensor by always checking heatsink heat. Also, if too hot like one have got fever then this circuit does something, as it maybe a stop power or […]
Simple Static Electricity Detector Circuit
Simple Static Electricity Detector Circuit is like alarm for electricity when gathers on things like clothes and this happen when we rub things together. Also, this kind of electricity can break small electronics, so detector is useful near them; also detector have special sensor which feels electric change in air. Maybe its wire stick out […]
Multi-Tone Electronic Siren Circuit
In this article for Multi-Tone Electronic Siren Circuit make it more fun with one siren circuit that makes many sounds. Also, this small thing work like alarm sound toy which is good as warning. But not just one boring sound it makes many loud noise one after one or same time!; and it works well […]