When working around mains voltages, it can be useful to know whether a given circuit is live or not. While this can be done by direct connection with a multimeter, non-contact methods are available ...
This is a CMOS IC (CD4033) based circuit which can be used to detect presence of AC mains voltage without any electrical contact with the conductor carrying AC current/voltage. Thus it can be used to ...
If you need a reliable way to search for network cables or AC electrical wires you might be interested in a new multifunctional electric wire detector called the NOYAFA NF-825. Launched via ...
CAPZero is a family of self powered ICs designed to reduce the losses associated with the input filter capacitor discharge resistors when the AC voltage is present. Each CAPZero device contains an ...