S Sceptre New Member Dec 8, 2003 #1 anyone know a small circuit that can detect 120 or 240vac. i want to detect the voltage, and when its on and off, do specific events. TIA
anyone know a small circuit that can detect 120 or 240vac. i want to detect the voltage, and when its on and off, do specific events. TIA
R Russlk New Member Dec 8, 2003 #2 This circuit will both detect the presence of AC and power the circuit up to 20mA. Note that it is not isolated, don't allow it to come in personal contact! Attachments ACCKT.jpg 46.4 KB · Views: 235
This circuit will both detect the presence of AC and power the circuit up to 20mA. Note that it is not isolated, don't allow it to come in personal contact!