This circuit provides a high intensity pulsating signal to a speaker. The circuit is from an American 90's documentation. The power supply is 12 V.
This timer up to 2 hours was found in a documentation of the year 2000. It uses only bipolar...
This traditional high sensitivity voltmeter circuit using a FET can employ the MPF102 or BF245 in its...
SST OXY Flex Oxygen Sensor The purpose of this SST sensor is to measure oxygen level in enclosed...