The telephone line status indicator
The telephone line status indicator to prevent the hearing others talk on the phone accidentally and a Protection to making phone calls simultaneously. […] Read more
The telephone line status indicator to prevent the hearing others talk on the phone accidentally and a Protection to making phone calls simultaneously. […] Read more
This is simple inverter circuit on 30 watts, It converts DC voltage from 12V battery to AC 220V-230V at 50Hz which is electricity same use in your house[…] Read more
This is IC 7805 adjustable voltage regulator circuit, can adjust voltage output: 5V up to 30V as need 6V,7.5V,8V,9V,10V and 12V etc at 1A it small and cheap[…] Read more
This is IC 7805 constant current circuit for battery charger, It is advantage that we have IC- 5-volts 1A positive voltage regulator as current regulation Read more
Today we see the 19W stereo integrated amplifier IC-TA7240AP, ideal for small rooms Or use the car because the power supply only 12 volts. […] Read more