Many friends suggested that my son should learn to use the Arduino microcontroller before.So it is First Arduino UNO R3 Board R3 leaning Board of my son. The Arduino is the concept characteristics Platform consists of Hardware and Software. Used for connecting computers to the physical environment, including users, called Physical Computing. The Arduino starts … Read more
This is a digital volume control circuit that Can be applied to the normal volume of a power amplifier. When press switch S1 adds up the volume and press switch S2 to reduce the volume down. There are three circuit ideas for you. 555 Digital volume control IC1 is a 555 CMOS Timer Single IC … Read more
The digital clock circuit board using LM8365,alarm and relay control, alert 2 times in 24 hour,backup battery power outage. Show dates, months or seconds […] Read more
Usually an analog to digital converter circuit or A/D that need high accurate devices and and high difficult. But this circuit all error does not affect. Read more
The Traffic light controller circuit. use the LEDs for display and the digital circuit as based, include IC-4027,CD4017,IC-555 and so easy and cheap. […] Read more