How to use CH340G Arduino Nano 3.0 on mac osx
Today we try to use CH340G Arduino Nano 3.0 on Mac OSX. In the beginning it was a problem. But it can be easy to fix. We liked it, because…
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May 20, 2016
Include: Digital counters :: IC-4017 decade counter :: 7 segment LED
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First Arduino leaning Board
Many friends suggested that my son should learn to use Arduino micro controller before. So it is First Arduino UNO R3 Board R3 leaning Board of my son. The Arduino…
February 27, 2016
Digital volume control circuit schematic
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…
November 30, 2015
LM8365 alarm digital clock for beginners
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 [...]
June 13, 2015
Analog To Digital Converter Circuit Using Simple Parts
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.
November 17, 2014
2 Traffic light circuits easy to build
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. [...]
September 28, 2014
CD4027 datasheet of Dual J-K Flip-Flop
This is the CD4027 datasheet of dual J-K flip-flops are monolithic complementary MOS (CMOS) integrated circuits. Its internal structure consists of N- and P-channel enhancement mode transistors. Each flip-flop has…
September 26, 2014