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CH340 Arduino performance

By dejko1 Posted on September 4, 2014 Posted in Arduino, Electronics, Programming 6 Comments Tagged with arduino, ch340, ch340 driver, usb serial

There have been many low-cost Arduino boards with CH340 converter available recently. CH340 is a USB to UART/TTL converter made by WCH (Win Chip Head ? / www.wch.cn / www.wch-ic.com). The converter replaces the costlier FT232 / PL2303 / CP2102 …

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Arduino IDE working slow and how to speed it up

By dejko1 Posted on August 20, 2014 Posted in Arduino, Programming 3 Comments Tagged with arduino, ide, rxtxserial, slow, speed up

I have been doing some work in Arduino IDE on an old laptop I have been using for field work. Arduino worked painfully slow (eg. opening menus blocked any work for almost 20 seconds), but I didn’t think that the …

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Relay control by PC, using RS232 converter CP2102

By dejko1 Posted on June 27, 2014 Posted in Electronics, Programming 3 Comments Tagged with automation, cnc, cp2102, relay, rs232

It is pretty easy to control a single relay using a PC by USB. I used a USB to RS232 (TTL) converter using CP2102 chip which has a DTR line output available and a board with relay. The relay board …

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