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Reviews (25)

Jun 13, 2017
Works Well
I used this little device to program an Arduino Uno clone that has a defective communications chip. I removed the little jumper on the converter. I connected the 5V pin to the Uno 5V pin. I connected TXD to the Uno RX and the RXD to the Uno TX. I had previously installed the CH340G driver in my computer. Because the DTR signal is not brought out to a pin, I had to hold the reset button on the Uno until the the sketch had compiled and then released it as soon as the program began uploading. Everything worked perfectly.

May 16, 2017
Good quality at a good price.
These chips work great. If you are going to use them in an Arduino Uno, you will have to burn the boot loader for the uno. This is a 15 second job using a USBTinyISP

Nov 01, 2018
Fits and works well.
Works well. Watch the you-tube video before installing this, it may save you some grief. Ten minute job put a sawzall back to work.