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jrigvd1995

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jrigvd1995 It's supposed to be backwards... RX on the Arduino has to be connected to the TX on the module, and TX to RX...

Aresby 2015-12-22 01:55:11

Very easy to connect this to a Pro Micro - just make sure you connect the correct wires on both boards as the order is not the same on both boards. Also the data +ve and -ve are reversed (so data +pos on this board goes to -neg on Pro Micro, for example). Worked first time for me! Allows you to use a really tiny Arduino board and just connect this up to reprogram. Identified itself on my Windows See More

3Pcs CJMCU CP2102 USB To TTL/Serial Module Downloader Geekcreit for Arduino - products that work with official Arduino boards

US$6.22 US$7.93

Comments (1)

jrigvd1995 Hey, It's me once again! Tried it with 3.3v logic today. The LED's draw too much current for the CP2102 to detect 3.3v high and low. I replaced the 2 resistors (220 ohm, 221 marking) with 1kOhm (102 m... See more

jrigvd1995 2015-12-24 08:41:26

I tested all three of them, and they work like a charm! The only downside is that I got straight headers with mine... If you purchase this item to program Arduinos, be careful, as the DTR pin can not be directly connected to the RST pin on the Arduino. The solution: Take a 0.1µF ceramic capacitor (104 marking), and put one pin on the DTR pin of this adapter, and the other pin on the RST of your See More

3Pcs CJMCU CP2102 USB To TTL/Serial Module Downloader Geekcreit for Arduino - products that work with official Arduino boards

US$6.22 US$7.93

Comments (1)

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