|Item model number||Nano V3.0|
|Item Weight||1.44 ounces|
|Package Dimensions||5.1 x 4 x 1.1 inches|
SainSmart Nano v3.0 Compatible with Arduino
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- Microcontroller Atmel ATmega328
- Operating Voltage (logic level) 5 V
- Input Voltage (limits) 6-20 V
- I/O Pins:14 Digital, 8 Analog free
- Flash Memory - 32 KB (2 KB used by bootloader)
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The SainSmart Nano V3.0 can be powered via the mini-USB connection, 6-20V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source.
● Automatic reset during program download
● Power OK blue LED on the bottom, Green (TX), red (RX) and orange (L) LED
● Auto sensing/switching power input
● Mini-B USB for programming and serial monitor
● ICSP header for direct program download
● Standard 0.1” spacing DIP (breadboard friendly)
● Manual reset switch
● Microcontroller: Atmel ATmega328
● Operating Voltage: (logic level) 5 V
● Input Voltage (recommended): 7-12 V
● Input Voltage (limits): 6-20 V
● Digital I/O: Pins 14 (of which 6 provide PWM output)
● Analog Input: Pins 8
● DC Current per I/O: Pin 40 mA
● Flash Memory 32 KB (of which 2KB used by bootloader)
● SRAM 2 KB
● EEPROM 1 KB
● Clock Speed 16 MHz
● 1x SainSmart Nano 3.0 Board
● 1x mini USB Cable
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The low rating I gave is directed at the management at SainSmart for choosing the vendor who tried to make those Nanos with cheap or dubious parts. In addition to buying the FT232RL from a non-approved vendor I also noticed that two electrolytic capacitors on the good board were replaced with cheaper ceramic (probably lower valued) capacitors on the non-operational boards. They also used slightly cheaper green power indicator LEDs in place of the blue that was used on the good board.
Workmanship appeared good on all boards. That told me that the vendor that saved a few pennies on the non-operational boards is capable of good work but consciously chose to shave costs and take a chance with how well the board will operate. Lower valued capacitors can cause very difficult to trace problems. The counterfeit chip is radically different than the original, since it appears to be a processor that is mask programmed to emulate the real chip. Timing will certainly be different
I have included pictures of the five Nanos I have showing both top and bottom views. In both cases the good one is on the far left.
Keep in mind that these photos are only of SainSmart Nanos. The hardware design is open source so similar boards are made by a host of other manufacturers. Even Gravitech, the original designer of the Nano has been hit by this counterfeit fiasco.
This has a counterfeit FTDI chip. The FTDI chip on the board is what allows you to program the arduino via USB. The latest Windows update, or current driver version from FTDI disables the device permanently. I did not know I was purchasing a device with a fake FTDI chip. The new driver update disabling these devices has been in the news (forums) the last few weeks since the October Windows update.
Looking at the chip it says "FTDI", but there are subtle differences between the fake chip on the board and a real chip I have on another board. Do not buy an Arduino unless it is from a known reputable source. FTDI has recommendations about which brands use legitimate FTDI chips.
Might I also add that it was very poorly packaged, as several of the header pins were severely bent.
Update: Vendor contacted me today apologizing for the problems and offering to fix it. I still plan to send it back and get a different board, but I was pleased with the seller's attempts to make amends. I can only assume that they would make it right, but since i am not giving them an opportunity to, I am changing my review to 3 stars (from 1) for customer service. Still frustrated, but at least they tried to make it right.
EDIT: See comments for links
Go into Device Manager and find your device which may not start or be installed. Hit properties, then Update Driver, then Browse.
From here, go to "Let me pick" option then click Have Disk. Extract the folder from the download, and browse to open "ftdibus". Click Install the security prompt and you should be golden. If this link get's broken, please reply to this post and I can try and find another mirror. Credit here:
EDIT: See comments for links
I did not know about other choices and bought it. It is partly my fault.
Anyway, I hope this information would help you to decide on your purchase if you are in the same situation as mime.
I am using it with Raspberry pi. It works sometimes, but not all the time. It worked perfectly with PC. With Raspberry Pi, USB is detected by Pi only if nano is powered by USB port from Raspberry pi. It does not work if Arduino Nano is connected to an external power source.
My solution is to get an Arduino nano with CH340G chip. That works perfectly with my PC and Raspberry Pi. This product does not work for my application.
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Can't include website in review, just look up FTDI usb Sparkfun and follow...Read more