Arduino Stack Exchange
Arduino Stack Exchange

Questions tagged [ftdi]

Typically refers to a specific type of device which allows raw serial communication with a PC via USB.

96 questions
12
votes
2 answers

FTDI Breakout with additional ISP connector

TL;DR - Can the six yellow ISP pins be used as a normal ISP? The usual USB-TTL FTDI breakout board looks like this: Recently, I came across a variant of the board shown below. However, what are the additional yellow header pins on this board for?…
Greenonline
  • 3,152
  • 7
  • 36
  • 48
4
votes
1 answer

Purpose of USB (FTDI) and ICSP connectors

As an Arduino newbie I am a little bit confused about possible ways of programming and communicating with this device. I have done some research and it seems that: ICSP is used for programming with a bootloader in MCU. The USB (FTDI) port is used…
azrael
4
votes
4 answers

Arduino Pro Mini Serial Monitor garbage

This is my first post. I hope that I am posting in the right section of the forum. Otherwise, could an admin move this topic to the appropriate section please? Board : Arduino Pro Mini 3.3V 8MHz Arduino IDE : 1.6.12 Arduino is powered by a FTDI…
Luca Andrei
  • 49
  • 1
  • 3
4
votes
0 answers

Can d2xx connect to an arduino mega 250?

I am trying to replace a device which used a FTDI chip (http://www.ftdichip.com/Drivers/D2XX.htm) to get USB to serial. I need some more code on the chip, so I want to use an arduino mega 2560 instead. However, there is quite a lot of software which…
Alex
  • 41
  • 1
3
votes
1 answer

How to flash a NodeMCU (ESP8266) with an external FTDI programmer?

Hi my USB to UART bridge (CP2102) seems to be broken on one of my NodeMCU Dev Boards with ESP8266. It seems to be just that specific board since all other boards that I have can be flashed without problems. I have a FTDI Programmer like this…
shyney
  • 73
  • 1
  • 6
3
votes
1 answer

Arduino Uno unable to detect usb port on Mac OS Sierra 10.12.5

Few weeks ago my Arduino Uno (IDE version 1.8.2) detected the USB port and I was able to do some small IOT projects. I updated my OS to Sierra 10.12.5 and now suddenly the usb serial option has disappeared. I followed this link :…
codeinprogress
  • 167
  • 1
  • 1
  • 3
3
votes
1 answer

Connecting to the Sparkfun Redboard on Mac OS X Sierra

I'm trying to connect to my Sparkfun Redboard (Arduino UNO compatible) on Mac OS X 10.12.3 (Sierra). The board comes with a USB mini to USB A FTDI cable. The board lights up and gets power over USB, but I don't see the right USB serial port in the…
jozilla
  • 43
  • 5
3
votes
3 answers

avrdude: stk500_recv(): programmer is not responding - OSX10.11

I'm getting the following error with a genuine Arduino Uno on Mac OSX10.11 El Capitan when uploading to it (the green light is on, the orange light flashes intermittently while attempting to upload). Here's the error: avrdude: stk500_recv():…
Agent Zebra
  • 211
  • 3
  • 9
3
votes
2 answers

Capacitors in DC circuits

I have a question about capacitors in DC (digital) circuits. The picture below is an edited schematic of the Arduino Uno R3. The DTR line is connected to the reset input of the Atmega328 by a 0.1uF capacitor. The capacitor is needed to initiate a…
hoboBob
  • 183
  • 1
  • 9
3
votes
1 answer

Arduino Pro Mini

I have the following problem I have a pro mini clone, with 328/5V. It was successfully working in my board. I pulled it out of the board, and wanted to update my software. I connected it to my FTDI, arduino was normal by this time. Power on LED was…
Petr Osipov
  • 151
  • 3
3
votes
2 answers

ESP8266 Returns 'invalid' - Cause 4

I have tried to get the Ai-Thinker ESP8266 working at all. If you hook it up to an Uno you have garbage returned no matter what the baud rate is. Tried softwareSerial on D3 and D4 (switching pins doesn't help) and over D0 and D1 with no sketch (to…
Hyra Power
  • 256
  • 2
  • 8
3
votes
4 answers

Arduino not detected On El Capitan Public Beta 6

Since I updated to El Capitan Public Beta, my Arduino Uno doesn't show up in the serial devices list. The System Information utility shows an Arduino connected on the USB port (as 'Communication Device'), but a serial port does not get created at…
duci9y
  • 131
  • 1
  • 4
2
votes
0 answers

FTDI Cable to bypass USB for Arduino (Blend Micro) Programming

I bought a Blend Micro (an Arduino Micro with Bluetooth) a few months ago, and after my first experimentation with uploading the Blink sketch something went wrong with the USB connection--it would supply power, but no computer (Windows, OS X or…
Murray Todd Williams
  • 121
  • 2
2
votes
1 answer

Regarding the USB port, what is the difference between Uno/Mega and the older boards?

I would like to know what the exact difference is between the Uno and Mega boards and the older boards (Duemilanove, Diecimila, etc.). Why do I need to install a FTDI driver for the older boards, and not for the Uno/Mega boards? I was in a class…
Greenonline
  • 3,152
  • 7
  • 36
  • 48
2
votes
2 answers

Programming ATmega2560 processor with FTDI instead of ATmega32

Has anyone tried to program an ATmega2560 with an FTDI chip as is done in the Arduino Nano (this is for a custom design). Will it work?
Arcu
  • 21
  • 2
1
2 3 4 5 6 7