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Questions tagged [ftdi]

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

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12 votes
2 answers
20k views

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 ...
Greenonline's user avatar
  • 2,982
4 votes
1 answer
988 views

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 ...
user avatar
4 votes
4 answers
4k views

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 ...
Luca Andrei's user avatar
4 votes
0 answers
173 views

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....
Alex's user avatar
  • 41
3 votes
4 answers
8k views

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 ...
duci9y's user avatar
  • 131
3 votes
3 answers
3k views

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). ...
Agent Zebra's user avatar
3 votes
2 answers
270 views

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 ...
hoboBob's user avatar
  • 183
3 votes
1 answer
51k views

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

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 ...
codeinprogress's user avatar
3 votes
1 answer
94 views

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, ...
Petr Osipov's user avatar
3 votes
1 answer
4k views

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 ...
shyney's user avatar
  • 73
3 votes
1 answer
2k views

Connecting to the Sparkfun Redboard on Mac OS X Sierra [duplicate]

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, ...
jozilla's user avatar
  • 43
3 votes
2 answers
3k views

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 ...
Hyra Power's user avatar
2 votes
3 answers
25k views

avrdude: stk500_recv(): programmer is not responding

Arduino IDE is throwing this error when uploading sketches - avrdude: stk500_recv(): programmer is not responding The problem arose just after I uploaded a blink sketch to my Arduino Mini, which ...
totalconfusion's user avatar
2 votes
1 answer
1k views

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 ...
Greenonline's user avatar
  • 2,982
2 votes
1 answer
224 views

Arduino(s) not resetting on Serial connection lost / re-established - why?

it seems that I accidentally found a way to make my two Arduino nano clones run without resetting on serial connection close/reconnect. On one hand, this behavior is much closer to the desired ...
moestly's user avatar
  • 347
2 votes
2 answers
1k views

I can't get code transferred to my Arduino Mini Pro

About 3 years ago Sparkfun had a sale on Arduino Minis, so I bought 6 of them (3 x 3.3 V @ 16 MHz and 3 x 5 V @16 MHz). I used two of them for separate projects (everything worked flawlessly) then ...
Tim's user avatar
  • 53
2 votes
1 answer
6k views

Simulate a FTDI using an Arduino UNO

I'm looking to directly program an ESP8266 WiFi Module with out using a FTDI (USB-Serial interface) as suggested in this excelent tutorial. The real purpose is to have access to the GPIO ports of the ...
JMFS's user avatar
  • 125
2 votes
2 answers
2k views

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's user avatar
  • 21
2 votes
1 answer
590 views

Risks of ftdi_eeprom? - TX always high after flashing

I flashed an Arduino Nano compatible with ftdi_eeprom and the following config: vendor_id=0x0403 # Vendor ID product_id=0x6001 # Product ID max_power=0 # Max. power consumption: value * 2 ...
moestly's user avatar
  • 347
2 votes
1 answer
3k views

Atmega328P burn bootloader with FTDI

I need your help. I am using Arduino ProMini in my project. In project board there is Atmega328P which doesn't have Arduino bootloader, and Atmega328P RXD, TXD pins are connected to FTDI Basic(...
Mamurbek's user avatar
2 votes
1 answer
493 views

BLE Mate 2 bluetooth module to Arduino Uno without FTDI SmartBasic

So I'm trying to hook up this BLE breakout board to an Arduino Uno. SparkFun has a hookup guide which seems to be great for someone who has an FTDI SmartBasic that is mentioned in the article. I don't ...
Ricky Hartmann's user avatar
2 votes
1 answer
1k views

atmega328p on breadboard using ftdi to upload sketches @8mhz 3.3v

I'm having trouble getting the atmega328p chip to upload sketches using my ftdi. It always comes up with an error saying not in sync. I have an 8Mhz crystal with 22pf capacitors. The weird thing is I ...
Ageis's user avatar
  • 123
2 votes
1 answer
90 views

SparkFun RedBoard PTH Kit wrongly configured hardware

I have a SparkFun RedBoard PTH Kit. It's not made by SparkFun, but by https://inmotion.pt (that doesn't exist anymore). I soldered it, and bought a FTDI adapter, but when I try to upload the blink ...
Ayo Reis's user avatar
  • 121
2 votes
0 answers
606 views

Still getting "stk500_recv(): programmer is not responding" while uploading to bare ATmega328P

SOLVED! See bottom. I know this question has been asked a lot (believe me, I've been Googling for solutions for 3 days, and have come across many posts on SE), but none of the posts I've found have ...
Carl S's user avatar
  • 21
2 votes
0 answers
2k views

Why the serial connection only work when Tx and Rx are shorted?

I have a Arduino Pro Mini 3.3V connected to a sim800l chip using a serial connection of 9600bps. When I connect the Arduino to the device, it seems I don't receive anything on the Arduino Rx pin. I ...
Pat's user avatar
  • 121
2 votes
1 answer
94 views

My mega only works on 1.0.1 IDE

My mega usb/serial adapter died some time ago, so I bought an external FTDI programer wich I got working on 1.0.1 IDE. I can load any program to the mega, even complex led matrix driver I wrote myself ...
rMaero's user avatar
  • 23
2 votes
0 answers
3k views

Arduino Serial Monitor shows strange ASCII characters

I connected an ArduiMU v3+ via a FTDI-cable to my Mac (OS X 10.10) (latest VC FTDI driver is installed and loaded). Inside the Arduino-software the Serial Monitor (monitoring /dev/cu.usbserial-...
Hedge's user avatar
  • 207
2 votes
0 answers
420 views

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 ...
Murray Todd Williams's user avatar
2 votes
0 answers
198 views

Device manager sees my nano as FT232 USB UART not as COM port

Until yesterday I had 2 arduino nanos (atmega328, 16Mhz, 5V), and they worked fine,when I changed the cable and was able to upload code to them. Then I tried to make a breadboard arduino, but my PC (...
user3598726's user avatar
2 votes
0 answers
56 views

One FTDI on Three Atmega

I'm doing a schematic for an arduino project-based and I can not proceed. I'm facing a problem which I have no idea how can I solve it so that's the reason I'm writing back to you. The thing is: I ...
scuba's user avatar
  • 173
1 vote
2 answers
610 views

Using Arduino UNO as FTDI

so , just bought some pre-bootloaded ATmega328(p/pu) to which I need to upload sketches on a breadboard using uno TX and RX pin as FTDI Here is what I am to do. I connected Uno GND and Reset . ...
Subha Jeet Sikdar's user avatar
1 vote
2 answers
4k views

Reprogram CH341A chips VID PID etc

I know it's possible (in theory) to reprogram the VID PID details back into a chip. It is however way beyond me. Recently I learned that Microsoft distributed a piece of malicious software as part ...
James's user avatar
  • 345
1 vote
2 answers
223 views

Methods of programming the Arduino

I took a look at a barebones Arduino schematic. It had three different ways of programming the chip. The first interface is for programming through SPI (For example with "Pocket AVR Programmer&...
user1584421's user avatar
  • 1,405
1 vote
3 answers
3k views

Upgrade ESP-01 firmware on MacOS

I recently bought an ESP-01 as well as an FTDI programmer (3.3v-5v) and after typing AT+GMR I noticed it said: AT version:0.40.0.0(Aug 8 2015 14:45:58) SDK version:1.3.0 Ai-Thinker Technology Co.,...
Marcelo_M's user avatar
  • 121
1 vote
2 answers
7k views

How to use FTDI to program Lilypad Arduino?

I am trying to upload a basic Blink code from my computer to Arduino Lilypad contains Atmega 328. While my Blink codes are uploading, FTDI 1402-C CN480661 FT232RL module is not responding to the ...
Bay's user avatar
  • 305
1 vote
1 answer
4k views

How to install FTDI Serial Drivers on Mac?

I'm following this tutorial on how to install FTDI drivers on macOS, but am facing some issues. After downloading the USB Serial Driver version 2.4.4 (for OS X 10.14) from FTDI Chip's virtual COM port ...
ttoshiro's user avatar
  • 181
1 vote
1 answer
2k views

Programming the ATMega328P without Arduino board always returns the error: avrdude: stk500_recv(): programmer is not responding

I have a microcontroller: ATMega328P. I don't have any Arduino Uno board. I want to program the ATMega328P using my FTDI programmer. But when I try to program the ATMega328P without Arduino board I ...
waas1919's user avatar
  • 153
1 vote
1 answer
819 views

FT232RL Chip pinout to flash Arduino Pro Mini [closed]

Looks I have a FTDI USB to TTL adapter that doesn't follow the standard Arduino FTDI pinout order. The chipset is FT232RL and here is the link to Amazon page. https://www.amazon.com/Adapter-Serial-...
Arky's user avatar
  • 113
1 vote
5 answers
6k views

Arduino Nano (clone) not recognized

Asking here cause I ran out of options in searching. My Arduino Nano clone isn't recognized by my computer anymore. It was, until I plugged into a Windows machine, that did not recognize it... and now ...
Hopeless Student's user avatar
1 vote
1 answer
829 views

Connect a USB slave into Arduino using FTDI

Probably I'm asking a nonsense question but I'm new at interfaces. I want to connect an USB barcode scanner to an Arduino (Uno or Mega). I've read that I need a USB host shield to achieve this. But I ...
Gonzalo Solera's user avatar
1 vote
1 answer
975 views

Find number of RX and TX-pin on ArduiMu

I've got an Arduino V3+ and need to find the correct PIN number for its RX and TX-pin on the FTDI-connector. How can I find out the correct number of them to use them with the SoftwareSerial-library? ...
Hedge's user avatar
  • 207
1 vote
1 answer
2k views

Replace CH340 With FTDI

I have built a arduino midi octapad with a Clone of arduino nano that contain a ch340 chip but hairless midi says FTDI driver doesn't installed i installed that driver but it still show that error so ...
Thusitha's user avatar
1 vote
1 answer
172 views

DIY Arduino with USB port

I am planing on making Arduino from scratch. I found many examples on internet, but they all need another Arduino for programming. How can I make Arduino with USB interface for programming and serial ...
Name's user avatar
  • 135
1 vote
1 answer
2k views

How to upload a sketch to an atmega328 via FTDI FT232RL UART and Arduino IDE?

I have a sparkfun AVR Pocket Programmer and have burned the bootloader and uploaded programs using "upload using programmer" via USBtinyISP. It works fantastic. I have a sparkfun FTDI Basic (...
user14446's user avatar
  • 121
1 vote
1 answer
4k views

ESP32-Cam No Response and Unable to Program - Timed out waiting for packet header

I recently purchased an ESP32-CAM but have had no luck in programming the board or getting any response whatsoever. I first tried to program it using the an FTDI programmer and the Arduino IDE (...
LonelyLodge's user avatar
1 vote
1 answer
951 views

Flashing ESP8266 ESP-12E/12F

I'm pretty new to Arduino programming and i'm trying to connect this ESP8266 module to my FTDI programmer but constantly getting this error on my ARDUINO IDE: esptool.FatalError: Failed to connect to ...
Enes Dedic's user avatar
1 vote
1 answer
3k views

How to program the Robotdyn Mega 2560 PRO MINI?

I want to program the Robotdyn Mega 2560 PRO MINI which has no USB port. How do I connect the pins to an FTDI? Which setting do I have to use in the Arduino IDE?
Edgar's user avatar
  • 198
1 vote
1 answer
276 views

Can't upload to Arduino Mini via Arduino USB 2 Serial Converter

I bought an Arduino Mini and also an Arduino USB 2 Serial Converter. While trying to program the Arduino Mini, I get this error: avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x00 ...
Ariel Weinberger's user avatar
1 vote
1 answer
2k views

Trying to flash ATTiny85 bootloader using FT232R in the Arduino IDE

I have a FT232R that I want to use to flash my ATTiny85 bootloader in the Arduino IDE, can someone help me out on this? I don't want to get a AVR programmer.
Pepperrika's user avatar
1 vote
1 answer
107 views

How does Arduino IDE for OSX work without drivers?

My Arduino IDE works right out of the box without me having to install any USB to UART drivers. I know the Atmega16U2 on the UNO is acting as UART bridge, but this means that OSX recognizes it on a ...
Alex's user avatar
  • 235