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
2answers
17k 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 ...
4
votes
1answer
530 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 ...
4
votes
4answers
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 ...
3
votes
4answers
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 ...
3
votes
2answers
215 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 ...
3
votes
1answer
50k 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 ...
3
votes
1answer
87 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, ...
3
votes
1answer
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, ...
3
votes
0answers
149 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....
3
votes
2answers
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 ...
2
votes
3answers
24k 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 ...
2
votes
1answer
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 ...
2
votes
1answer
197 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 ...
2
votes
3answers
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). ...
2
votes
2answers
999 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 ...
2
votes
1answer
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 ...
2
votes
2answers
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?
2
votes
1answer
494 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 ...
2
votes
1answer
2k 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(...
2
votes
1answer
487 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 ...
2
votes
1answer
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 ...
2
votes
0answers
188 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 ...
2
votes
0answers
1k 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 ...
2
votes
1answer
86 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 ...
2
votes
0answers
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-...
2
votes
0answers
383 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 ...
2
votes
0answers
155 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 (...
2
votes
0answers
49 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 ...
1
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2answers
208 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 . ...
1
vote
2answers
949 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.,...
1
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2answers
3k 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 ...
1
vote
2answers
6k 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 ...
1
vote
1answer
644 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-...
1
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5answers
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 ...
1
vote
1answer
718 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 ...
1
vote
1answer
860 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? ...
1
vote
1answer
136 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 ...
1
vote
1answer
55 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 ...
1
vote
1answer
519 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 (...
1
vote
1answer
3k 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 (...
1
vote
1answer
1k 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 ...
1
vote
1answer
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?
1
vote
1answer
264 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 ...
1
vote
1answer
1k 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.
1
vote
1answer
94 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 ...
1
vote
1answer
2k views

Unable to upload code on Arduino Nano

My Arduino Nano v3.0 (made by Gravitech US) is behaving in an unexpected manner. Whenever I try to upload a simple Blink program on the board it always give error which is shown below. avrdude: ...
1
vote
1answer
393 views

FTDI Adjustable 3v3/5v only outputs 5v

I bought the below FTDI programmer for use with my 3v3 arduino pro mini. But even when the switch is set to 3v3 it is powering the board with 5v, (hence the IO voltage is also 5v). Note that when the ...
1
vote
1answer
112 views

unable to install usbserial driver for GPRS shield with mac air vs. 10.9

Despite all my efforts and web crawling I can not install the necessary driver to connect my Arduino uno R3 to the GPRS shield from seeedstudio. I have attempted downloading the VCP driver from http://...
1
vote
1answer
451 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 ...
1
vote
0answers
44 views

Use HC05 and FTDI as Slave to Connect to control PC using HC05

Hi i just wanna ask if its possible to do this on HC05. So i can send some keyboard function? and if yes can you tell me how. Thanks