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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FTDI Unrecognized USB device

I connected my FTDI (FT232RL) to my PC, windows 8.1. And it gave me a notification saying "USB device not recognized". However, I thought that the problem is from the cable that I am using to connect ...
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1answer
13 views

Can we use ESP32 to program ESP32-CAM

Can we just use an ESP32 NodeMCU for example to program an ESP32-CAM? I saw a lot of people programming ESP32-CAM using an arduino Uno, can we do the same for ESP32 NodeMCU? Of course, in the "Arduino ...
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1answer
20 views

ESP-12 + FTDi + platformio

I have 2 questions. Why we have to put our functions before void loop and void setup into VScode+platformio? I switched from arduino IDE to VScode+platformio today, when I upload the sketch with ...
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1answer
198 views

MacOS 10.15.1 Catalina CU port always busy, and TTY port not selectable

I am trying to use an FTDI breakout board to connect to my custom made Arduino compatible board. I am using a new 16 inch macbook pro with USB-c ports, so I am using a dongle, in case that could be ...
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1answer
430 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 (...
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1answer
21 views

About boot-loader ic used in DEV boards [duplicate]

I have problem with Arduino MEGA, Arduino Deu etc... Those Development board are having separate MCU except main MCU... Why? For what purpose are they used for? as FTDI or bootloader chip or ...
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1answer
66 views

Possible to put the ESP8266 in bootloader mode without a FTDI?

I am trying to upload something directly to the ESP8266 using the ESP8266 IDE. I have configured the ESP8266 to communicate at 9600 using UART_DEF and I have set the ESP8266 IDE at 9600. I see some ...
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1answer
234 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 ...
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1answer
286 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 ...
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66 views

FTDI 5 V cable: do i need a logic level shifter 3->5 V from ESP8266 TX pin to FTDI RX pin?

I have a 5V FTDI cable and i assume that all the pins are outputting 5 V? I am new to using the ESP8266 (ESP-12F) and i need to connect the FTDI cable to program the Wi-Fi module but the latter is not ...
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1answer
179 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-...
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86 views

Why can you use FTDI with an ATMega328 with no external crystal?

I have read that serial (UART) communications are unreliable or will not work when using the 8MHz internal oscillator as the clock source. For example here are two results from a quick google. http:/...
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2k 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?
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1answer
186 views

Using Arduino UNO for uploading a sketch to the Espresso Lite v2

I am trying to use my Arduino UNO as a programming interface to load sketches on the Espresso Lite v2. I followed the instructions to setup the Wifi network (long press gpio13 and the AP thing), but ...
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181 views

Flashing firmware in ft232rl

I am new with arduino and hardwares at all and I am having some problems in a project where I want to assemble the head tracker device from this project https://git.iem.at/DIY/MrHeadTracker/wikis/mrht-...
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1answer
175 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 ...
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1answer
266 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 ...
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2answers
1k views

Error while uploading code with Arduino on breadboard using FTDI 232

My circuit is as seen and I hope there is no error with the wiring. I'm using an ATmega328P. The error suggests that the programmer is not responding and ten attempts issuing not in sync code. There ...
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293 views

Use mobile charger as power suppy to ESP8266 wifi module with 3.3v converter

I am using this FTDI connector to power and flash code inside ESP8266 module. Now I am done with adding code to ESP8266, now I just want to power it. but when I connect the mobile charger(5v output) ...
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1answer
225 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 ...
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1answer
796 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.
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1answer
2k views

Should BLK and GRN of Pro Mini be connected to upload sketch?

Is the following connector is valid for Arduino Pro Mini (no BLK and GRN)? I was told to make a certain Arduino application, and got some Arduino Pro Mini (ATmeag328 3.3V 8 MHz) with the connector ...
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2answers
414 views

Programming ATmega328p on external board with FT232R

I am making a 100W AC-DC linear power supply, for which I want to show output Voltage and Output current on LCD display. I already used shunt resistor and voltage resistor to bring both values to ...
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1answer
3k views

Unable to load programs onto Arduino Pro Mini Using FTDI?

I'm pretty new to this, so forgive me if I get some things wrong. I am working with a piece of equipment that uses an Arduino Pro Mini. When I first got to it, I realized that some of the code was ...
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5answers
1k views

ESP8266, prints ready at start but no response to AT command

I have been using ESP8266 wifi module with Arduino as FTDI. The power for ESP8266 comes from LM317 5V - 3.3v regulated supply(I am sure 5V is powerful enough to give upto 1A of current). The RX of ...
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1answer
44k 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 ...
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1answer
1k 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, ...
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1answer
6k views

FTDI to HM-10(CC2541) serial command no response [closed]

I'm trying to communicate with my HM-10 module though a FTDI converter on my mac. I have installed the FTDI driver and disabled the mac's default FTDI driver. This is my arduino IDE setup: board: I ...
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0answers
116 views

How to verify that my FTDI bridge for ESP8266 is communicating with my PC?

As I couldn't make my ESP8266 be programmed using an Arduino board as FTDI bridge, I decided to buy an FTDI232 board to upload code directly to ESP module via USB. However, when new I connected it to ...
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2k views

Arduino IDE Can't find the USB Port

I'm on a Mac, running 10.11.6 and Arduino IDE 1.8.1. I've been prototyping some projects using an Adafruit Trinket. I was not having any problems, until at some point my Mac stopped recognizing the ...
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3answers
2k 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). ...
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4answers
3k 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 ...
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2answers
164 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 ...
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1answer
12k 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 ...
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1answer
87 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 ...
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1answer
438 views

Chinese CH340 Arduino Uno - Burning stand allone chip

I followed regular tutorial and I was able to burn boot-loader on my standalone ATM328 chip, but because I'm using this CH340 UNO and example is with regular UNO, I can't just remove the chip from ...
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1answer
69 views

Arduino fast start not working properly

I have an Arduino 328p (custom) and I can program it using a FTDI header. However, when I power it from the FTDI using only the RAW (5V) and GND, it only executes simple programs (example blink). If ...
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1answer
5k views

How do I reset an ESP8266 with an FTDI and no reset button?

How do I reset an ESP8266 with an FTDI and no reset button? I assume that it has something to do with the reset pin on the ESP8266, but I cannot find a step-by-step usage of the pin online.
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3answers
5k 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 ...
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2answers
1k views

Customize FTDI driver for custom PID and VID

I have changed PID and VID of my FTDI board for arduino program because i wanted to rename the com port name. The ic is FT232R a USB to serial UART interface IC. I have store new vid and pid to ...
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1answer
337 views

Can Arduino be used as an FDTI Programmer?

I would like to program my ESP 8266 WiFi module. But I don't have an FDTI right now is there any way to use Arduino Uno as FDTI Programmer then use ESP without it.
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0answers
132 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....
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1answer
593 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 ...
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2answers
905 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 ...
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1answer
344 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 ...
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3answers
20k 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 ...
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1answer
950 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: ...
3
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1answer
75 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, ...
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2answers
564 views

FTDI stdk 500k not responding

I programming atmega328P bootloaded with an FTDI. Some tutorial mentions that you have to connect the DTR to the reset pin: http://electronics-diy.com/...
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1answer
407 views

Upload Code on Arduino Mega using FTDI Cable

I would like to upload my code to the Arduino Mega 2560. The USB is fried hence I have to use the FTDI I've a FTDI cable, but it has only 4 wires, Vcc,GND,TX,RX How do you upload, as the ATmega is ...