All Questions
60
questions
1
vote
0
answers
78
views
FTDI chip not working properly [closed]
I recently purchased an FTDI chip from AliExpress. However, every time I try to use it on Linux via the picocom command, it gives me a lot of unknown characters. I ...
- 21
0
votes
1
answer
168
views
FTDI FT234XD not recognized
I designed a PCB that incorporates FT234XD (Datasheet) USB-UART converter but no matter what I tried, I couldn't get it working. Host computers does not even react let alone give an error so it's ...
- 179
2
votes
1
answer
431
views
How I can capture both UART TXD and RXD signals?
I have the following setup (it's messy but I have no better skills to make it look better):
What I want to do is to pass through some sort of component both the TXD and the urd signals through the U1 ...
2
votes
2
answers
421
views
FTDI FT232RL on custom PCB works only when warm
I've made a simple PCB to interface an RF transceiver with a PC. I can't say it's perfect, I completely disregarded impedances and similar stuff when designing it. However, it seems to work, but only ...
- 73
3
votes
1
answer
464
views
Extract a 6 pin connector pinout with serial protocol
I have an intercom display, Elvox 5721, and I'd like to program it with its software, called "saveprog".
It has a 6 pin programming connector which requires Elvox's cable which is called ...
- 31
1
vote
1
answer
1k
views
FT231XS FTDI USB UART self-powered circuit
I haven't been able to find a full example of a self-powered FT231XS circuit. I was hoping to get feedback on what I have put together from studying the datasheet (any glaring issues?):
3v3_RUN is my ...
- 245
0
votes
1
answer
654
views
UART printing gibberish to the terminal when the STLink Debugger is not connected
Custom board, not an ST development board.
MCU: STM32G031J6M6 SO8 package. UART RX/TX are Pins 1 and 8 respectively.
Pin 8 is also SWDCLK
Pin 7 is SWDIO and not used except for SWD
NRST is Pin 4 and ...
- 141
1
vote
1
answer
961
views
FTDI FT230X Fails to enumerate
I've been trying to get a UART made with an FTDI chip - this one to be specific:
https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT230X.pdf
I've wired it up to be USB bus powered, as per ...
- 133
0
votes
1
answer
374
views
PC recognizes keyboard pcb only as FT232R usb UART but doesnt see atmega32a behind it
I made my own pcb design for mechanical keyboard. When I wanted to test it, both mac and windows system recognize only FTDI ft232rl chip on pcb but not atmega32a behind it that controls whole keyboard....
3
votes
1
answer
1k
views
Raspberry Pi Pico: can read from FTDI dongle but can't write
I have a very weird issue with my USB FTDI uart dongle and Raspberry Pi Pico connection.
The problem is that I can read data from the dongle, but not write to it.
Raspberry Pi Pico operates at 3.3v ...
- 341
0
votes
1
answer
1k
views
How to debug serial communication with RealTerm?
I am trying to debug an LCD device with an RS232 UART interface.
I am using RealTerm on a Windows 10 machine.
The UART interface works properly. I have checked the sending device, using an ...
- 131
1
vote
2
answers
1k
views
Flashing program into microcontroller, usb-ttl, idea behind?
I have limited knowledge on this topic(MCUs, communication protocols, etc.). I back then worked with an STM32 MCU and did some UART(or USART, can't remember) communication between a PC and the MCU. ...
- 2,106
0
votes
1
answer
407
views
Unknown characters in the serial monitor
I am trying to sniff the UART communication line of a commercial BLDC controller. The UART port connects to the Bluetooth module and the Bluetooth module connects to an Android App. I am able to get ...
- 345
0
votes
1
answer
916
views
Connect to a serial output device with 12V power input with 5V USB-TO-UART
I have
DG600F coin acceptor with 12V power input and serial port output
CP2102 usb-uart bridge and FDTI TTL-232RG cabel as an alternative
A PC and Macbook as alternative
I need
to connect DG600F to ...
- 99
0
votes
1
answer
358
views
How do I connect a bno055 chip to a Linux pc via an FTDI UART breakout sensor?
I want to create a C++ (or C) program that reads in a stream of Quaternion data from the bno055 Adafruit chip.
My set-up at the moment has an Ubuntu PC as the controller. Plugged into the PC is a ...
