All Questions
36
questions
0
votes
3
answers
43
views
Use digital sensor with USB to serial TTL converter?
I have a sensor (HC2A-S3A), which provides analog and digital output signals. The digital interface is UART (19200 baud, protocol RoASCII). Can I use a USB to Serial TTL Converter (chipset: FTDI ...
- 101
0
votes
1
answer
28
views
Serial conection HMT310
How to connect the HMT310 via serial port? When I connect it and open PuTTY and put "?" for it to show me the data, it pulls all "U"s. I already checked that the baudrate and other ...
- 21
0
votes
3
answers
880
views
ESP32 custom hardware connection to USB-UART converter
I'm designing custom hardware based on the ESP32. I'm using Adafruit's ESP32 Huzzah as a reference. In the Adafruit design, an onboard CP2104 USB-to-UART chip is used, but I will be programming the ...
- 13
1
vote
1
answer
207
views
Raw mode control of USB device via TTL
An industrial device can be connected to a host computer via a standard USB port.
The USB port on the device itself is indeed a CH340 USB-to-TTL converter, which allows to control the device through a ...
- 1,025
0
votes
0
answers
487
views
FT232RL Chip is not working (USB to TTL)
I used an FT232RL chip to make a USB to TTL converter using the schematic below.
Although I can send a message and the TX LED is lightining up, I cannot receive any messages.
Can anyone see a problem ...
- 19
2
votes
2
answers
2k
views
SIM800L V2 not responding to AT Commands from Putty over USB-To-TTL PL2303
My SIM800L V2 RoHS (the blue one) although it connects to the network and registers just fine, it's not responding to AT commands sent over the PL2303 (USB-STC-ISP) USB-To-TTL Adapter through which it'...
- 21
0
votes
1
answer
168
views
TTL to USB (CP2102)(Driving 5V USB)
I have a USB to TTL Adapter. The Adapter uses the CP2102.
I noticed that the CP2102 seems to derive it's power from the USB V+. My problem is that I need to supply power to the USB. The reason is that ...
0
votes
1
answer
48
views
Is there an IC that works like the PL2303 for TTL TO USB? [closed]
Is there an IC that works like the PL2303 for TTL TO USB and can connect to android device with driver?
I have search a lot but I did not find such a thing.
1
vote
0
answers
150
views
Connecting RS232 GPS Board to Raspberry Pi
I purchased a NEO-6M GPS board to connect to my Raspberry Pi, and when I bought it I didn't realize that it was meant for RS-232 communication instead of UART TTL (which I believe is what the ...
- 121
-1
votes
1
answer
178
views
Are TTL to USB converters bi-directional? [closed]
I'm trying to convert 5V TTL signals into USB signals that a PC can read. However, most converters that I'm able to find are defined as USB-TTL converters. Can I convert TTL signals to USB signals ...
- 19
0
votes
2
answers
314
views
Using USB-RS232 adaptor for USB-TTL connection? [closed]
Seems there are plenty of questions relating going in the opposite direction, but I couldn't find anything that really told me if I could do this..
I have one of these https://uk.rs-online.com/web/p/...
- 3
1
vote
1
answer
408
views
Is voltage selector on 5v or 3.3v?
I bought this USB to TTL converter and it came with the option to switch between 5v and 3.3v. I want to use it at 3.3v, but I'm not sure where the (grounder?) should be placed? Thanks, see image below....
- 125
0
votes
2
answers
64
views
Connecting flowmeter via USB to a computer
I have a Swiss flowmeter sf800 which generates 5v pulses if liquid passes through it. I want to connect it to a computer and count pulses via USB. I realize that I need some kind of converter to do so....
1
vote
2
answers
666
views
Can I use a cheap logic analyzer as a USB to UART TTL cable?
I need a USB to UART (TTL) cable for connecting to an onboard JTAG connector. Since I already own a Sigrok logic analyzer, I figure it might function soley as a USB to UART cable. Is this possible?
...
- 2,397
-1
votes
2
answers
239
views
How to connect STM32F103C8t6 to computer when using USART? [closed]
I'm an electrical engineering student and I've just started to learn microcontrollers.I want to know is there any way to connect my board(I uploaded its picture)to computer when I'm using USART ...
