All Questions
11
questions
0
votes
3
answers
44
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
3
answers
890
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
0
votes
0
answers
494
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
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
vote
2
answers
678
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
240
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 ...
2
votes
1
answer
565
views
PL-2303TA TTL UART data corruption
For a lot of projects, I use a fairly common USB to serial dongle called "Prolific USB to Serial" which uses a PL-2303 TA chip to allow USB to 3V TTL serial (i.e. this kind on Alibaba).
I actually ...
- 505
-2
votes
1
answer
10k
views
Differences in the rs232 series
Another question on chips. I want to program my esp8266 chip, and I need to know what to use. I've ordered a rs232rl 3.3/5v selectable board, but I want to know if this will work with an arduino, ...
- 264
-2
votes
1
answer
227
views
Connect Schneider EM6400 to ESP8266 and call REST API [closed]
I have a Schneider EM6400 meter whose data I need to send to a web-service.
I dont know much about electronics so here it is-
How do I do it? My idea is to use an ESP8266.
But from what I know, the ...
- 107
0
votes
2
answers
16k
views
UART voltage on RX pin?
I bought an uart ttl to usb 2.0 adapter on ebay which I tried out yesterday with no luck. I measured all the pins and found to my surprise that the RX pin actually carries 3.3V. This can't be right as ...
- 135
0
votes
2
answers
4k
views
Connection to a USB to TTL dongle
I have a USB dongle which converts TTL UART signal from a microcontroller to USB level signal using level converter. I has six pins Vcc, GND, RTS, CTS, TXD, RXD. My microcontroller has two pins for ...
- 1,495