Questions tagged [serial]
In serial communication data is transmitted as a sequence in time. Main advantage: much less wires needed. Main disadvantage: Higher bandwidth for the same throughput.
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Gibberish data with custom Atmega 2560 UARTs
So I have an issue with the UART configuration of my customized uC based on the ATmega2560.
To establish serial communication, I'm using the FT232RL chip and the Arduino IDE.
I don't have any issues ...
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Custom Arduino MEGA crashes ONLY on a specific command when plugging UART-USB converter before main power. Phantom power leaking through UARTs pins
Disclaimer
Based on multiple attempts to find the cause of the problem, I have determined that I might be facing a hardware issue rather than a programmatic failure, hence why I am posting this here ...
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Is there a canonical way to signal WS2811/2812 LED strip?
The WS2811/2812 protocol is well-defined and hence the chip now seems to dominate addressable strip lighting products.
People have managed to use SPI and UART to control it, and someone even did it ...
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Oscilloscope or Logic Analyzer for Studying Serial Communication? [closed]
I have been programming microcontrollers with serial interfaces (the usual: I2C, SPI and UART) mostly for learning purposes and would like to see the signals, if they conform to the timing diagrams in ...
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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 ...
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Prolific PL2303 knock-off USB-TTL adapter without timing crystal
I recently got this bare-bones USB-TTL adapter which unsurprisingly contains a knock-off Prolific chip but on top of that it is entirely without the crystal oscillator. It seems to be missing some ...
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How do I convert a structure's data to the character data type and fill it in an array for UART transmission and reception?
I am trying to solve the following problem where I am supposed to send the data of a structure from one micro-controller to another using UART.
The problem statement is as follows:
Write a sample ...
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What do the different LED lights indicate on a DB-9 tester and what can I infer from them? [closed]
I have a machine with an RS-232 port. When I power ON the machine and connect the DB-9 tester all the machine's troubleshooting guide requires is to check if the RTS light is green. I see there are ...
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SCI-TX doesnt work properly (Serial communication)
Part Number: TMS320F280025C,
Other Parts Discussed in Thread: LAUNCHXL-F280025C, C2000WARE,
I have a simulink model for a power electronics project and i want to see detailed data using SCI-TX port in ...
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WiFi connectivity ceases on ESP32 when MAX3232 is powered on the same board
Since my issue could be lying anywhere, I will explain my design details a bit.
I have a 4-layer PCB. The stackup is Top-GND-PWR-Bottom.
...
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UART and RS422 Interfacing
Do I have to connect the Logic side of an RS422 transceiver to a UART on my STM32, or can I connect the logic side to any GPIO on the STM32?
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What is Multiprocessor Communication in 8051, and how to use it?
In 8051, one of the bit, SM2 or the D5 or SCON.5, is about "Used for Multiprocessor Communication." I am not clear about it. I watched quite many tutorials or explanations about 8051 on ...
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What causes a digital signal to look like this?
I’m reverse engineering an existing microprocessor to microprocessor serial signal. When I put my scope on the target device I see the clock and data lines just fine on my scope when I connect it to ...
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STM32 Help receiving serial data sent from python's pyserial
I need some help communicating between python's pyserial and an STM32f030R8 microcontroller. This is for a 2 DOF robot which has a python base GUI. The GUI will send, via serial communication, the ...
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Why are there two wires connected to each terminal of the RS485 port in energy meters
I want to connect the energy meters of our clients to a gateway so that the gateway can communicate with the meters using Modbus. I have visited several electrical rooms that have gateways installed ...
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