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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Why is the Gb/s usually matched with the GHz for SDI?
My knowledge in electronics and RF(because high speed data) is very surface level but attempting my best.
I'm attempting to do an application which utilizes 3G SDI, but am not understanding why there ...
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RS485 Communication Issue: Garbage Values on OLED Display
Hello Stack Exchange community,
I am currently working on a project involving two Arduino Nano boards connected via RS485 communication using MAX485 chips. I have set up the connections between the ...
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Microchip Studio, porting attiny85 usi uart code to attiny84 not working
Thanks in advance for anyone who can help me with this. So I got a copy of some code that works pretty well just using the USI as a UART for the attiny85. At the default 8 MHz internal oscillator, ...
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What is expected error rate and drop rate on ST-Link VCP USART?
What is expected error rate and drop rate on ST-Link VCP USART?
On the Nucleo STM32F446RE, my code reads the USART VCP (of ST-Link) and echoes it back. It uses DMA, FreeRTOS, and FreeRTOS queues (...
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MAX3362 RS485 IC connection with ESP32
I am using MAX3362 RS485 serial data transfer IC with ESP32. Marked pins 1, 2 and 3 are connected to GPIOs of ESP32. Do I need to add any additional pull-up resistors or some termination resistors or ...
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DTR pin in the FT232RL working confusion
I have seen one of the schematics of the Arduino Nano where I have the DTR pin of the FT232RL connected to the capacitor and then to the reset of the Arduino. As far as I have understood, when the USB ...
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How were standard serial port baud rates chosen?
How were standard serial port baud rates chosen? 1200, 9600, 115200, aren't the numbers we'd expect (powers of 2 or 10), but don't seem random either.
Wikipedia states
Many of these standard modem ...
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Strange serial comms where data sent has missing characters using Arduino UART
I have an Arduino Uno that sends data to the Raspberry Pi over UART.
But a lot of the time, I am finding that some of the data is missing.
For example, it supposed to send:
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How should I debug this ARM Cortex M STM32 UART write?
I have a STM32F446RE on a Nucleo F446RE, and I'm trying to learn how to program the UART to write over the Virtual COM Port (connected to USART2).
I'm able to download someone else's code, modify it ...
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How can I find which serial port is connected to Nucleo board via ST-LINK?
I have a Nucleo board connected via USB to ST-Link running on Ubuntu Linux. ST-Link works well in that it can program the board. I would like to use the built in virtual serial port, but am not sure ...
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USB Type-C pins' designation
I am trying to design a USB to Serial converter featuring CH340C IC and I'm a bit concerned whether I have correctly hooked up the SBU, DP/DN, and Shell pins. Is there any chance that I did everything ...
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Difference between DM13A and TLC59281 Constant Current LED sink Drivers
I was using DM13A driver in my old PCB designs and it was working perfectly using Arduino Mega. Due to parts shortage at JLCPCB I had to use TLC59281 driver for my new PCB. But TLC59281 is not working ...
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How to set up RS232 UART in Proteus?
I am having difficulties sending the correct message to the hyper terminal from ATmega32 micro controller. For some reason, the MAX232 chip is giving undesirable voltage levels. I want it to give ±15 ...
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USB Port Design with ESD/Overcurrent Protection
I am working on a small project in which I use a CH340 to communicate with an MCU, but during prototyping I probably should have a way to protect the controlling computer's USB port from shorts. I ...
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Placement of USB/UART converter for robustness and noise immunity: long USB cable or long EIA-422 cable
Consider the very common case of communication between the UART peripheral of a microcontroller and a PC, using a USB-UART converter such as are available from FTDI and others[1].
If there's a non-...
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