All Questions
Tagged with uart communication
71
questions
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38
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Fingerprint sensor module communication (FPM383 R503)
I'm working on a fingerprint sensor that is known as FPM383. It is much like the well known R503 sensor. Their datasheet and serial communication manual are almost identical.
I was trying to control ...
- 291
1
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0
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30
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Making wired USB MIDI controller transmit data over Bluetooth
I want to make a USB MIDI controller more practical by passing the data via bluetooth. I'm don't have that much experience with electronics engineering, so I'm coming here ask for advice.
Namely it is ...
- 175
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votes
1
answer
94
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STM32 - Implementing UART to USB convertor
Considering STM32 Nucleo Boards, implementing a communication by serial port with a computer is a matter of using UART on the Nucleo Board and connecting it to the computer via USB, where you emulate ...
0
votes
2
answers
359
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STM32 UART without HAL library
I am writing register level code for STM32F4 & in my code there is a timer for calculation of the frequency of an input signal.
I am trying to implement a UART for sending calculated data to ...
- 27
2
votes
1
answer
575
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STM32 - HAL_UART_Receive first byte is always zero
I am implementing communication between Nucleo-F072RB board and an evaluation board with TI BQ75614 BMS IC.
I have succeeded to communicate with the IC using 1 Mbps UART interface, successfully ...
- 41
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34
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How can I make a basic BlueTooth communication between a cellphone and MXCHIP EMC3080-P module?
I'm trying to use the EMC3080-P module from MXCHIP, because it's used in some applications from ST, the company where I had the microcontroller I'm using (for example, the B-U585I-IOT02A discovery kit ...
1
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0
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157
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PIC16F UART Receives only the first byte
I'm currently working on a PIC16F18855, I'm trying to set up the communication part.
My setup is as follows:
A PCB connected to my computer via a TTL232 cable.
The PIC16F18855 is clocked at 32Mhz, the ...
- 41
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97
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Trouble to receive data from RS485 encoder in TM4C1294
I am trying to read data from an absolute RS485 encoder Single turn "eCoder-20S". The controller is EK-TM4C1294 launchpad. I am using SN75716AP for converting RS485 to UART conversion.
The ...
1
vote
2
answers
442
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UART vs Debug UART vs Auxiliary UART Interface
I am using Quectel EC200U in my design. This module contains three UART interfaces. The description is given below.
The module provides three UART interfaces:
The 1) main UART interface, the 2) debug ...
- 2,593
0
votes
2
answers
197
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Serial reading returns undefined characters
I am trying to communicate using LoRa modules with an ESP32. I can easly communicate with two LoRa modules, but if I want to learn the sender address, the Arduino returns an undefined character. I am ...
- 1,139
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1
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523
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How to configure CDC (VPC) on the STM32 Nucleo F401RE board?
I am trying to establish communication between my host machine (running Ubuntu 22.04) and the STM32 Nucleo F401RE board. I only need to transmit data from the board to the host computer (only single ...
- 83
0
votes
1
answer
48
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Is it possible to use 1 UART communication in 2 different places?
I will design an IrDA circuit for Arduino Mini. Arduino Mini will connect to PC and transfer data to other PCB with IrDA circuit. On the other PCB there is an IrDA circuit designed with STM32L0 chip ...
- 673
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2
answers
64
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What is the purpose of the NSBC114EDP6 IC on the TX pin? [closed]
I am trying to debug the circuit above. The transmitter pin from the MCU is connected to the NSBC114EDP6's (SMD marking code 7A) input pin 2, and the output from pin 3 is connected to another MCU ...
- 127
1
vote
3
answers
641
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I2C high speed mode
I am working on a project which requires communication from a central controller and multiple peripheral sensors. Each sensor can push out data at a rate of 4-5KB/s(kilobytes/sec). There are 25-30 of ...
- 95
0
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2
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1k
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How can I handle Overrun and Framing errors in UART transmissions on PIC16 devices?
I am transmitting and receiving data over UART between two PIC16 devices using interrupts, but at random times, one of them seems to block its receiver and it stays stuck in that position permanently. ...
- 65