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Questions tagged [flow-control]

Flow control is the process of managing the rate of data transmission between two nodes

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1answer
48 views

Implementing UART flow control in microcontroller

I'm communicating data from my microcontroller (Teensy) to my Bluetooth module (nRFx) which is also a microcontroller that I can program. I use UART to communicate the data I want to send over ...
-3
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2answers
110 views

Question About Current Flow Direction [closed]

I've got a question that has been perplexing me for a while. (Correct me anytime) (Please do not give me any textbook definitions.) Starting with the name of the question itself, I believe current ...
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1answer
91 views

Solution for solenoid valve with can give flow without power? or any other alternative way of it?

I want to use a Solenoid valve for my project, the valve will be used for water in which is facing one problem if there is no power, how can we get water from the valve, I don't want to add any kind ...
5
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8answers
4k views

At what UART baud rate is hardware flow control required?

At low baud rate such as 9600bps, I do not think hardware flow control CTS/RTS is necessary. I believe at higher baud rates, CTS/RTS will be necessary. What is this baud rate? Can one still do without ...
0
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2answers
384 views

Using Python to control Brooks MFC Power Supply

Is it possible to use Python to control the Brooks 0152/0154 power supply that powers and controls Brooks MFC units? The manual mentions the pin outs of the RS-232 ...
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2answers
298 views

VHDL using flow control vs minimization

I am currently designing a mips microcontroller for a class. I am now working on the control unit for the microprocessor and I am wondering if I should use minimization vs using flow control (if, case)...
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2answers
354 views

Is hardware handshaking not available when using a USB to RS232 adapter?

As far as I understood there is two type of hand shaking. Hardware and software. For hardware handshaking other pins of RS232 connectors used. Does that mean of we us a USB converter we cannot ...
2
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3answers
1k views

Is hardware flow control necessary?

I want to communicate using a serial cable to a device that uses RTS/CTS flow control and 115200 baud speed. I want to use this Sparkfun TTL to rs232 adapter, but it has no RTS or CTS pins. What can I ...
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1answer
2k views

does Tera Term handle software flow control internally? [closed]

The title may be a little confusing but i'll explain the situation: We have the following situation: ARM MCU -> UART -> FTDI chip -> USB -> PC -> Tera Term terminal The FTDI chip has built-in hard- ...
1
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4answers
279 views

Dosage control through flow meter and valve

I am trying to make a drinks machine that when a button is pressed, a predetermined amount of liquid (not determined by time) is allowed through a solenoid or other valve, and measured by a flow meter....
2
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1answer
2k views

ATMEGA UART transmition with flow control

Background I'm using an ATmega328P to send data to another device at a high baud rate (230400). The device I'm sending data to supports flow control and raises the RTS signal when it needs to hold ...
2
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1answer
217 views

Electronic inline liquid flow control?

How would I go about electronically limiting the flow of a liquid (such as water) through a garden hose (or similar)? I'm building an automated system for refilling a pond since I'm sick of doing so ...
1
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1answer
1k views

Can I use only 4 wires of an 8 wire serial port with hardware flow control?

I'm looking to connect a Telit UE910 cellular module to a microcontroller. The module uses an 8 wire RS232 style serial connection for the main serial (USIF0). I'd rather not tie up 8 IO pins, but I ...
1
vote
1answer
146 views

Is an arrangement of solenoid valves the only way to achieve fluid redirection?

Not sure if this fits in the charter of this site. If not, pointer to another stack-exchange site would be great. For a rain-water harvesting system that I am designing for my house, I need to be ...
3
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2answers
1k views

Serial Port (DB9) signals

Just about every time I use a serial port for anything, I only use 3 pins of the usual 9-pin connector (DB9): Tx, Rx, and GND. And when I wire up my microcontroller projects to these ports, I just ...
4
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2answers
2k views

Hardware flow-control (CTS/RTS)

My MCU cannot wake up from UART data, so I wanted it to wake up from the RTS line, but Im having problems understanding the concept. When Im sending data from my MCU to the peripheral, I see the ...
2
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2answers
4k views

Throttling data from USB serial connection on STM32 microcontroller (flow control)

I've just integrated the code from ST's STM32 USB Virtual Com Port example (stm32_usb-fs-device_lib.zip from here) with my project in order to get the STM32 to appear as a Virtual Serial Port. ...
6
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2answers
13k views

What is RTS and CTS flow control?

I recently ordered two Bluetooth dongles for my Arduinos so I can have them communicate over long range. The dongles that I ordered have pin labeled CTS-I and a pin labeled RTS-0. I did a little bit ...