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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How fast can a Schmitt trigger operate? Can I use it for signal conditioning digital serial data?
I would like to know if I could use a Schmitt trigger chip (e.g., 74HCT14, CD40106B and 74AC14) to clean a 12MHz serial digital signal that has gone through a long cable and will pass through multiple ...
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Replace photo diode and phototransistor with an IrDA chip
We have a circuit that communicate optically with a symmetrical circuit (exactly the same circuit at the other side). The circuit is based on a phototransistor SFH 320, a photodiode ZTHI55WA-3-SGM, ...
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Understanding RS422 and choosing drivers
I want to communicate 2 MCUs using RS422. I need to have some isolation, so the driver should have 3.3V side and 5V side, isolated. All I can find in the market are half-duplex drivers, I understand ...
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Serial communication between Arduino and computer cuts out after a while and doesn't reconnect. Why?
I've just kept an experiment running the whole weekend. Arduino controlling heat and humidity and sending data over serial to my computer. I had a python program reading Serial data and populating an ...
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Which PRBS to use?
How do we know which pseudo-random binary sequences (PRBS) to use for a specific use case?
Why is PRBS31 used to test 10G serial transceiver?
Does a list of PRBS with characteristics exist?
Edit: The ...
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Serial port (USB) status, powering off a peripheral device vs. unplugging it?
I asked this question yesterday on Stack Overflow. It may be a hardware question, and it may be a software question. The question is getting very few views in the original forum, so I am reposting ...
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Interfacing RS422 with microcontroller
I want to use RS422 to communicate two MCUs. In a serial protocol, RX from MCU1 goes with TX from MCU2 and viceversa. RS422 is differencial, so I don't really know how to manage this. Where do I ...
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USB-C: Adding Data Transmission to USB PD
Background
Texas Instruments' reference design PMP41013 exhibits bidirectional power transmission (DRP) via USB-C USB PD.
This is principally accomplished through an IC:
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USB-C: USB PD plus Data Transmission: Possible?
Background
Texas Instruments' reference design PMP41013 exhibits the use of bidirectional power transmission (DRP) via USB PD via USB-C.
This is principally accomplished through the use of two ICs:
<...
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Connect to embedded device through serial, possible and how?
I have a device with embedded linux. I need to access the CLI of this device, and found a RS232 port in the motherboard. Can I access CLI with putty, using this RS232 port?
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USB serial connection between Raspberry-pi and Android-phone
I have a Raspberry-pi-3-model-B and an Android phone device.
The connections are as follows:
My raspberry pi is connected to my laptop through USB (this is not the important part).
Also, from the ...
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IC suggestions for WS28xx like functionality for driving transistors
I'm trying to light up string lights that run off of 12v taking up 500mA.
I'm using BC337 NPN transistor to turn individual string lights on/off where all of them are connected through a DC rail of ...
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Tie an enable pin to ground when another pin is high
I am designing a simple circuit with two ICs. IC1 has an enable pin that is internally pulled up with a 10Kohm resistor. To disable IC1 you have to tie this pin to ground.
IC2 has an serial presence ...
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Interfacing a Rpi with absolute encoder using RS-422 (SSI) [closed]
So I am working on a project that requires me reading from an absolute encoder. It uses SSI (RS-422 protocol) and the datasheet is the following: https://www.hohner-elektrotechnik.de/upload/data-sheet-...
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Unable to read data through a MAX485 module
I used arduino code in order to grab RS 485 data from a sensor.
The middleman is a MAX485 module.
However, I was unable to read the data, even with code that works from previous examples.
I hooked up ...
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