All Questions
Tagged with transceiver microcontroller
23
questions
0
votes
1
answer
249
views
Using transceiver between DALI and microcontroller
Does anyone have experience using a transceiver between a microcontroller and DALI bus? Please see the attached wiring diagram. I am not sure what is wrong with the circuit, but when I measure the ...
- 13
7
votes
3
answers
2k
views
Must RS-232 devices use the same logic level?
I want to interface a microcontroller with the RS-232 COM port of my PC.
My PC uses a 75232G IC, which uses +/-12V logic levels as per some multimeter tests.
Currently I'm planning to use the ...
- 490
0
votes
0
answers
412
views
CAN bus termination resistor
I'm trying to design a CAN device where the user can select which device is the beginning/end device and activate the 120 ohm resistor accordingly. I've seen some examples using a switch, but I'm ...
- 201
0
votes
0
answers
58
views
RFM69HCW Digital IO connection setup
I'm working to setup an RFM69HCW transceiver with an ARM microcontroller. I've read over the datasheet for the RFM69HCW and I see that DIO0 is the interrupt signal, so I've broken that one out, but ...
- 201
0
votes
1
answer
145
views
AX5043 RF XCVR, problem making the automatic frequency control work in GMSK
I am working with the AX5043 RF transceiver from OnSemi.
I am using GMSK, and I am unable to make the automatic frequency control (AFC) work properly.
I am using a bitrate of 2400 bps. To be sure to ...
- 1
0
votes
1
answer
168
views
Using EEPROM for transceiver data communication in Tx and Rx mode?
I am planning to use EEPROM (ST-M95640-DF) in between Transceiver IC (ST-S2LP) and the MCU (STM32L152RE). I would put program commands in a read-only section of the EEPROM to be accessed easily.
Now ...
- 48
0
votes
0
answers
638
views
Normal Mode of CAN Controller in STM32L476 Nucleo Board is Not Working
I am using STM32L476RG Nucleo board which contains only one CAN controller(bx_CAN1) and SN65HVD233 as a CAN Transceiver. I could able to test the CAN controller by using "LOOPBACK Mode".
...
0
votes
1
answer
184
views
LIN transceiver instability problem
I'm using the MCP2021A for my project. In this component, there is a voltage regulator but I have no use for it. They usually power microcontroller like the PIC18F2455 but I'm using a Raspberry Pi ...
- 3
1
vote
2
answers
11k
views
CAN transceiver interconnection to MCU (Tx, Rx and propagation delay)
I am working on a CAN transceiver and its connection to a microcontroller (hardware perspective only.)
Referring this appnote - What is CAN?
My questions:
In the above image, I see the CAN ...
user220456
3
votes
1
answer
4k
views
Simple CAN bus design, communication issues
I am trying to get some simple communication between two boards that I've designed with an ATmega328P microcontroller and MCP2515/MCP2551 combination.
The design is as follows:
I have both ends ...
- 31
0
votes
1
answer
326
views
Fastest working Wireless communication method between two devices
I attempted to ask this question on the network engineering forum but the mods there think superuser.com is a better place for it, but when I posted there, they think here is the best place for this ...
user152879
0
votes
4
answers
315
views
Multilateration with TOA using lowcost transceivers (like NRF24L01) and uCs
My problem is the following, I would like to localize an object (main node) via multilateration using a wireless sensor network of 4 nodes with less than half a meter accuracy. The equations are ...
- 1
0
votes
1
answer
137
views
Sensor communicating with a base station 3.5km away for a rate of 100bytes every 10 sec
I have a small project that I want to do,
I want to deploy a sensor that is capable of measuring the wind speed and direction from a crop field to my house - distance of about 3.5km.
There is no line-...
- 1
5
votes
2
answers
8k
views
Multiplexing a CAN bus
I want to use a small 8 bit microcontroller which has only a single CAN rx/tx, i.e. Atmel 32c1, but in my application I need to be able to send and receive requests from two CAN buses.
I have read ...
- 195
0
votes
1
answer
158
views
Interesting observation on strange behaviour using motors and IR transceiver
I am working on a robot with with the following specs:
Two coin type vibration motors rated at 3V for locomotion
Motors triggered using two darlington transistors (sample schematic shown below)
...
- 1,495