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Newest 'communication' Questions - Arduino Stack Exchange
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Learn more about TeamsQuestions tagged [communication]
for questions about communication between multiple devices.
447 questions
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0
votes
0
answers
32
views
SIM800A and Arduino Uno communication [closed]
I am having this issue with my SIM800A,I have tried to interface it with the Arduino Uno R3 board I am using,I use Digital Pins 7 and 8 of the Arduino Uno to connect to 5VT (TX) and 5VR (TR) of the ...
0
votes
1
answer
57
views
Arduino HardwareSerial flow control with handshake XON/XOFF
I am sending large texts from PC to Arduino over Serial and I cannot simply copy-paste it, as Arduino is not fast enough to process it on the fly.
I need some flow control (probabely XON/XOFF) so ...
- 1,466
-1
votes
1
answer
164
views
How many FPS I can theoretically get for streaming frame from OV7670 with this setup?
Setup:
OV7670 -> STM32F103... --USART--> ESP01 --UDP--> Gateway --> Internet --> Server
I want to achieve a real-time streaming experience.
Here is my analysis:
According to the ...
-1
votes
1
answer
52
views
Communication protocol and hardware for 50-100 feet of communication between 2-3 arduino megas
Newish person here. Have done a few smaller projects, looking at something a bit bigger and need direction on where to start.
I'm building a guitar effects pedal board that I want to be able to ...
0
votes
0
answers
35
views
Need Help Communicating with Arduino Leonardo Using Custom Bootloader
I have an Arduino Leonardo that has been flashed with a custom bootloader, and it currently has a sketch on it that I cannot replace or modify because doing so would brick the board. The board works ...
-1
votes
1
answer
103
views
Sending data through LoRa with ESP32-E
I have an Esp32-E from Firebeetle and LoRa from SBComponents. On both of these devices there are RX and TX pins. I believe that LoRa pins are just an extension of pins found on the Firebeetle.
My ...
1
vote
0
answers
288
views
Is it possible to create a RS485 bridge over Wifi using 2 ESP07's
I've got a solar energy inverter that has a RS485 port for connecting a meter. You can place a separate energy meter in your distribution panel at home, that measures things like power usage, purchase ...
2
votes
1
answer
162
views
Which Bluetooth Module can I use with Arduino Micro?
I am building a HID (mouse) using Arduino Micro. I want the mouse to communicate with the PC wirelessly. I am wondering which Bluetooth module works for me either HC-05,06 or any other?
1
vote
1
answer
656
views
Communication between two ESP32, USART vs RS232 with MAX3232
I have two ESP32 that are communicating via USART (TTL) on the Serial2.
The TX2 pin of ESP_Alice is connected with the RX2 pin of ESP_bob.
The RX2 pin of ESP_Alice is connected with the TX2 pin of ...
0
votes
1
answer
111
views
UCSR0B equivalent for ESP2866
I'm trying to convert an Arduino Uno program for use with the ESP2866. I've converted most of the program successfully, but there are a few lines I can't seem to figure out. For example,
UCSR0B = ...
2
votes
2
answers
1k
views
ESP32 SPI Mutual Communication
I have two ESP32 cards. I want to set one of these cards as Master and the other as Slave and communicate via SPI. I have done this before on Arduino Uno, but I cannot do this on ESP32.
Below are my ...
1
vote
0
answers
165
views
Bluetooth (HC_06) on the Attiny85
I'm trying to make a hc_06 Bluetooth controller work on the attiny85-20pu.
In the end, I want to control a stepper motor through Bluetooth.
But for now to keep it simple I'm searching for a working ...
2
votes
1
answer
407
views
433MHz RF run away TX burst with ATTiny85 IC
I have recently created a sketch for an ATTiny85.
My project consists of:
1x ATTiny85 IC only
1x 433MHz RF module => using data pin 2
2x input digital pins => using pin 3 and pin 4
Running at ...
1
vote
0
answers
429
views
Arduino (Mega 2560) Ethernet Shield 2 (W5500) - Can't connect
I'm having issues connecting to my arduino mega via ethernet. Its a very basic start to the code just to get the network side up and running, them im going to add in what I actually want it to do. For ...
1
vote
0
answers
519
views
How to use multiple PN532 over i2c bus(es) and SPI?
I am working on a project that involves 3 PN532_modules to an ESP32, which sends the Tag_ID over BLE.
Plan A was to use One module on i2c_1, second on I2C_2 and third over SPI.
The SPI one works as ...
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