Questions tagged [communication]
for questions about communication between multiple devices.
448 questions
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Receiving incorrect Data through CANbus MCP2515, Nano to Nano - Data points 3, 5, and 7 only go to 7 bits instead of 8?
We are trying to get two Nanos to communicate via CANbus, using MCP2515 shields. I have decided to use the autowp/arduino-mcp2515 CAN interface library for the code. I've based my code off their ...
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ESP-NOW works with broadcast but doesn't work with unicast
I'm using the Arduino IDE to program ESP8266 to communicate with each other using ESP-NOW.
If I call esp_now_send with the broadcast MAC address (FF:FF:FF:FF:FF:FF), the message is sent and the slave ...
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PS4 not recognizing Leonardo as a controller
I have created a modified AVR core based on ArduinoXInput's custom core but for PlayStation instead, to emulate a DS4 controller on HID-capable boards like the Leonardo. Using USBTreeView and online ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 = ...
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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 ...
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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 ...
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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 ...
- 141
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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 ...
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