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Questions - lcd

LCD ESP8266WiFi access point Send Text

hello i am trying to send data to lcd screen ,but they arrive as GET/ DATO /HTTP 1.1 I ONLY NEED TO ARRIVE DATA AND DELETE (GET/ /HTTP 1.1) I am used to the esp8266 by wifi in access point mode the pr...
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VLAD D ELECTRONICS

esp8266

nodemcu

arduino-esp8266

lcd

Votes: 0

Answers: 1

Latest Answer

req.replace(" HTTP/1.1", ""); // Para quitar HTTP/1.1 req.replace("GET /", ""); // Para quitar GET /
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VLAD D ELECTRONICS

STM32 with LCD 2004 + I2C, can't communicate

I am using a STM32F030F4P6 MCU and a LCD 2004 with PCF8574T I2C display driver. I have tried the library from this tutorial: https://controllerstech.com/interface-lcd-16x2-with-stm32-without-i2c/. I h...
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Wolfiwolf

stm32

i2c

lcd

stm32cubeide

mcu

Votes: 0

Answers: 1

Latest Answer

As already mentioned, PCF8574T - is an i2c expander. So you need to write a driver which manipulates data pins on PCF8574T in way described in tutorial you found. Check the arduino code for this type...
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zolokonst

is there any way to run two loops?

I can't do the blinking text while having scrolling text at the second row of the i2c lcd in arduino. I tried creating and naming two loops but it is doing one task then another. void loop(){ blinki...
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Bonn

c++

loops

arduino

i2c

lcd

Votes: 0

Answers: 2

Latest Answer

you just have to write all you're code without blocking delay. I can suggest you to use millis . a function that return the number of milliseconds since startup. try something like that : (a function ...
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Antoine Laps

optimization code - 2D-array indexing in c

I read data from 2D-array buffer and write data to lcd using the 2-index row index and column index how to optimization this two byte (gu8LcdBufferColumn, gu8LcdBufferRow) to (single byte) in which th...
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Hassan Elsaied

c

embedded

lcd

Votes: 0

Answers: 0

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