STM32 LCD i2c example - VN42

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This video contains an example of lcd i2c with stm32f4, stm32cubex and keil. LCD 16x2 has a i2c module (PCF8574). On the website you may download both the library and source code.

  1. veysel gokdemir
  2. stm32f4 arm programming
  3. stm32cubemx tutorials
  4. stm32
  5. stm32f407 lcd example
  6. lcd display
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Комментарии
Автор

You are amazing, with you great library you have saved me for my finale project. 😊

aboodyk
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thanks for your video! I did it with my LCD 20x4

nguyennguyenvu
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it’s work very fine, good job! Can you help me to print the value of the potentiometer linked on ADC please?

liamferro
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Veysel bey paylaştığınız kod çalışıyor lakin ekranın kontrastından kaynaklı çok zor görünüyor aynı ekranı arduinoya bağladığımda gayet rahat görünüyor lakin stmde göremiyorum acaba değişiklik kütüphanenin neresinde değişiklik yapılabilir

ziyaonal
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Could you please make a video about keyboard 4x4 interfacing with I2C?

aboodyk
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Really good video and library, although i cannot slide my text xD (i'm using a 40x2 with 0x24 address but it only works with address 0x4E)

rodryford
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Merhabalar . Benim şöyle bir sorum olacak. Bir cihazla i2c ile haberleşmem gerekiyor onu programlamak için. Ancak programlayacağım entegre eepromu programlamadan önce acknowledge biti vermiyormuş. Bende stm keil üzerinden cihazın adresine bir komut yolluyorum ancak cihazdan ack biti gelmediği için stm ikinci byte olan komut byte ını göndermiyor. Her turda tekrar slave adresi yazıyor ama acknowledge gelmiyor. Bunu nasıl çözebileceğimi bilmiyorum. Sizin bir düşünceniz var mı ?

nejatorkutgokus
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Dear veysel gokdemir

I tried your code with a 20x4 display and the first example gives me something unexpected. The second line is shown wrong. Like it follows:
volt:227.89 V
current
:10 A

I did one simple experiment. I wrote the same thing in all lines "volt:227.89 V". It is quite funny that it is written well in every line except for line 2. In addition, it cuts the sentence in the 8th character, just like in the first example.

Do you know why? I already check the DDRAM addresses in a 20x4 but I see nothing wrong.

Thanks

pabloq
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We would to send you free samples and pay you for videos as sponsor。

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