|
![](https://ae01.alicdn.com/kf/S75ffd48612cc4672b75332fd73fe7904E/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/S9ada799ad7734f9483033870260a5753L/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/S9c1730b0f2fe4fbaab45bbfb4a0599fb3/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/S1503db4a736b44098b05da193cc90a18m/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S75ffd48612cc4672b75332fd73fe7904E/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/S9ada799ad7734f9483033870260a5753L/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/S9c1730b0f2fe4fbaab45bbfb4a0599fb3/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/S1503db4a736b44098b05da193cc90a18m/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg) ![](https://ae01.alicdn.com/kf/Sc8a1f4f8991448c08d84a55189797b3cA/IIC-I2C-LCD-IIC-I2C-TWI-2004-R3-20x4.jpg)
- Æ©ºê Ĩ »ö»ó: ÆĶõ
- ¸ðµ¨ ¹øÈ£: IIC/I2C Á÷·Ä ÀÎÅÍÆäÀ̽º ¾î´ðÅÍ°¡ ÀÖ´Â 20x4 2004 LCD µð½ºÇ÷¹ÀÌ ¸ðµâ
- ¿ø»êÁö: Áß±¹
? °íÇ°Áú LCD µð½ºÇ÷¹ÀÌ:ÀÌ 20x4 2004 LCD µð½ºÇ÷¹ÀÌ ¸ðµâÀº °íÇ°ÁúÀÇ ¿µ»óÀ» Á¦°øÇÏ¿© Arduino R3 ÇÁ·ÎÁ§Æ®¿¡ ÀûÇÕÇÕ´Ï´Ù.
? IIC/I2C Á÷·Ä ÀÎÅÍÆäÀ̽º ¾î´ðÅÍ:IIC/I2C Á÷·Ä ÀÎÅÍÆäÀ̽º ¾î´ðÅÍ°¡ ÀåÂøµÈ ÀÌ LCD ¸ðµâÀº ÀåÄ¡¿ÍÀÇ ¿øÈ°ÇÑ Åë½ÅÀ» º¸ÀåÇÕ´Ï´Ù.
? ´Ù¾çÇÑ ÀÀ¿ë ÇÁ·Î±×·¥:´Ù¾çÇÑ µðÀÚÀÎÀ¸·Î ÀüÀÚ Á¦Ç°¿¡¼ Á÷¹°¿¡ À̸£±â±îÁö ´Ù¾çÇÑ ÀÀ¿ë ºÐ¾ß¿¡ ÀûÇÕÇÕ´Ï´Ù.
? Æ°Æ°ÇÑ ¼ÒÀç:³»±¸¼ºÀÖ´Â Àç·á·Î Á¦ÀÛ µÈÀÌ LCD µð½ºÇ÷¹ÀÌ ¸ðµâÀº Á¤»çÀÌÁî »ç¿ëÀ» °ßµô ¼ö ÀÖµµ·Ï ¼³°èµÇ¾ú½À´Ï´Ù.
? »ç¿ëÇϱ⠽¬¿î:»ç¿ëÀÚ Ä£ÈÀû ÀÎ µðÀÚÀÎÀ¸·Î, ÀÌ LCD ¸ðµâÀº »ç¿ëÇϱ⠽±±â ¶§¹®¿¡ Ãʺ¸ÀÚ¿Í Àü¹®°¡ ¸ðµÎ¿¡°Ô ÀÌ»óÀûÀÔ´Ï´Ù.
? ÄÄÆÑÆ® ÇÑ µðÀÚÀÎ:ÄÄÆÑÆ®ÇÑ µðÀÚÀÎÀ¸·Î ±âÁ¸ ÇÁ·ÎÁ§Æ®¿¡ ½±°Ô ¼³Ä¡ÇÏ°í ÅëÇÕÇÒ ¼ö ÀÖ½À´Ï´Ù.
±¸¼º ¿ä¼Ò: i2c Á÷·Ä ÀÎÅÍÆäÀ̽º ¹éÆÑÀÌÀÖ´Â ÆĶõ»ö/³ì»ö/Èò»ö LCD µð½ºÇ÷¹ÀÌ; LCD ȸéÀº 2 ÁÙ x 16 ÀÚ¸¦ Ç¥½Ã ÇÒ ¼ö ÀÖ½À´Ï´Ù. i2c LCD ¾î´ðÅÍ ³»Àå ¾÷°è Ç¥ÁØ µî°¡ LCD ÄÁÆ®·Ñ·¯
±âº» ÁÖ¼Ò: PCF8574T ĨÀÇ °æ¿ì 0x27; PCF8574AT ĨÀÇ °æ¿ì 0x3F; i2c ÀÎÅÍÆäÀ̽ºÀÇ Ä¨À» È®ÀÎÇϽʽÿÀ. (Äڵ带 Á¦¾î º¸µå¿¡ ¾÷·ÎµåÇϱâ Àü¿¡ GitHub¿¡¼ LiquidCrystal I2C ¶óÀ̺귯¸®¸¦ ´Ù¿î·ÎµåÇϽʽÿÀ)
ȣȯ¼º: I2C Á÷·Ä ÀÎÅÍÆäÀ̽º°¡ÀÖ´Â LCD µð½ºÇ÷¹ÀÌ´Â Arduino ¹× Raspry pi¿Í ȣȯµË´Ï´Ù. ÀÛµ¿ Àü¾Ð: 5V; ¹é¶óÀÌÆ® ¹× ´ëºñ¸¦ Á¶Á¤Çϱâ À§ÇØ Àû¿ëµÇ´Â ÀüÀ§Â÷°è¿Í ÇÔ²² Á¦°øµË´Ï´Ù. ¹è¼± ¹æ¹ý: GND-GND; VCC-VCC; SDA-A4; SCL-A5
ÀÀ¿ë ÇÁ·Î±×·¥: LCD ¸ðµâÀº ¹®ÀÚ, ¹®ÀÚ, ¼ýÀÚ, ½Ç½Ã°£ ½Ã°è ¹× ¿Âµµ¸¦ Ç¥½ÃÇÏ´Â µ¥ Àû¿ëµË´Ï´Ù.
, µð½ºÇ÷¹ÀÌ ±â´É: I2C Á÷·Ä ÀÎÅÍÆäÀ̽º°¡ÀÖ´Â LCD µð½ºÇ÷¹À̸¦ Àû¿ëÇÏ¿© ½Ç½Ã°£ ½Ã°è, ¿Âµµ, ½Àµµ µîÀ» Ç¥½Ã ÇÒ ¼ö ÀÖ½À´Ï´Ù. (´ëºñ¸¦ Á¶Á¤ÇÏ·Á¸é ÀüÀ§Â÷°è°¡ ÇÊ¿äÇÕ´Ï´Ù. ÀÛµ¿ Àü¾Ð: 5V ¸¸)
![](https://ae01.alicdn.com/kf/S630898944236443a9d5fe47dadea6bbfq.jpg) ![](https://ae01.alicdn.com/kf/S75ffd48612cc4672b75332fd73fe7904E.jpg) ![](https://ae01.alicdn.com/kf/S9c1730b0f2fe4fbaab45bbfb4a0599fb3.jpg) ![](https://ae01.alicdn.com/kf/S1503db4a736b44098b05da193cc90a18m.jpg) ![](https://ae01.alicdn.com/kf/Sc8a1f4f8991448c08d84a55189797b3cA.jpg) ![](https://ae01.alicdn.com/kf/S4badb80c5f0844a58dbcaec6879e5378E.jpg)
|
|
|
|
|