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208 Threads found on edaboard.com: hd44780
Hello hd44780 are the popular character module: Pin 1 - Vss Pin 2 - Vdd Pin 3 - V0 Pin 4 - RS Pin 5 - R/W Pin 6 - E Pin 7 - DB0 Pin 8 - DB1 Pin 9 - DB2 Pin 10 - DB3 Pin 11- DB4 Pin 12 - DB5 Pin 13 - DB6 Pin 14 - DB7 A - LED (+) K - LED (-) I hope this helps you. If yes, please leave me 'helped' points. Thank you Mav
Hi, I've just began to work with microcontrollers and i've built a simple hd44780 LCD driver with a PIC microcontroller but i have some trouble in the module initialization. I've used a library a found on the net and that is like the one that come with the CCS PCW compiler but u can choose the pins u want to use. It works but only when t
I want to emulate hd44780 controller. But i cant get any information from hd44780_Driver_MCU. I am used following code while ( !input(ENABLE_PIN) ); //waiting for falling edge data=input_c(); //read from 8-bit interface connected PortC MCU is PIC16F877 Xtal speed 20MHZ i am waiting for any suggesti
You want an example schematic? search google for 'PIC LCD' :) Assuming you are using the hd44780 or equivelent LCD module.... VEE is indeed the contrast adjust, while most people tend to connect this to the wiper of a variable resistor, (each lug VCC and GND) I always end up having the pot very nearly at GND. But I wouldn't connect it direct
Hi all, I?ve a 16x2 LCD module, not sure at all if it?s hd44780 compatible. I need to drive this one with 16f84a just to verify if it?s working properly. I tried to make it work with no good result. Can anybody give me the working code for the same? Thanks
Hello!! I want to create a custom character for my LCD 2x16... i have read the description for hd44780 controller, but i do not understand how to write in the GCRAM... my GCRAM address is 0x40.. have you hany example code??? Tks....
Hi all, I?ve a 16x2 LCD module, I don?t know at all if this one is hd44780 controller compatible or not? Pin name/number printed on it is exactly the same as HD447870 one. Is there any way to determine it, so that I can get assured of it? Thanks
Guys, I need some advice on interfacing a 2 x 16 hd44780 display to a PC via the parallel port. In a nutshell here are the connections as supplied with the part. LPT pin 1 to pin 6 (E) on LCD LPT pins 2 - 9 to pin 7 - pin14 (DB0 - DB7) on LCD LPT pin 17 to pin 4 (RS) on LCD +5v to pin 2 (Vdd) on LCD GND to pin 1 (Vss) on LCD There is
You can try hd44780 based lcds. They can be controlled easily. So you don't need another driver etc.
Greeting Do you know where to find a schematic for AT89C51 and LCD module (hd44780) and C software for writing characters on LCD? Thank in advance Maverickmax
Hello everyone! Could anyone tell me how alphanumeric LCD (ex. like hd44780-based) can handle Chinese language? As far as I know, Chinese has some thousands hieroglyphs and I have no idea how 128 extended characters from ASCII table can handle it. Thanks!
you LCD is based hd44780 controller and you can find datasheet about this controller and comand, address and combination about caracter that might you want to show all avaible through datsheet
for Alphanumerics LCD hd44780 is very popular. you can use them. there is plenty of examples on the web. also i want to use graphic lcd(128-64). which chip set do you suggest? it should be easy to use (with 8 bit MCU) and cost effective.....
Another possible issue is that LCD modules are slow by themselves. The Enable Cycle Time for hd44780-based LCDs are already 1ms. Added to some execution time from your microcontroller and you may easily miss your deadline.
I did NOT look up your LCD , but assumes it is "Hitachi hd44780" compatible , most characterbased LCD displays are. 10 seconds with google reveals this I will leave the challenge of interfacing to the HC11 up to you. But it might be a good idea to use "hd44780" as one of the googl
This is an industry-standard hd44780 based character LCD: Read all about it here: Here's a great article about these LCD's: USING LCD DISPLAYS Part I: Part II:
I wanted to download follow files:LCD simulation(hd44780)、Scope 、I2C simulation (7bit address) 、Signal generator 、LED simulation 、TCP/IP connection 、Time Measurement 。 Please help me!.thanks! all of these files are in follows webs! but i can't download them. who has these *.dll files ?give them to me
i have a Hitach hd44780 Compatible LCD from pvc the problem is that when i bought it and connected it to the supply the test screen appeared . but when i repeated this the next day there was nothing (no test screen) and i discovered that when the supply voltage increases above 5v which should be its supply voltage some blocks appear and then disa
The 40x4 LCD is just like two 20x4 LCDs put side by side with two separate hd44780 controllers. While there may be varients depending on manufacturer, What I would do is the use the two controllers independently as 20x4 and see what goes where. It should not be difficult to find out.
hd44780 KS0066U SA60069 Is there any difference in the instruction set of this LCD controllers?