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37 Threads found on edaboard.com: Dot 5x7
Now, the LED can stay still for each word but I would like it to blink and it has to use multiplexer(in 74 series) for blinking. I have found 74153 use for blinking but I can't connect it to my system on Proteus. So, if you know how it work Please help Proteus was included. and photos represent how it blink but i cannot do.
Cross posted: If it is of any interest, I am in Ireland and have loads of left-over stuff for this. I have been sitting on it just so as not to throw it out. All I want is shipping cost. 3cm red 5cm red and green 7.5cm red all 5x7, Column Cathode, from Forge Europa I also have PCBs, TPIC6B595 shift register O/C drivers, and some assembled b
Guys i m making a Scrolling text using 5x7 display with 8051 but i m having a problem that i m unable to figure out that how to scroll a text i wrote this test code but it keeps displaying 'A' .. plz can sumbody tell me what is the prob with this code...... i ll very thankful..... #include int count={0x08,0x10,0x20,0
hello, I m troubling to find datasheet of 5x7 14 pin dot matrix display I m having HB35711ASR display if you have any please share it
Hello. i'm from Malaysia, first of all, i am sorry because im not so good in english, but i really need somebody else help me. Anybody here can help me with programming for 5x7 dot matrix to show the temperature from heat senson input? thank you..
need a 5x7 led dot matrix display with 10 pcs I have other parts the mm5450 any project will do with microcontroller is ok
hi all... i have created a 5x7 LED dotmatrix display board(20 Nos of 5x7). and its currently working fine, its a 7 row and 80 coloumns display board.... i want to add some effects and animations in that display board , so for that where can i find a program that it can convert the file animation i draw in the pc to hex values.? WHERE (...)
Logic is multiplexing... You need to implement it by utilizing the property of our eye - ' persistence of vision' Try this link, I hope you will get something...
Hi, i'm doing one 5x7 dot matrix with 14pins . I'm using PIC16F876A ,With 3 ports. I connected column of the dot matrix to PORTB pin 3-7 and rows to PORTC pin 1-7 . Somehow the programming to display a alphabet got me thinking. I had no idea how to display cause i'm new to assembly language. Can anyhow teach me? LIST p=16F876 (...)
hi .... I am having 20X5 column's and 7 rows (15 No of 5x7 LED ) serially connected to PC via hyper my code i have some problem with receiving characters from the PC. I have attached my code here... i use Mikro C and PIC16f877A and 74HC595 for shifting column's. My program is , /*---------------------------------------------
hello guys, how can one represent aphabets in asm code of pic16fxxx. to be displayed in 5x7 dot matrix
Digital Clock using ATMega8535 and DS12887 with 5x7(8) led dot matrix I am doin last project and urgently in need some soultion.... Plz help me,if any-one has that project or related info. I am using ATMega8535 and DS12887 and the display is on 5x7(8)LED dot matrix and i also wanted to include buzzer which says (...)
8X8 LED dot matrix display with AT89S51 | Free 8051 Microcontroller projects you can use similar circuit for your project just a little program change required
hi. i have some problems with my LED. i cannot trace the footprints of my LED dot matrix. fyi,it is a 5x7 display dot matrix,with 7x7 pin. the component number is TE 05457054N239M i also trying to search the datasheet over the internet,but i couldn't find anything. can someone help me to find the datasheet? thanks.
Hi, I'm running 4: 5x7 bi colored dot matrices from the MAX6952. I'm using the PIC18's SPI to interface with it. I sent some dummy bits, so I know my CLK and Dout work. But the MAX6952 doesn't light up, and seems to be not receiving any data from my Dout. The MAX6952 can take 2 words (first byte for address and the second for function to pe
Hi I have some code that I used long time back to test a 5x7 dot matrix display. At that time I was trying to make a car number gear display used in rally cars. It is very basic. It used a 4017 decade counter to switch columns and rows are connected to the PIC. if you use the 16F877, you will have more than enough pins to multiplex it. // MODI
hey here is that code if you can't ;Program for 5x7 COMMON CATHODE dot MATRIX DISPLAY ;P1 COL ;P2 ROW ORG 0000H AJMP MAIN ORG 0030H MAIN: MOV P1,#00H MOV P2,#00H MOV DPTR,#TABLE LOOP3: MOV R4,#50 LOOP2: MOV R3,#250 LOOP1: M
hi to all again.. thanks to the one replied to me..but still I have a blurred idea of how will I make my own display..I just have a little span of time.. I'm planning to make a cascaded 5x7 dot matrix display that would be interface in the computer through parallel port.. The project should be a PC- based application and will be run through VB sinc
Hello Friends, I read all ur discussion. i am new in digital circuits. I have knowlage of digital circuits and have some programming knowlage too but don't dont' have real world experiance. I have a working led matrix matrix of 7 rows and 96 rows. I want to test it with my won microcontroller. I am going to use this with my
we have a project regarding moving display using led dot matrix 5x7...and pic16f877...and we are only new to microcode...any suggested program using microcode studio...or where can we download a free compiler other than microcode that best suits the program to be used...we will be grateful for your help...thanks a lot....
can someone help me?????design BY using 5x7 dot matrix led sign board with remote control
Can somebody give me the actual pin diagram of 5x7 dot matrix display (common anode).Data sheet shows c1 to c5 and r1 to r7 but when I check with DMM the leds do not glow.I am not able to understand the pin labeling.
hi, Can anyone help me to find the foot print of the 5x7 dot-matrix led display footprint. i would appreciate very much. Thx. The item: Specification - 5 x 7 dot matrix led display Manufacturer - Kingbright Part no. - TA12-11EWA Data sheet - Adde
Hi, i need help to make the column anode 5x7 dot-matrix LED become brighter. i was thinking that it maybe lack of current. any idea on how to improve this? thanks. The below image is my circuit coonection, i'm doing 10 pieces of the dot-matrix LED
Hi, i need help to make the column anode 5x7 dot-matrix LED become brighter. i was thinking that it maybe lack of current. any idea on how to improve this? thanks. The below image is my circuit coonection, i'm doing 10 pieces of the dot-matrix
HI, How can I connect five dot matrix display 5x7 using multiplexing method.I whant to control the displays with a ATEMEGA8. Thanks :D Added after 17 minutes: Helpppppppppppp!:cry:
I want to ask an Idea on how to make a program on picbasic on scrolling led. I'll use the 5x7 dot matrix, 74164 shift register, and pic16f84a. Thanks ..
suggest to change... void INT_LCD(void) { //function set 8 col 2 row, 5x7 dot format,NIBBLE MODE delay_ms(5); EN=1; RS=0; DATA=0x30; EN=0; delay_ms(5); EN=1; RS=0; DATA=0x30; EN=0; delay_ms(5); EN=1; RS=0; DATA=0x30; EN=0; delay_ms(5); EN=1; RS=0; DATA=0x20; // here you choose nibble mode EN=0; dela
GOOD day.., i am a first year college student.., and i need to create a 5x7 dot matrix LED design or animation using only DIP switches or rotary switches.., the circuit must be sequential.., i really dont know what to do.., anybody.., pls help me.., pls pls.., pls reply ASAP.., i really need it..,
Hi, I doing some testing.. Why my 5x7 dotMatrix display not very stable? But still can see the display. I am using AT89C52. Is it any problem on my design? Thank You Sorry my drawing connected wrong. I correct it already!
hye......... i dunno how to write a program to run a 5x7 dot matrix display, how to initialize the row and the column, how to set the delay between each emoticon figure? i use 8086 controller,8255 PPI and 74HC374 microprocessor to drive the dot matrix display...the program is to display three emoticons such as smiling face figure, (...)
I have a board with 6 MAX7221 chips, these chips are connected to 6 5x7 dot matrix displays. The max7221 are as follow connected to each other PIC controller ---> DIN (first max7221) DOUT first max7221 to DIN second MAX7221 CS and CLK are connected togethor. How i now let say put the letter 'A' on first and the letter 'B' on secound disp
Take a look at the picture below .. it shows common pin configuration of 5x7 LED dot-matrix .. Compare with what you have then get a 9V battery (or power supply) with a current limiting resistor (1kΩ-10kΩ) and test pins, say, 13 and 9 - you have two options: for common anode (+) goes to pin 13 and (-) to 9, for comman cathode the opposit
The 5 x 7 it's a standard dot matrix font. Try drawing on a paper with squares the new 4 x 7 fonts and see how will look like. Especialy the M, N, W Besides the MAX6953 has only 24 user-definable characters. Which ones from ASCII table you want to keep ? User fonts are stored in MAX6953's internal RAM with five bytes per character. Table
Hi all, i need reference or tutorial to scanning dot-matrix 5x7 display based on LED using parallel port. i used 8 dot matrix display 5x7? how about the technique to scanning it? is 8 bit parallel enough to control 8 dot matrix 5x7 ? thanks for your help Elits
Hi all, i need reference or tutorial to scanning dot-matrix 5x7 display based on LED using parallel port. i used 8 dot matrix display 5x7? how about the technique to scanning it? is 8 bit parallel enough to control 8 dot matrix 5x7 ? thanks for your help Elits
If it is actually yet.... :idea: I have same module FM20X2AA-B (2 lines x 20 symbols(5x7 dot matrix). There is connector flat cable 30 pin. Module is based on slave processor i8041. 1, 3, 5, 7, 9, 11, 13, 15 - D0..D7 17 - \Wr 19 - A0 21- \Rd 23 - \CS 25 - Test0 27,28 - VCC (+5V) 2,4, ... 26, 29, 30 - GND Sorry, I not