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245 Threads found on Led Blinking
I powered it from 1st MCLR pin, put 8mhz oscillator with capacitors into 13th and 14th pin, connected led to 19th pin and led is not blinking. ??? MCLR/VPP is not the power pin. Must supply VDD pins 11 and 32. Please show your complete circuit. To simplify the test setup, you can run the PIC from internal oscillator. One
Hi folks. Recently I bought OLIMEX pic18f4550 (link: ). I am trying to interface it with PICkit by microchip. When I am trying to setup my IPE tu=o just test blinking led code under Tools I cannot find any option to select (Screenshot attached) 13652
Tried so many code but fail to interface.... OR please correct attached file Your main.c code has nothing there, just a blinking led on while(1) loop. In addition, there isn't a single evidence of an attempt to interface with this JHD240128.
I actually figured it out while I was typing this. I had the "lo" led wired wrong. Yes. It could be seen much better with a sketched schematic. Still, curious why the potentiometer isn't adjusting the speed of the blinking. Because it's not wired as variable resistor. You have the potentiometer wiper unconnected.
Hi. Cannot 'read between lines'... The data sheet for IC PCA9901 shows on page one : "The PCA9901 is a 20 mA current source for a single led that allows stand-alone blinking of a predefined pattern to off-load the microcontroller and save battery power. Programming of the device is done through a training sequence: the host controller sends
Try to see whether you can put 2 or 3 led's in series. Each string needs a resistor (several hundred ohms). Thus if your strings are 2 led's each then you'll need 75 resistors (maybe 400 or 500 or 600 ohms). If 3 led's each then you'll need 50 resistors (maybe 200 or 300 or 400 ohms). Brightness depends on how well the mosfet conducts, (...)
h tried to compile a simple project using eclipse and I have this error: Description Resource Path Location Type make: *** Error 1 led blinking C/C++ Problem how can i solve it??
From personal experience, I can tell you that if you accidentally use a DC adapter that outputs a higher voltage than is specified, the power led will blink on a Xilinx Spartan development board. In my case, going back to the proper charger stopped the blinking. Unfortunately the overvoltage had damaged something else on the board and it was no l
Did you provide proper heatsink to these leds ? I mean, did you tied them to some bulky metalic plate, or left them hovering as shown in the picture ?
hello everyone..i have a problem on my project..with pic16f877 microcontroller. My project is a 2 button mode led blinking ..Hope someone could help me..the problem is when I press the 1st button it working such code. but when I press the 2nd button it's not working such the code. which I programming in 2nd condition....
Congratulations on getting the Esaki effect to work. This appears to be one of those unusual circuits, which causes you to have to stick to it until all adjustments are just right. I would like to make fade in if is possible. To do this you must change the duty cycle. According to another video, it blinks faster as you increase sup
Why is this? Can some explain me the difference between ISE and Vivado with respect to led blinking program? Are you using the exactly the same logic blocks to generate the bitstream for Vivado as in ISE? You mentioned using SDK for Vivado which indicates there is some kind of embedded uP being used, due to which it is necessary to
My arduino Nano is not working. Pin 13 led is blinking with the normal sketch but same program (with other Digital pin) is not giving any results. resistor, led gnd are all in place. This is giving me headaches.
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.
Hi friends, I am making use of the switch to blink a single is working good But in my board ,it consists of 8 switches and 8 leds . when I press first switch,first led have to blink.when I press second switch,second led have to blink.and so on can anybody give me the code for this program.I have worked on different patterns but
I have to make a very simple program for led blinking . Using buttons 1 and 6 lead me.When the button is pressed for a small time , then led 1 should be blinking. This code is part 2 of the led blink. part 1- Lead 5 & 6 part 2- led 1,2,3 & 4 blinking with batton scan As long (...)
Hi, I am testing a simple program of blinking two leds with 8051 uC, one led will blink all the time and another will toggle during an interrupt. I am using proteus simulator and keil v5. Debugging step by step of the code in keil shows it ok while running the code is not giving satisfactory output with interrupt led. (...)
Hi all, I am trying to write a code for PIC so that it can carry out different function depends on setting mode. Default mode: both led blinking Mode 1 : led 1 is blinking Mode 2 : led 2 is blinking But my code doesnt work as what i thought. I am using IF statement my code is as (...)
Hi, I am learning RTOS by myself taking ucos-ii and MSP432 evaluation board as a reference. In the reference code, which I download from its website, I find difficulty in creating two tasks(led blinking) that have different priorities. In reference code, BSP_Tick_Init() function called in the call back function so after creating another (...)
Hi. I found at my workplace an evaluation board based on GSM module SIM508 EVB V1.01, manufactured by SimCom What seems to be the problem: I have inserted a valid SIM card; soon after I activate GSM (by pressing Z1 button ) the GSM_NET led start blinking and then stops after 10-15 seconds. During this seconds ,I receive string "Call Ready

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