Assembly statements
Hallo folks! Is there an assembly statement or way to do a OR? I want a "goto" if one or another of two conditions are met. What i want is it to get out of the loop if the subwf goes to 0 or below 0,...
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Help Getting Started with PIC Microcontrollers
Hey Everyone! I have been doing lots of research on PICs but I still have lots of questions. And after these questions have been answered then I will most likely have more. 1) It looks like you have to...
View ArticleMy MCU circuit can't start by itself
I made a circuit that transmit two set of numbers to another MCU circuit,but the circuit can't start by itself,it will start when I uses a probe fro the oscilloscope to test of the legs of the...
View ArticleArduino programming...for absolute NOOBZ
Where is the go to place for the language used to program an arduino? I have found some places online but surely there is a central source with projects and classes.
View ArticleDS1307 initializing
hello , every one in the following code , the seven segments clock is working correctly but i don not need to loose the seconds every time i switched on , so i add " void ds1307_init() " but it always...
View ArticleSchematic and C-source for driving a HD44780 LCD from a PIC
Attached is the schematic and the source files to drive a HD44780 (very common LCD and cheap) from a PIC uController. The code was developed on a PIC16F886, but should port easily to any other PIC with...
View ArticleHow to choose a micro controller?
I was curious, when looking at a list of AVR and PIC micro controller, how do we go about choosing the right one for our projects? What about size? RAM? What are the benefits of choosing a 16 pin 8 bit...
View ArticleSPI freezes
Hello, I have an issue with spi that freezes. I'm using atmega88 with nrf24l01 but when i try to test spi communication i get stuck. I initialize spi based on atmel specifications: Code: DDRB |=...
View Articlecan interfacing with arm
do i need a can transreceiver for stm32f105rb microcontroller for serial communication between these two microcontroller.or do these microcontroller have inbuilt can transreceiver?????
View Articlemachine language to assembly language
everyone say start with basics learn some basic things so my another effort for learning about micro controller I know about basic gates like AND, NOT and OR, we can make following circuits with help...
View ArticleUNO heatsink???
Should the processor on the UNO have a heatsink? I was thinking of using this during halloween for some LED effects but after running this for about 20 minutes I noticed it was warm. I had two 20mA...
View ArticleArduino IDE, slow compile
I watched a video tutorial of sorts where this person was writing a simple code and when he hit the upload button, it compiled and uploaded within seconds. I have a fast machine, that is not the...
View ArticleSTM32F105Rb CAN communication in loopback mode
hello, i am presently working with stm32f1905rb micro controller,i want two stm32 controllers to communicate with each another using can protocol.so,for testing purpose i used one controller and...
View Articletemperature measurement
Hi there, what way do you measure temperature using NTC thermistor? I have made a circuit that is a Wheatstone bridge, and the 10k thermistor is one of the bottom part. The bridge is balanced at 25...
View ArticleLED flash issue
I am trying to learn this stuff but I can't figure out this one thing I want to do. I have 6 leds that currently are flashing in sequence. That is working. When I power the arduino, I want all 6 to...
View Articleclock radio project from battery backup to fully battery operated
Need help on how to transform a regular everyday clock radio from target or walmart to fully operational with batteries only. I dont want the wires. I plan on cutting the wires afterward.
View ArticleDAC and ADC Simutaneous Testing
I have a DAC and ADC in a controller board. DAC generates a sine wave of 20mV pp ,2.5Khz to a DUT (Device under Test. And DUT after processing the signal generates an amplified version of input signal....
View ArticleAbout STM32
Recently,I an studying how to use STM32, a microcontroller of ST std. Is there anyone who also study it? maybe we can help each other.
View ArticleMicrocontroller beginner
I am potentially about to start programming ARM Cortex M based microcontrollers this September. I need to know the list of connectors I need to connect a microcontroller to my computer for programming....
View ArticleNE555 timer help (newbie)
Hi! I am helping my grandfather with re-making his old rotating halogen light to his tractor into LED flasher. I tried to use a Velleman MK111 to make it flash, but don't work properly. It "bugs"...
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