Fun project with pic18f8722
Fun project: I did design, as a pensioner, a general purpose pcb board based on a PIC18f8722.( see attached). The used current at power supply should, in rest, not go above the 60 micro amps clock...
View ArticleUnidentified low frequency components around 50Hz in a dc-ac inverter
Hello, Im designing microcontroller based (cortex M3) dc to ac inverter based on unipolar PWM switching. The switching frequency used is 20khz and the sinusoidal frequency that I want to produce is...
View ArticleMicrochip RN4020 Bluetooth LE
Anyone have experience using the RN4020 module? Any hiccups or anything to be aware of? Also, it is my understanding that, as long as you use the module unmodified, no addtional FCC testing or...
View ArticleUnidentified low frequency components around 50Hz in a dc-ac inverter
Hello, Im designing microcontroller based (cortex M3) dc to ac inverter based on unipolar PWM switching. The switching frequency used is 20khz and the sinusoidal frequency that I want to produce is...
View ArticleCan a PIC microprocessor update itself?
This may seem an odd question, but using a Comms protocol over a network socket, usb or infra-red reciever is it possible that the chip could receive an update version of the code that was loaded...
View ArticleHow to code for when a change in colour an LED will go off?
Hey guys, I'm very new to Arduino. I bascilally have a colour sensor and been playing around with it but i want to make it so that when the sensor picks up/ or goes over a certain threshold an LED goes...
View ArticleArduino C Expert to loan their eyes?
aI was hoping that someone familiar with coding for the Arduino would be willing to take a read of my code to see if I am doing anything egregious. I consider myself an accopmplished coder, but two...
View ArticleReversing polarity of multiple LEDs using AVR microcontroller
I want to control multiple LEDs at the same time using a microcontroller. The LEDs will all be enclosed in 3d printed blocks with contacts on the top and the bottom.There can be any number of LEDs...
View ArticleRMS to ADC - measure ac voltage using Arduino.
Hello everyone I'm trying to measure ac voltage using Arduino, I'm using a step down transformer (12Vrms output) as a voltage sensor, i'm having trouble in conditioning this signal to the ADC pin....
View ArticlePWM in pic18f4520 Help
Hello guys, First really thanks for the attention. Well going to the subject of my doubts, I'm planing to do a LED dimmer using PWM modulation in a PIC18f4520 using assembly language as my final...
View ArticleQUERIES FOR LABVIEW
Hello, What is the standard or use of labview software what makes it to stand in industries?
View ArticleTesting PIC
Hi, I'm testing a PIC by sending data to it's RX with a terminal (teraterm), the PIC works on the data and outputs the result to the TX, which I receive and read in a second Terminal. I find that when...
View ArticleProblem in PIC to PIC Synchronous Communication
The purpose of my simulation was to implement Synchronous communication between two PIC's. One as a master and another as a slave. I have read the data sheet in order to understand the configuration...
View Articlechange event time from second to millisecond for stmf103rbt6
Hi I am doing a project in keil uvision. i got the whole project ready. but i need to change event time from second to millisecond . i am new to microcontroller programming. If any1 can help me with...
View ArticleNew dev kit for embedded and IoT applications
Imagination Technologies is using Kickstarter to introduce a new development kit designed for IoT applications. It is called Creator Ci40 and includes all the optimized hardware and open source...
View ArticleSimple Blackjack Game on FPGA
Hello, I am currently working on a project to implement a simplified blackjack game in verilog onto an FPGA, In this simplified version, there are only 4 different cards(Fives, Sixes, Jacks, and Aces)...
View ArticleOptimizing a control system with Fuzzy Logic/Genetic algorithm in a PLC
Hi guys, I've been tasked with optimizing a PID controller in a PLC with two different methods and then comparing the results as to which one works better. Hardware: PLC: Schneider Electrics' Modicon...
View ArticleBluetooth Output of ELM327
1. I am using ELM327 ( http://www.amazon.com/ELM327-Version-Bluetooth-Diagnostic-Windows/dp/B00QUL6U8Y ). It send data output by bluetooth. 2. On my android phone, I have installed "Bluetooth SPP...
View ArticleRaspberry Pi - SPI (spidev) Communication with PLL
Hi, I am trying to program a PLL device with SPI on the RPI using spidev inside Python. I want to rewrite all the values inside the registers on the AD9553 device to allow for a very specific...
View ArticleK8LH Serial Backpack
Mike, I decided to start a new thread on this rather than tack it on to the old one. Because of the significant effort in breadboarding your design, and because it has already been vetted, I am going...
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