SECS-II host using a PIC18F57K42
One of my current uC projects is to make a portable SECS (Semiconductor Equipment Communication Standard) host for RS-232 serial (there is also a Ethernet standard) interface troubleshooting of...
View ArticleCircuit for anti-theft buoys
I shall submitt my idea and enquiry at the same time, I have a problem in my work related to buoys stolen at sea .we looking for a solution to make the buoy itself defend upon ,in other word in case of...
View ArticleLinear motor control with TI LaunchPad
Hi, I am just starting to learn and use electrical motors, and I want to understand how to make the motor stop at a given point. I know which signals need to be on each of the 6 mosfets to make the...
View Articlecompatible driver module for AC Servo Motor
Hello ACC Community! I would like to control the AC servo motor from the microcontroller. I want the servo to return some position, servo start, servo stop, return to a home position I am looking for...
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STM32f103 interfacing with adxl345 via i2c
I am working on interfacing ADXL345 accelerometer with stm32f103 blue pill board through I2C communication. I have written the code in keil software by surfing the internet which works fine sometimes,...
View ArticleEsp8266 and nrf24l01 communication system
Hi everyone, So, I'm pretty new to the esp8266, but have some experience with arduino (I'm certainly no master however). I'm working on a project that uses an esp8266 and a nrf24l01 radio module to...
View ArticleI understand how, but not the why
I am having an issue with programming my atmega328p in avr c. I have watched all the videos and I understand which bits to turn on, but what I don't get is how you know which ones to turn on and why. I...
View ArticleReading analog values from potentiometer through ADC in STM32F4 Discovery Board.
Hi, I am trying to read the analog values from potentiometer which is connected ADC channel 0, namely pin PA0 in my development board. I have attached the related part of the code. I got all of these...
View ArticleIndoor WiFi positioning App using Nodemcu's as accesspoints
I want to build and an app that tells the location of a smartphone using only WiFi. I will have to use Nodmcu's as the access points. It would be a great help if you guys can give me an idea how this...
View ArticleReading the program from a Atmega8L-8PU
Hi everyone, today I salvaged a circuit board which had a Atmega8L-8PU. Looks like a control board used to drive motors or something like that. I am going to burn the bootloader onto it using an...
View ArticleAK8963C module XYZ calibration by MAGMASTER
Hi, I'm programming a PIC 18L4620 with a compass module AK8963C using Oshonsoft (BASIC) I have the PIC READing the module and outputting serial DATA. (see txt) I have programs Magmaster and Magmaster...
View ArticlePIC10F222 asm code builds, but not works as expected
Hello, The problem is that the asm code builds, but not working as expected. Could anyone help me with this problem? Thank you for your time. Pin#2 = VCC (5v) Pin#4 = GPIO,1 (Programmed as an input)...
View Articlecontrolling 7amp 12Vdc Heater with PWM using MOSFET?
Hello everyone, I'm working on a project that controls 12Vdc 7Amp silicon heater pad using MOSFET. I tried HA210N06 MOSFET with a heatsink but it doesn't work correctly, the heater doesn't get hot but...
View ArticleHow to Code a Arduino for a Air Hockey Scoreboard
Hello, I need help making the code for scoreboard that is going on an air hockey table (school project). I am new to the Arduino and have no experience creating code. What I have is 4 7-segmented...
View ArticleHow to use compression to change bit depth of a video signal?
I need to use compression to change bit depth of a video signal. Our Focal Plane Array(FPA) is Vanadium Oxide(VOx) Resistive Microbolometers Uncooled Thermal Infrared Detector. The output of this image...
View ArticleBuilding an SD Memory disk drive?
I want o take a stab at designing my own SD memory disk drive for my Atari 800. I have fairly detailed technical documentation but would appreciate some thoughts on how to go about it. Some background....
View ArticleSetting up AK8963C Compass chip SPI Oshonsoft
Hi, I am using the AK8963C Compass chip as opposed to the HMC5883L which has an AK8963N chip on it, on a project. They look the same, but have differences. I am getting odd results, so I'm trying to...
View Articlewhy RAM is faster than ROM?
Could some one please tell me why RAM is faster than ROM? I have done my research most of the articles focuses on volatile, non volatile, accesibility, where they are used,Storage capacity, etc. 1.I...
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