Problems to program a PCB based on Arduino Mega rev3 schematics
I've developed a project that basically consists of reproducing the Arduino Mega schematics and export it to an ECAD tool to test my PCB design skills after a technical course. After recieving the PCB...
View ArticleGenerating High Resolution Sine wave Using PIC's PWM
Hi all, I am trying to generate sine wave using PIC18F2550's PWM and a low a pass filter. I need to generate sine waves in the range of 100- 200 Hz with a resolution of 0.5 Hz . But the maximum...
View ArticleMicrocontrollers communicating with other microcontrollers over RJ45...
Hey guys, A quick overview of what I am trying to accomplish: I have a microcontroller that connects to the internet via wifi, and also has an onboard RF module for non-wifi communication with other...
View Articleanalog front end not working
hi im using afe 5808A with tsw 1405. both was detected in the software but didn't get output. i used to give one input signal out of 8 channel. other system parameter is given as it is in the manual...
View ArticleInterfacing with FUJITSU Thermal Printer FTP-628DCL-300
I am planning to interface Futjisu Thermal Printer ftp-628 DCL-300 using my Renesas Controller. I have gone through the data sheet but they have given details to print only through the Control Board...
View ArticleUnderstanding SPI communications for diffrent ADC type in cpp implementation
I spent many hours to understand how to change ADC MCP3008 SPI communications into the ADC 0832CCN. I need to change this function: //this works for ADC MCP 3008 Code (Text): double Mcp3008Spi::read(...
View ArticleControlling the speed of motor using SR04 Ultrasonic sensor
Actually I want to build a project. using arduino uno and sr 04 ultra sonic sensor, I want to control the speed of a dc motor. When the distance is very small, the motor stops rotating. When there is...
View ArticleSearch for Commonly Used Accelerometer (>16g)
Hi, I was searching for an accelerometer based on following parameters: 1. Digital 2. High g (>16g) 3. Cheap (<5 USD) 4. Commercially available 5. Commonly used (arduino support) Can anyone...
View ArticleFUJITSU THERMAL PRINTER INTERFACE
Hai, I am new to thermal printer. I am planing to interface fujitsu thermal printer with micro controller. In fujitsu data sheet i could not find anything more on code side. I dont know about the...
View ArticlePicKit 2 and 24f32ka302
I'm guessing this is a long shot... I picked up a couple pic24fv32ka302 to play with. I didn't realize it at the time, but that particular chip wasn't included in the supported devices of the pickit2....
View Articlecalculator using six button
Please help me for source code and circuit about calculator with six button using arduino uno If i want to select 0-9 and aritmatic operation just input 6 button to do it Thank you
View ArticlePIC16F690 two 7 segment
So I'm suppose to make a counter that output 0 to 99 using PIC16F690 with two 7 segments. Btw I'm using Flowcode v5. I put the ones digit at Port C(with 8 bits) so no problem on that part but I'm...
View ArticleCan someone help me to understand the data sheet of this ADXL345
Here is the data sheet http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL345.pdf So here is my problem. No where can i find in the data sheet on how to interpret the data Im not...
View Article"Fatal Error:Could not find device " Error in MSP-FET and MSP430
Hello, I'm using MSP430F5131 and trying to program it by IAR Embedded Workbench while using the MSP-FET debugger. A short background of the PCB: After i compiled the code in IAR with not errors found ,...
View ArticleLow Pass RC Filter to PWM Sound Output doesn't work
I connected a headphone (32 ohms) to SMT32 F103RB board. There was a sound, but it's modulation was wierd, because to change frequency I had to change PWM prescaler, and pulse didn't do much (changed...
View ArticleLCD PIC microcontroller contrast setting
Hello all! I am working with an LCD for the first time. I am using this LCD: http://www.lcd-module.de/eng/pdf/doma/dips082e.pdf I wanted to ask before I move forward with this if I can connect my 3.3v...
View Articlepic24fv32ka302 I2C clock stretch not working
Hello all. I just started messing around some pic24s and ran into a little problem. I am trying to use the I2C in slave mode and so far it will acknowledge the address, but it does not hold the clock...
View Articleverilog to fpga kit procedure require
i need step by step procedure to execute verilog code and program into fpga spartan 3e starter kit pls urgent. any pin has to change in kit while tranfer program or run mode setup?
View ArticleHelp understanding how to use the USB in the MT7620
I have a small device that uses MT7620N: https://www.anz.ru/files/mediatek/MT7620_Datasheet.pdf I want to add a USB functionality, so I'm focused on UPHY0_VRES, UPHY0_PADM, UPHY0_V33A, UPHY0_PADP and...
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