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RaspBerry Pi Zero
Hi friends, I have been looking around to purchase a Zero and none of my sources have those in stock! Can you help me why apparently the Zero is not available? I have a bit crazy purpose to study the...
View ArticleHelp Programming 16x2 LCD - PIC16F73
Hi Guys, I'm having trouble programming an 16x2 LCD, I wondered if someone could check my code. It compiles ok. Still don't fully understand how to program this LCD, the order of which to execute...
View Articleover sampling
Hi there! I have a project where I need to analyse the code. The guy uses feature oversampling. The problems is that the guy uses oversampling on DC to get extra bits of accuracy. I have tried to look...
View ArticlePickit 2 - won't write.
Hi, everyone. It's been quite some since i last posted. Im having a problem with writing to a 16f877a with pickit2. I tried to load a code from a previous project but it would not write. It did not...
View ArticleLearning electronics with python is good or bad ?
I'm a newbie to programming and electronics,I am a B.tech IT graduate,I'm basically a networking guy . Now i moved to network programming job,where for my job i need to learn python and i am currently...
View ArticleAC6 Open System Workbench debug & run problem
Hello, When I try run the program on Nucleo F446RE I encounter a conflict. This is what the console returns: Info : STLINK v2 JTAG v24 API v2 SWIM v11 VID 0x0483 PID 0x374B Info : using stlink api v2...
View ArticleNeed help in arduino programming.
Hi everyone. I'm currently doing my semester project. I'm using an arduino UNO and GSM module SIM 800. but I'm not able to transmit messages from the module. So can anyone help me in giving program...
View Articleoutput of rain sensor
hello!i have interfaced the YL-83 rain sensor on avr, using its adc function but at the output since i am getting digital values (0-1023) at the output, i am not getting how to convert these values...
View ArticleMinimum current for micro controller
Just wondering if there was a minimum current limit on a Genie microcontroller, I know there's a maximum pin limit but cant find a minimum Thanks
View ArticleAccessing TTL signal with UM232H
Hey Experts, I am complete newbie in electronics. I want to send the TTL signal coming out of the BNC of my acquisition board to the computer over USB. I have this card UM232H. The only thing I don't...
View ArticleJ Type Thermocouple Signal Conditioning
Dear friends , I need to make a j type temperature controller . Please suggest me how to proceed , never used one before . 1. I need circuit used for j type thermocouple signal amplification using...
View ArticlePicaxe/mcp23027 i/o exp interface circuit diagram
Hi,Everyone. Can anyone help me with a circuit diagram for interfacing a picaxe 14m2 with a mcp23017 expander chip. Ive searched the web all over and found the code but no diagram. I want to add a 3x4...
View ArticleNew but asking for help with MC / PWM ?
Hello All, Ok I am old but stubborn, so am going to follow this issue through regardless, my question / problem is as follows : What is the most simplistic way to design a circuit board that will...
View Articledesign buck converter with arduino controlling pwm
i need a help. i am designing a buck converter which step down voltage from 24v to 12v. i am using irf 540 for my mosfet. inductor value is 90u and capacitor value is 20u. load resistance is 15ohm. i...
View ArticleCreating a Customized MODBUS Program for a Remote Terminal Unit
Hi Everyone, I have here a unit of King Pigeon S275 Remote Terminal Unit.. this RTU has communication modules for GSM, GPRS and TCP/IP (via RJ45 connection) I can also communicate with this RTU by...
View ArticlePIC12f1501 used to turn a servo
Hi all Could you maybe tell me why the following code (which compiles fine) will not rotate the servo. Below is the code. //1501Servo #define _XTAL_FREQ 16000000 #include <xc.h> #pragma config...
View Articledetecting a knock pattern
Hi everyone, I'm looking for a way to detect a knock pattern. something like: toc----toc---------------toc Getting the 'toc' shouldn't be a big problem: I'm planning on using a microphone or a piezo,...
View ArticleWeston Technology Remote Display Unit
I found this Remote Display Unit, it also has a LC/SDCM Serial Data Converter Module (for use with DayStar NOVA LCD). I have the following information: There are (4) terminal connections: Power Supply...
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