I need an interface board between breakout board and dc motor
What i am trying to accomplish is driving a dc motor with outputs from a cnc breakout board that will be used for an automated sander. First step zero axis's. Second step Y- moves in y+ direction z is...
View ArticleZigbee Soil moisture sensor project issues
In a project I am doing, I have to send analog readings of a soil moisture sensor through zigbee. I have connected the sensor Vcc to 5v and ground; the zigbee Vcc to 3.3v and ground. The analog pin of...
View ArticleMultiple questions about an electronic dart scoreboard -...
Hello all, This is my very first post on this forum, so I think I need to give you some little background info. I've got no previous experience in designing electronic circuits and I've got some...
View Articleis ther any arduino with RTC on it.
Hi everybody I am interested if there is an Arduino or an Arduino compatible bored that actually have on it a RTC. Because I am in the middle of making a project that needs very importantly a RTC but I...
View ArticleArduino starter kit
Hey guys... I'm looking for a hobby that can maybe help me in my work. I thought in buy one of those Arduino starter kits. I'm a physicist and work with atmospheric related experiments. So in the long...
View ArticleHaving to define XTAL
Hi folks, I am new into eletronics and I'm currently programming a pic18f4685. However since I will be using delays, I cam up to this: after searching I found out that I can use __delay_ms(x) . However...
View ArticlePIC18F8722: SPI Only Transmits 7 bits of an 8 bit byte!
Hi All, I'm having a problem with a project based on the PIC18F8722 that I would appreciate some help with. I'm using the SPI to interface to some other components in Master mode, but something...
View ArticleMeasuring sine wave altitude by adc
Hey everyone, I am currently struggeling in measuring a one way rectified sine wave with my arduino board. I have a function generator which gives me a sine wave. I rectify it by a diode and measure...
View Articlemsp430, adc10, exceed current draw, can't turn off
Hi guys I am using msp430g2452, my timer A fire every 100ms and start ADC10 reading every 6 seconds. The ADC result is handle in ADC10 interrupt. What I found is I CANNOT turn off the ADC10 (mainly the...
View Articlepic24 sleepmode power consumption
Hello guys I am using pic24hj128010 for my project which I have to use with battery so I need to reduce current! Data sheet says we can reduce consumption upto uA during sleep mode,But in sleep mode uC...
View ArticleIncreasing Voltage to Adafruit V1 Motor Shield
Hi all, I'm working on a robot that uses a V1 adafruit motor shield as its base. The shield uses 2 L293D dual H bridge drivers to drive the motors, and they are rated to handle currents of 0.6 A...
View ArticleAT89S52 I can flash code through ISP but cannot run it
Hi, I tried to set up a circuit with a AT89S52 8051 microprocessor on breadboard. I programmed the chip with an Arduino through in system programming. I used an external clock which I connected to...
View ArticleStarting, reseting and stopping AVR timer
Hi, I want to start, reset and stop the timer in my program, and copy the TCNT0 value into a variable. My research tells me to start and stop the timer I just set the prescaler bits to my preferred...
View ArticlePic Multiple inputs interfacing
Haii all i am new in pic programming.i am doing a project on which one push button out put (5V) should connect 4 micro controllers input pin simultaneously. Can i tie 4 inputs together and connect to...
View ArticleInterfacing PIC16F1936 to IR2110 for three phase full bridge driving
Hello everybody,I am designing a three phase full bridge with PIC16F1936 and then need to control the six MOSFET/IGBTs I used IR2110 but I am not succeeding because the drivers(IR2110) are becoming hot...
View ArticleWant to edit a at89c51 program but don't know how to do it and I am a total...
It's a programm for automatic water pump controller cum motor Protector and need to change the 10 minute dry running condition to 5 minute.I made it and its working now.i don't know I can post external...
View ArticlePicmicro Developer Help site
Just in case there are some that are not aware of the site, Microchip publish a site with some fairly good construction articles. They are promising a big update in the N.Year....
View ArticlePIC16f676 5k Potentiometer Analog Read Problem
Hello Respected All Members, I am new in this forum and in PIC Programming field. I need a little help in my small assignment. I am using PIC16F676 MCU and MikroC compiler with internal Oscillator and...
View ArticleWhich MCU + BT/BLE for heart rate and ECG monitoring (from TI ADS1293)
I am working on a portable wireless heart monitor with Bluetooth interface. The idea is to measure ECG signals for at least 1 day straight and then transmit data to the Android device. According to my...
View ArticleServo robot arm (PIC and MikroC)
Hey guys! I'm an EE student and I'm planning on building a 5 DOF robot arm with servo motors. I have searched the forums but couldn't find anything suitable for my needs. The "big picture" looks like...
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