Resonant Frequency!
Using sweep frequency, I have to stop at the resonant frequency. Is there any code to do this?
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EARTH FAULT DETECTOR
i got a circuit which detect earth fault, i.e if earthing is provided or not. it indicates fault using LED. Now i want to use this circuit with arduino so that i can send alert remotely using gsm. not...
View ArticleProblems with SPI timing - Arduino to Pic.
I currently have a 16F18326 programmed as a slave device and an Arduino Leonadro as the master. Everything works fine if I print the received character on the Arduino but becomes garbage if the prints...
View ArticleEmail using sim800L module
Hi, So basically what i want is a system where i simply use a gsm module like sim800l module and whenever there is a trigger i want the module to send an email to a particular person now there are 2...
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Arduino Analog pin pullup and pulldown
hello, please see the attached image of my circuit, it has atmega328pu MCU. i am unable to understand few connection, PC1 and PC4. PC1 is connected to ground via 1k resistor and PC4 is connected to vcc...
View Articlemy new 'Arduino -uno ' kit
hello everyone... I've just bought one 'Arduino - uno' kit for myself .... I am a beginner in this field... I've not even opened the seal of that kit.. I have two questions: 1. do i need a separate...
View ArticleArduino Nano CH340 USB/Serial driver stopped working, with work-around
My Arduino Nano with CH340 USB/Serial driver mysteriously stopped working recently. It has worked in the past, and the same is true of two other Arduino Nanos that I tested. Specifically, when I plug...
View Articlehow to set up a sequential gear counter?
Hello guys, I recently joined a Fsae project at my university, but I am a freshman and I do not know much about electronics, and I would like to know if anyone can help me make a counter of gears for...
View ArticleUnbrick a Wiznet w5100 ethernet shield
I have a W5100 shield that I appear to have bricked. I compiled and ran some code for a Enc28J60, and then ran it on a W5100, which appears to have bricked the latter, it no longer runs any of the...
View ArticlePulsing an infra-red Led transmitter
How to pulse an infra-red LED transmitter using a PWM? if not possible, is there any other way to do so? (I'm using Arduino-uno)
View ArticleHow can I make my Infra red camera distinguish between 4 infra red...
I am working on an Arduino project where I use an infra red camera that measures distance along with 4 infra red LED transmitters placed each on a corner of a square platform to park a robot perfectly...
View ArticleIR camera Distinguishing between two flashing IR leds?
hello, Is it possible to write an Arduino code that discriminates between the flashing of two IR Leds? ( I have two Infra red Leds connected to an Arduino. The first one is always on and the second one...
View ArticleArduino Nano and HC-05 Bluetooth module upload issue
I'm trying to upload to arduino wirelessly without using usb cable, after looking through numerous tutorial online/youtube i still could not figure it out. I have changed the HC-05 to slave and set it...
View ArticleRecording number of dig input state changes with Arduino
Hello, looking to connect a rotary encoder (TTL output) directly to arduino, monitoring one channel. As motor turns 360 degrees, the state changes for one channel will be 1-0-0, or essentially 1 state...
View ArticleArduino gps speedometer
Hello, I would like to build a battery powered arduino gps speedometer. In this arduino based project I would like to include a few features. -I would like it to turn on some lights when It detects...
View ArticleHow can I write a code to make my sensor distinguish between two Leds?
hello! I have made a circuit that consists of two IR Leds. The first Led is always ON and the second is flashing every 1 second. how can I write an arduino code to make my infra red sensor distinguish...
View Articleinterrupt code not being complied in Arduino IDE
hi guys, I was learning how to use interrupts on Arduino and saw this tutorial - I wrote the code and when I compiled it the IDE didn't and had an error message saying "buttonPressed was not declared...
View ArticleAccurate voltage measurement
Hello I wanted to measure DC voltage in the range of 0 to 24 V using an Arduino and I was looking at sensors as well as things I will have to be careful about. I am ofcourse looking to measure the...
View ArticleHow do I work with the ADC and DAC of the teensy 3.2/3.6
Hi guys, I am a beginner in Arduino and made a small code for a project. The project is as you turn the pot, the frequency given out on the speaker outputs a range of frequencies from 0-9000 Hz. It...
View ArticleWill I be able to work with Atmel studio with the Atmega 328p after burning...
Hi guys, so I found these videos on youtube for "Arduino on a breadboard" and bought an Atmega 328 chip and a 16 MHz oscillator for this. I don't think my chip comes with the Arduino boot loader pre...
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