Posts Tagged ‘Atmega328’

A web configurable ThingSpeak logger, build on AVR ATmega328

Thursday, April 19th, 2018

Davide Gironi posted an update on Xively logger project we covered previously: This embedded platform is a modular and configurable ThingSpeak data logger, built on an ATmega328 micro, usefull to send datapoints to your ThingSpeak feed. This project is an update to the Xively logger presented here See the full...

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Posted in AVR, DIY | No Comments »

TB timer – Timed camera cable release

Wednesday, May 17th, 2017

Steve Smith has published a new build: It’s taken some research but I have built a prototype with my trusty ARDX Arduino Uno kit Currently, the device changes mode with a press of the mode button which will later be incorporated in a suitable rotary encoder. I modified the prototype’s...

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Posted in Arduino, DIY | No Comments »

Precision pressure meter with the Bus Pirate

Tuesday, May 2nd, 2017

Scott Harden has a nice build log on his precision pressure meter project: I just completed building a device capable of measuring temperature to one hundredth of a degree Celsius and pressure to one ten-thousandth of a PSI! This project is centered around an ICstation MS5611 temperature sensor breakout board...

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Posted in Bus Pirate, DIY, measurement | No Comments »

Arduino Mini CNC Plotter Machine from DVD drives

Wednesday, December 9th, 2015

An instructables on how to make an Arduino based mini CNC plotter from old DVD drives by Ardumotive_com: For the X and Y axes we will use two stepper motors and rails from dvd/cd drives and for the Z axis we will use a small servo motor that moves the pen up...

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Posted in Arduino, how-to | 1 Comment »

AMQUMO: A Xively AMbient QUality MOnitor built on ATmega328

Thursday, August 6th, 2015

Davide Gironi published a new build, AMQUMO -an ATmega328 AMbient QUality MOnitor: AMQUMO logs 4 environmental parameters: -Humidity -Temperature -Ambient Noise -Brightness The data it is logged to the platform, and displayed to the user through 4 bi-color leds. It can be used to monitor you Office Ambient Quality over...

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Posted in AVR | No Comments »

CO2 meter and Xively logger with NDIR infrared sensor built on AVR ATmega328

Tuesday, January 6th, 2015

Davide Gironi published a new build an AVR ATmega328 based CO2, temperature and humidity logger and meter: It logs data feed, CO2 in air in terms of ppm, temperature and humidity to a feed. It also display realtime data to user through a 16x2 characters LCD. This logger it is...

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Posted in AVR | No Comments »

Arduino heart rate sensor

Tuesday, December 23rd, 2014

An Arduino pulse sensor project from Bajdi: I found a little heart rate sensor @ ICstation. It is a clone of the open hardware pulse sensor. The sensor is well documented, and it comes with Arduino and Processing example code. To try it out I connected the sensor to an ATmega328 running at 3.3V...

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Posted in Arduino | 2 Comments »

Programming an Arduino via WiFi with the ESP8266

Wednesday, December 17th, 2014

Gary Servin has been working on a new project a method to flash an Arduino via WiFi using the ESP8266.  He wrote a post on his blog detailing the process: I’ve been working on a new robot called RoDI for a summer course at my Alma mater. RoDI is a low...

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Posted in Arduino, project logs | No Comments »

A web configurable Xively logger, build on AVR ATmega328

Tuesday, December 16th, 2014

Here's an ATmega configurable Xively logger platform by Davide Gironi: Xively (formerly Cosm and before that Pachube) is a platform devoted to simplifying the interconnection of devices and data with applications on the Internet of Things. It is an on-line database service allowing developers to connect sensor-derived data (e.g. energy and environment...

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Posted in AVR | No Comments »

Introducing RFToy, an Arduino-compatible gadget for radio frequency modules

Monday, November 10th, 2014

Ray Wang from RaysHobby has informed us of his latest open-source project called RFToy: it's an Arduino-compatible microcontroller board for interfacing with radio frequency (RF) modules, such as the popular 433/315MHz transmitter/receiver, and the nRF24L01 transceiver. The RFToy has a built-in ATmega328, USB-serial converter (CH340G), 128x64 OLED display, three buttons, and...

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Posted in Arduino, RF | 8 Comments »

LED matrices and MAX7219 ic’s

Tuesday, November 4th, 2014

A 10 60mmx60mm Led matrices controlled by an ATmega328 + 10 MAX7219 ic's from Bajdi Electronics: Made a big LED matrix this week using 10 60mmx60mm LED matrices. I designed the PCB's myself and had them made in China. Every PCB has a MAX7219 and a header to plug the LED matrix...

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Posted in Arduino, LEDs | 7 Comments »

Gamecube controller to N64 adapter

Tuesday, September 16th, 2014

Scasagrande shared his Gamecube controller to N64 adapter in the project log forum: Today I bring to you my Gamecube controller to N64 adapter. Basically I was playing my N64 and was sad about how the analogue sticks are getting old and loose. So I did some research, found some Arduino...

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Posted in Arduino, project logs | No Comments »

DIY Binary clock in an old hard drive shell

Thursday, August 7th, 2014

x2Jiggy wrote a post on his blog detailing the build of his DIY binary clock: This clock uses a minimalist design constructed in the shell of an old hard drive. A DS1307 Real Time Clock (RTC) module keeps accurate time while an ATMega328 (with Arduino bootloader) microcontroller determines which LEDs should be...

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Posted in clock, DIY | No Comments »

BLDC motor control using Atmega328

Sunday, May 4th, 2014

Nich Fugal from Makeatronics is working on a BLDC motor controller. I call it a smart BLDC commutator. In a nutshell it's a dedicated atmega328 that monitors the hall effect sensors on a brushless DC motor and takes care of the commutating and driver circuitry. It's smart because it has...

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Posted in AVR, project logs | No Comments »

Thermal camera project

Tuesday, April 29th, 2014

[embed][/embed] In this video Avery demonstrates his thermal camera project that he is working on: The code does technically work. I put my hand over the sensor, and LEDs light up. In the video, they appear to get brighter because the led on/off decision is made by basically taking the image...

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Posted in DIY, hacks | No Comments »

Fast PWM and electromagnetic interference

Friday, March 14th, 2014

Marios Andreopoulos writes: A few days ago I wrote a blog post about Arduino and EMI. By using fast PWM and a plain breadboard wire, I was able to detect electromagnetic interference using a usb TV tuner, with its antenna near my circuit. Not only that, but by manipulating duty...

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Posted in Arduino | 1 Comment »

PlingPlong – A portable synth

Thursday, October 31st, 2013

Another cool project by Mats the PlingPlong, a two octave touch keyboard with four channel polyphonic synth: This is a small (10x20cm 4x8") portable battery-operated synth with a two octave touch keyboard and four voice polyphonic digital sound. I'm using two microcontrollers on the board - a Microchip PIC18F44K22 for the user...

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Posted in project logs | 2 Comments »

RFM12Pi V2 – Raspberry Pi wireless expansion board

Thursday, May 2nd, 2013

Glyn Hudson over at OpenEnergyMonitor posted an update on the RFM12Pi Raspberry Pi wireless expansion board: Here is the latest version of the RFM12Pi Raspberry Pi wireless expansion board. Like the V1 the RFM12Pi V2 allows the Raspberry Pi to receive and transmit data via RFM12B 433/868mhz from and to other wireless...

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Posted in R-Pi | No Comments »

Wireless voice-controllable smart home project

Saturday, April 27th, 2013

Wireless voice-controllable smart home project by Jiayuan Wang and Sheng Zhang from Cornell University, built as a final project: There are two CPU in our project, ATmega328 and ATmega1284. We set up the wireless communication by two Xbee chips. One of them connects with ATmega328 working as the transmitter to...

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Posted in hacks, wireless | 2 Comments »

AVR/V-USB combo tool hacks Win 7

Wednesday, October 31st, 2012

András Veres-Szentkirályi, IT security expert, OSCP, GWAPT, writes, "I've built a device that acts as a USB HID keyboard, enters a script as a series of keystrokes into a PC, which can extract itself into an executable. This in turn can send files on the PC back to the device...

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Posted in AVR, hacks, open source, security, USB | 1 Comment »

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