Primoz Alic

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OV7670 image sensor data capture with Atxmega32E5 without using external FIFO

• With current configuration, this system sends 20FPS 80×60 grayscale image data over 3Mbaud serial stream. There is 3 byte preamble {0xAA,0x55,0xAA} …

Serial Camera, Courtesy of the STM32F4

Look around for a small, embedded camera module, and you’ll find your options are rather limited. You have the serial JPEG cameras, but they’re …

The smallest thermal imager

A small thermal imaging sensor from Mike’s Electric Stuff:<p>Info on using the Flir Lepton thermal image sensor used in the Flir One Iphone add-on. See …

A Compact Underwater Vehicle: The Nanoseeker

The Nanoseeker is a compact underwater vehicle in a torpedo-like form factor. [John] designed the Nanoseeker as completely enclosed vehicle: both the …

An SDK for the ESP8266 WiFi Chip

The ESP8266 is a chip that turned a lot of heads recently, stuffing a WiFi radio, TCP/IP stack, and all the required bits to get a microcontroller on …

High Altitude Balloon Keeps Going

Here’s a post from the AMSAT-UK high altitude balloon blog. It’s a great story about a balloon cruising at about 12km above the Earth <i>completing its</i> …

Game Tin: Handheld Games with no Batteries

Anyone who grew up with a Game Boy knows how well they sucked through AA batteries. [Nick]’s Game Tin console solves this problem by running of an …

Using a Theremin for Medical Applications

[Eswar] is not an ordinary 16 years old boy. He figured out a noninvasive way to measure breathing in hospitals for less than $50. He is using a …

A simple twist on a classic dual-seat bench, this elegant variant lets you choose which way you face in a simple motion and without forcing your neighbor to do the same. Read more: http://dornob.com/double-view-bench-flip-the-seatback-to-switch-directions/#ixzz2VwGS852S

The Crowbox Turns Crows into a Cash Machine

[Joshua Klein] is intrigued by crows, and in particular, their intelligence. He’s devised a system that may be able to train wild crows into …

Long Range Wireless Sensors for the Home-Area-Network

In the near future, we will all reside in households that contain hundreds of little devices intertwingled together with an easily connectable and …

Interfacing the STM32VLDISCOVERY with Semtech’s SX1272RF1BAS module

Milen Pavlov with Netblocks wrote this post on connecting a STM32VLDISCOVERY with Semtech’s SX1272RF1BAS module (LoRa sx1272 transceiver.) This …

High Altitude Glider

Check out this cool High Altitude Glider project that House4Hack and HABEX made:<p>On 14 June 2014, team HAG from House4Hack teamed up with HABEX. We …

THP Entry: A Wireless Bootloaders And Linux Build Systems

With The Hackaday Prize, you’re not just limited to one entry. Of course it would be better to devote your time and efforts to only one project if …

App note: NXP Smartphone Quick-Jack Solution

An interesting app note (PDF) from NXP where you can interface your mobile phone with a microcontroller via the audio 3.5mm jack.<p>Inspired by the …

Omnivision OV9650 Breakout

Posted on Wednesday, June 4th, 2014 in DIY by DP<p>Mux blogged about his breakout for the OV9650, all files are available here:<p>I made this breakout for …

THP Entry: OpenMV

The future is a scary place, full of robots, drones, and smart appliances with cameras and vision systems that will follow your dog, your child, or …

LED Clock Looks Cool AND Tells Time

Clocks have taken many forms of the years, starting with shadow clocks and sundials in Egypt around 3500 BC. Obviously, these could only tell the …

App note: FT800 video controller from the ground up

Enable lower cost graphics capability solution integrated to your MCU with this FT800 video controller from FTDI (app note).<p>The FTDI FT800 video …

Reach Out and Touch Your Next Project with Long Range RC Controller

Long range wireless control of a project is always a challenge. [Mike] and his team were looking to extend the range of their current RC setup for a …

Web Interface for the FRAM LaunchPad

The Internet of Things is here in full force. The first step when adding to the Internet of Things is obvious, adding a web interface to your …

Tutorial: power line communications

Andrianakis Haris produced this detailed article while completing a thesis toward a B.Sc in Department of Electronic Computer Systems Engineer at …

Open Source SwitchMote Promises Easy Home Automation

[Felix Rusu] is fast becoming a big name in home automation with his clever Moteino systems. His latest is called the SwitchMote which is a super …

LemcUSB: software USB for EFM32ZG (ARM Cortex M0+)

Viswa informs us that the Lemcu.org crew have implemented a purely software based USB peripheral for ARM Cortex M0+ devices and a made a tiny Quick …

EasyEDA web based design tool

Dillon He writes with an update on EasyEDA, a web based EDA tool for electronics engineers, educators, students, makers and enthusiasts. It is the …

Breakout module for Si7005 temperature and humidity sensor

Raj of Embedded Lab has written up documentation on his Si7005 breakout board:<p>The Si7005 is a digital relative humidity and temperature sensor from …

25FPS face detection, USB support and more

mux posted an update on his camera project OpenMV, an open-source tiny machine vision module using an STM32F4 ARM Cortex-M4 micro and an OV9650 …

Designing, Simulating and Testing a Simple Radio Duty-Cycling Protocol for Contiki

A few days ago we featured [Marcus]’ Contiki port to the TI Launchpad, Contiki being an open source operating system dedicated to the Internet of …

A development board for Lua programming

doub has been working on a development board for Lua programming:<p>So this project is about packing a relatively fast microcontroller, but not complex …

Reviewing Dorji’s DSTH01 digital temperature and humidity sensor module

The DSTH01 module is smaller than 0.4″X0.4″ in dimension and operates at 2.1-3.6V power supply. The pull-up resistors for I2C lines are available on …