[Michael] posted some interesting uses of Nootropic’s latest shield, the Video Experimenter Shield, besed on a LM1881 video sync separator to detect the timing of the vertical and horizontal sync in a composite video signal. It’s one of the few examples of Arduino processing a live video signal, as previously seen with the Eye Shield […]
[Alex] collects retro gaming consoles. One day while playing a SNES title, his save games got wiped when he powered off the system. It turned out that the battery inside the game cartridge got disconnected somehow, and it got him thinking. He decided he wanted to find a way to back up his save games […]
[Jeremy] made ten Tutorials about Arduino worth our “All Stars” category. He talks about different themes: Blinking Leds [Intro & #2], Electrical Engineering [#3], Analog Inputs [#4], Motors & Transistors [#5], Serial Communication & Processing [#6], I2C & Processing [#7], SPI Interfaces [#8], Wireless Communication [#9] and Interrupts [#10]. Thanks to a generous sponsorship from […]
If Kickstarter is nowadays best place to find new (or upcoming) toys to dream about, Gameduino is probably one of the most amazing pieces of hardware I’ve seen hosted there. The shield mounts its own FPGA able of 80ies style graphics and sounds for creating old-school, 8-bit video-games, pre-loaded with numerous sprites and set up […]
Sensebridge is a little board that logs up to 61831 heart beats, about 14 hours of data. It is based on a atmega 168, a Real Time Clock, and 512 Kbit EEPROM. And it’s released open source. The Heart Spark is a heart-shaped pendant which flashes little lights (light emitting diodes, LEDs) in time with […]
Sensebridge is a little board that logs up to 61831 heart beats, about 14 hours of data. It is based on a atmega 168, a Real Time Clock, and 512 Kbit EEPROM. And it’s released open source. The Heart Spark is a heart-shaped pendant which flashes little lights (light emitting diodes, LEDs) in time with […]
Amazing Accordion sending MIDI under 100$ (instead of 6,699.00$), as [Dmitry Yegorenkov] shares on Arduino Forum and published on GitHub. I like to play accordion & have a dog. People say dogs are singing with squeezeboxes and some people find it funny. Not for me. I know that my pet hears note harmonics much better […]
[DaveAK] shares his latest (uncompleted, never really complete, are they) CAN Shield. Now I understand that there are a few CAN implementations out there, but the more the merrier, right? This one uses the MCP2515/MCP2551 chips like most of them do. It has a switchable CS pin so that you can use other SPI shields […]
Great Tutorial from TronixStuff about the less known Arduino AREF Pin. First: what is resolution? We measure resolution in the terms of the number of bits of resolution. For example, a 1-bit resolution would only allow two (two to the power of one) values – zero and one. A 2-bit resolution would allow four (two […]
[Humberto Evans] and the team at Nerd Kits posted a nice Christmas project about making a xylophone and solenoids triggered by a microcontroller (they share the project). We’re unlikely to replicate this machining process but the solenoids are another story all together. Starting at about 3:30 you can learn about designing, building, and using […]
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