KiCad footprint for Nokia 5110 LCD

Sven Gregori on Hackaday.io created a KiCad component and footprint for the Nokia 5110 LCD and created this breakout board to test it:8695331498520943537

Yet another Nokia 5110 LCD breakout board

I just shamelessly measured all there was to measure and created my own KiCad PCB footprint, along with a schematic component.

Once done, I needed a way to verify it would actually work and fit the LCD, so despite how pointless it is, I created my own breakout board as proof of concept and ordered it from OSH Park.

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The Nokia 5110/3310 LCD component and footprint are available on GitHub:

Screenshot from 2017-06-10 14-39-57

sgreg has shared the breakout board on OSH Park:

Nokia 5110 LCD Breakout Board Rev.A

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Order from OSH Park

KiCad footprint for Nokia 5110 LCD

Hackaday Prize Entry: A Tiva Shaped Like an Arduino

Texas Instruments’ Tiva C LaunchPad showcases TI’s ARM Cortex-M4F, a 32-bit, 80Mhz microcontroller based on the TM4C123GH6PM. The Tiva series of LaunchPads serve as TI’s equivalent of the Arduino Uno, and hovers at about the same price point, except with more processing power and a sane geometry for the GPIO pins. The Tiva’s processor runs five times…

via Hackaday Prize Entry: A Tiva Shaped Like an Arduino — Hackaday

Hackaday Prize Entry: A Tiva Shaped Like an Arduino

Tindie Seller Interview: Alex Albino

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interviewed Alex Albino of Femtoduino for the Tindie blog:

Alex Albino, of the Femtoduino Store, is one of the original sellers on Tindie, with his store officially listed as opening on November 26, 2012. During this time, he’s sold well over 300 of his custom boards, and I was glad to catch up to him to ask a few questions.

Albino, who works as a software and web developer, first got into electronics after his NES was fried in a thunderstorm in junior high, and he got to take it apart. Eventually his interests led him to the Arduino and Fabio Varesano’s work, and multiple hardware platforms over the years.

Albino’s store started with him asking Fabio Varesano if he could sell Femtoduino boards, which have the same outputs as an Arduino Uno in the size of one’s thumb. Since Varesano wasn’t interested in selling them himself, he generously gave Albino permission to run with this design. Albino then went to work assembling and selling these boards, and even made sure to give a portion of the money he made—though he didn’t have to—back to Varesano to promote his open source work.

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Of course, these tiny Arduino clones are still for sale, but Albino sells several other items, including the FemtoBeacon wireless IMU (inertial measurement unit) sensor. He even notes his store theme as providing the smallest open source IMU sensors in the world. You can see one in the image above next to a U.S. dime—quite small indeed. He hopes to grow the Femtobeacon business into a full-time job in the future.

Naturally, Albino has bought from other Tindarians in the past, which he says is always fun. He also notes that, “If you sell anything on Tindie, make sure to package carefully, take decent photos, and include videos of stuff in action!” As such, here’s a video of the tiny Femtoduino in action:

Tindie Seller Interview: Alex Albino

555 Piano

Alexander Ryzhkov created a small 555 timer-based piano:

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555 piano

Main goal of this project has been creating pretty designed 555 based piano in small form-factor. Many 555 piano are using 9V battery for supply. I use CMOS timer and for timer need only 3V supply.
The design files are available on GitHub:

githubChirnoTech/555Piano

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Here is a video of the board in action:
openidev has shared the board on OSH Park:

piano.toplayer.zip

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Order from OSH Park

555 Piano

PCB Artwork in 2017

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wrote on Hackaday about the amazing PCB artwork that he’s seen so far in 2017:

Hackaday Links: June 11, 2017

PCB art is getting better and better every year.  This year, though, is knocking it out of the park.  In March, Andrew Sowa turned me into money.

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More recently, Trammell Hudson has explored the layers of OSH Park soldermask and silk to create a masterpiece.

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Now, we’re moving up to full-blown art. Blake Ramsdell worked with OSH Park to create a full panel of art in gold, fiberglass, soldermask, and silkscreen. It’s 22×16 inches, and it’s fantastic.

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David I. Herman just created a Facebook group for PCB paintings.

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PCB Artwork in 2017

Pushbutton Power Switch for Arduino

Wayne Holder designed a simple pushbutton power on/off circuit that works with most Arduino boards:IMG_7746

Pushbutton Power Switch

This article shows how you can use a simple, ultra low current pushbutton, an LED and a few I/O lines to implement pushbutton power switch for an Arduino.

 

Simply press the pushbutton for a few seconds and the Arduino will power on and run code.  Then, push and hold the pushbutton until the LED illuminates and then release the button to switch power off.

Wayne made this project video:

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wholder has shared the board on OSH Park:

AutoPower-05 (added cap)

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Order from OSH Park

Pushbutton Power Switch for Arduino