Author Archives: edhagopian

Someone Finally Did It With A 555

Someone Finally Did It With A 555 [Jarunzel] needed a device that would automatically click the left button on a mouse at a pre-set interval. For regular Hackaday readers, this is an easy challenge. You could do it with an … Continue reading

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Alexa – NodeMCU: WeMo Emulation Made Simple

Let’s connect a 4 Channel relay module to control 2 lamps and 2 outlets as shown in above diagram. We will create 4 “single smart devices”: Light1 ==> Relay 1 ==> NodeMCU D5 Light2 ==> Relay 3 ==> NodeMCU D7 … Continue reading

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Catalog of visualization types to find the one that fits your dataset

Catalog of visualization types to find the one that fits your dataset There are a lot of visualization methods to choose from, and it can be daunting finding the right visual for your data, especially for those just starting out. … Continue reading

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DIY ant killer

Homebrew ant killer made from sugar, borax, and water is very effective in keeping ants out of the house. Dissolve a half cup of sugar with 1.5 tablespoons of borax into 1.5 cups of warm water. Then dip a cotton … Continue reading

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Multiple Monitors With Multiple Pis

One of the most popular uses for the Raspberry Pi in a commercial setting is video walls, digital signage, and media players. Chances are, you’ve probably seen a display or other glowing rectangle displaying an advertisement or tweets, powered by a … Continue reading

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DIY Raspberry Pi Indoor Outdoor Webcam

In the boot partition, the one you see on windows, add a file named wpa_supplicant.conf and edit it in notepad. Copy and past the code below, and edit the ssid and password variables. ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdevupdate_config=1 network={ ssid=”SSID” psk=”PASSWORD” } Then … Continue reading

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British place-names generated by a neural net

Dan Hon (perfecting earlier work by Tom Taylor) trained an AI on the vast corpus of British place names, then set it loose. The results are amazing, illustrative of an uncannily human humor seemingly at work, something you’d never get … Continue reading

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