Recent posts

Say hello to the new server!

If you can see this post you have reached the new server! Please report any problems you experience. We’re now running on Varnish and some cached stuff may need tweaking before it runs smoothly. We will post the full setup of the server next...
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BT-C3100 intelligent battery charger teardown

Alan Parekh of Hacked Gadgets writes: Thanks to GearBest for sending in this Opus BT-C3100 V2.0 Intelligent Battery Charger for review. at a quick glance this charger might look like any other charger that you see at the grocery store.  Your...
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BridgeDuino: A wireless Arduino HUB and shield

TechBitar shared his latest project the BridgeDuino with boards from DirtyPCBs: BridgeDuino is a Swiss army knife PCB for rapid networking of inexpensive wireless communication modules. Breadboards are super for one-off experiments. But after...
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Maker Villa Penang introduction

William @ SGmakers threw a Hacker Villa in Penang Malaysia after attending (and sponsoring) Hacker Camp Shenzhen. We got to attend the first two days full of hacks, food, and making new friends. Penang is an island, and UNESCO world heritage site,...
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Monitoring Android traffic with Wireshark

Ever wonder what data is being sent out by your Android device? Here’s a post from LinuxJournal outlining how to monitor your device’s WiFi traffic. The technique involves setting up a man-in-the-middle Wireless Access Point (WAP) on...
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#FreePCB via Twitter to 2 random RTs

Every Tuesday we give away two coupons for the free PCB drawer via Twitter. This post was announced on Twitter, and in 24 hours we’ll send coupon codes to two random retweeters. Don’t forget there’s free PCBs three times a every...
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Guitar booster pedal (MPX-1)

Bastl3r  wrote this instructable detailing the build of his guitar booster pedal project: I chose an overdrive pedal design off of generalguitargadets.com (Schematic) and modified it like this: added a simple positive/middle/negative supply...
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Burn c into other chips using Arduino Duemilanove

Kathy Yang writes, “We may often encounter such situation as bootloader falls off when using Arduino, this thing can freak us out especially when we got no bootloader tools on hand. So what shall we do? Here we’ll introduce a way on how to...
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A 5c lithium ion battery charger

Nerd Ralph writes: As various sites explain, lithium-ion rechargeable batteries should be charged to 4.2 volts. USB ports provide 5V, so all I needed was a way to drop 5V down to 4.2 or less. Standard diodes have a voltage drop of 0.6 to 1.0...
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Proximity sensing LEDs

Here’s a proximity-sensing LEDs project by Will_W_76.  He writes a complete step-by-step instructions here: So how does this all work? What makes it proximity-sensing? Remember in the explanation above that the photo-transistor acts like a...
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