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Sample boxes for Bus Pirate educational kit
Needed a box for the educational kit so Seeed’s sourcers went to Huaqiangbei market and returned with this collection a few hours later. Very cool.
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Practice for Seeed Studio anniversary party
Tomorrow is Seeed’s anniversary party and every department is doing a skit or song. There are rumors of Gangnum. This the r&d department getting into the spirit.
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Seeed Studio anniversary party begins
The theme is cosplay. Everyone has a costume and each department will perform a show.
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Out of Shenzhen: Central mid level escalators
In my humble opinion the kilometer long central mid level escalators are the top attraction in Hong Kong. On the way out of Shenzhen we always check in and drop bags at Hong Kong city checking and...
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Out of Shenzhen: Nannie Sunday in Central
Hong Kong nannies, mostly from the Philippines, have Sunday off. Thousands of nannies gather and setup camp along Central Hong Kong island. Its absolutely one of the coolest things to see on a Sunday...
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Out of Shenzhen: Totally Gangnumed out!
Had enough Gangnum style? Yeah me too. Its blaring from every market in Huaqiangbei in Shenzhen, and seemingly all of China. Even The Party endorsed it calling it a harmonious tone. Kevin, our test...
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Out of Shenzhen: Sea of people at Louhu/Lo Wu
Guide books warn that the boarder crossing from Hong Kong to Shenzhen at Louhu can be extremely busy. We’ve always sailed through in a couple minutes. Today, after leaving China immigration, we...
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Shopping with students from Penang
Met up with a group of grad students from Penang Malaysia and took them to my favorite shops to buy tools. Here they are wheeling a cart full over to Susi at shippers row. Also met up with TJ from...
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Things in Shenzhen: Tailors in Louhu
Besides hunting electronics, we always have clothes tailored in Shenzhen. The Louhu Commercial City is a mall right outside the boarder crossing. Its mostly knock off crap, but at the top there’s a...
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Getting back to you today!
Sorry for the delay, there are 300 read-but-not-replied emails that came in during the Shenzhen trip last. Today is all about getting that backlog cleared, at least until FedEx drops off the next...
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Biggest tool shipment received
This is the second and biggest batch of stuff we sent from Shenzhen.
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Hot plate reflow test 1 and 2
Reflowed two 0805 caps on two qfp protoboards. One at 250 and one at 240c.p Both took about 30 seconds to reflow. Anyone know the optimal temp for crappy old lead solder paste? Board at 250 looks...
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Next tool shipment arrives on schedule
Should have board preheater, paste dispenser and part suction pickup things. Ordered the air compressor for the dispenser 5 minutes past deadline for delivery today so this will get tested tomorrow.
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PE 968A solder paste dispenser
This is a air driven solder paste dispenser with suck back for precise solder droplets. Size of droplets and repeat interval are set on the front panel. Dip switches on the back control 16 different...
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853 PCB preheating station
A PCB preheater warms boards before removing parts for repair. This makes it easier and less traumatic to remove big parts like smd voltage regulators, TQFP and BGA chips. The hot plate can serve dual...
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Dual headed component pickup vacuum pen
Last goodie for today is a dual headed vacuum pickup pen. A pump creates a vacuum to the pin. Set it down on a part and cover the small hole in the side of the pen to suck up the part. Position and...
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App Note: Single phase energy meter using XMEGA A
Here is a reference design from Atmel describing how to build a single phase energy meter using a XMEGA A microcontroller. The circuit is attached to a mains line, and moniters the energy consumption...
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Free PCB coupon via Facebook to 2 random commenters
Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. More PCBs via Twitter on Tuesday and the...
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Dangerous Prototypes stickers
Three times a week we give away free PCBs, and on some weeks other random giveaways as well. When they’re around, we also toss in a few stickers. Systemstech shared his restyling of a Hakko 951...
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