Category Archives: Interest

What Can You Learn From an Eggbot?

An eggbot is probably the easiest introduction to CNC machines that you could possibly hope for, at least in terms of the physical build. But at the same time, an eggbot can let you get your hands dirty with all of the concepts, firmware, and the toolchain that you’d need …read more

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Posted in cnc, cnc hacks, easter, eggbot, grbl, grbl shield, Hackaday Columns, hardware, Holiday Hacks, Interest, machine, stepper, stepper motor | Leave a comment

In Praise Of The App Note

When I am at a loss for an explanation in the world of electronics, I reach for my well-thumbed Horowitz & Hill. When H&H fails me which is not that often, the chances are I’ll find myself looking in an application note from a semiconductor company who is in …read more

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Posted in app note, Application note, Hackaday Columns, Interest, jim williams, Original Art, reviews, semiconductor | Leave a comment

Hacker Abroad: Vietnam’s Electronics and Hardware Markets

Ho Chi Mihn City is the hub for sourcing the materials and tools driving the growing Vietnamese economy. Whether you’re building new, or keeping existing equipment running, the supply chains and service companies aren’t yet in place and the markets of HCMC are the go-to for parts and equipment. Let’s …read more

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Posted in electronics market, Hackaday Columns, Hacker Abroad, hardware market, Interest, vietnam | Leave a comment

Hacker Abroad: Vietnam’s Hardware Hackers

One of the unfortunate things about Hackaday’s globe-spanning empire is that you often don’t get to meet the people you work with in person. Since I was in China and it’s right next door, I really wanted to pop over to Vietnam and meet Sean Boyce, who has been writing …read more

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Posted in Hackaday Columns, Hacker Abroad, Ho Chi Minh City, Interest, meetup, printing, robots, vietnam, Wearables, wood block | Leave a comment

Extraterrestrial Excavation: Digging Holes on Other Worlds

We humans are good at a lot of things, but making holes in the ground has to be among our greatest achievements. We’ve gone from grubbing roots with a stick to feeding billions with immense plows pulled by powerful tractors, and from carving simple roads across the land to drilling …read more

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Posted in Asteroids, digging, drilling, excavation, Featured, Interest, lander, mars, moon, Original Art, regolith, sample, sample return, space, space probe | Leave a comment

Can You Live Without the WS2812?

As near as we can tell, the popular WS2812 individually addressable RGB LED was released to the world sometime around the last half of 2013. This wasn’t long ago, or maybe it was an eternity; the ESP8266, the WiFi microcontroller we all know and love was only released a year …read more

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Posted in APA101, Featured, Interest, led hacks, neopixel, RGB LED, ws2812, ws2812b, WS2813 | Leave a comment

Hacker Abroad: Cellphone Repair in Huaqiangbei and a Huge Meetup at Seeed

Shenzhen, China is the home of the legendary electronics markets of Huaqiangbei. Friday was my first full day in the city, having spent the previous three days in Shanghai. We got a little bit of a late start as our flight didn’t arrive until after 1 am and we stayed …read more

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Posted in cellphone repair, electronics markets, Hackaday Columns, Huaqiangbei, Interest, repair broken cellphone glass, Seeed Stuio, shenzhen, X.Factory | Leave a comment

Hacker Abroad: Visiting Espressif and Surprising Subway Ads

Thursday was my final day in Shanghai. After spending all of Wednesday at Electronica Asia, I headed over to the Espressif Headquarters which is just one subway stop away. This is of course the company behind the well-known ESP8266 and its younger sibling, the ESP32. My host was Ivan Grotkothov, …read more

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Posted in Chip7, ESP32, ESP8266, espressif, Hackaday Columns, Hacker Abroad, Interest, persistence of vision, shanghai, subway | Leave a comment

Hacker Abroad: Massive Conference Brings Big News of Hackaday Prize China

My first full day in China was spent at Electronica, an absolutely massive conference showcasing companies involved in electronics manufacturing and distribution. It’s difficult to comprehend how large this event is, filling multiple halls at the New International Expo Center in Shanghai.

I’ve seen the equipment used for PCB assembly …read more

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Posted in 2019 Hackaday Prize, automation, Bom2buy, digi-key, electronica, Electronica China, Hackaday Columns, Hackaday Prize China, Hacker Abroad, Interest, manufacturing, robots, shanghai, supplyframe | Leave a comment

Hacker Abroad: A Very Long Way to China

It turns out that Shanghai is a very long way from my home in Wisconsin. I’ve traveled here for Electronica China, and although it made for an incredibly long travel “day”, it turned out to be quite enjoyable. I hacked some hardware on the plane ride, I took a maglev …read more

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Posted in Hackaday Columns, Hacker Abroad, Interest | Leave a comment