Hacked Gadgets Forum

July 25, 2016

DIY Circular Stepper Motor Clock

at 8:41 am. Filed under Cool Gadgets, Electronic Hacks

DIY Circular StepperMotor Clock 

 
Looking for a clock build? This DIY Circular Stepper Motor Clock looks like fun and the parts would be very inexpensive.
 
“The idea behind the clock is a circle with a circumference of 72cm (28.3465 inch’s) that ticks at 1cm every ten minutes which means every 72 ticks will equal 12 hours making it a 12 hour clock. ”
 


July 19, 2016

SwagBot is Herding Australian Cattle

at 8:04 pm. Filed under Cool Gadgets, Insane Equipment

SwagBot is Herding Australian Cattle

 

Automating crop harvesting is one farming duty that robotics is good at but dealing with animals that are lose in a field is another story. The SwagBot is a robot that will soon be tending to the animals in the field.

Via: IEEE Spectrum

“SwagBot is designed to “work in highly undulating terrain, for the purposes of supporting farmers in grazing livestock operations,” Dr. Sukkarieh told us. The robot is electric, with a rugged waterproof chassis that can deal with almost anything Australia can throw at it. It’s not autonomous yet; it just uses vision right now to see the animals, but the researchers are working on figuring out what kinds of sensing systems they’ll need to do a variety of different activities.”

 


July 8, 2016

Monoprice MP Mini 3D Printer

at 8:43 am. Filed under Cool Gadgets

Monoprice MP Mini 3D Printer

 

This might be the time to jump onto the 3D printer bandwagon. The place that provides cheap good quality cables looks to now be the place to pick up a cheap and reliable 3D printer. At $200 it has some features that you wouldn’t expect to see such as a nice full color display to view settings such as platform temperature so you can easily keep your eye on the status. Looking for a review, Hackaday did a good one.

 

“Features

  • Heated aluminum build plate nozzle cooling fan for printing all filament types
  • Fully assembled and factory calibrated so you can start printing right away
  • Complete kit with sample PLA filament, bed scraper, and MicroSD™ card with preloaded model files
  • Micro USB and MicroSD card connectivity
  • PC and Mac® compatible
  • Compatible with Cura, Repetier, and other software”

 

 


June 26, 2016

DIY Smart Glasses

at 7:31 pm. Filed under Cool Gadgets, DIY Hacks

DIY Smart Glasses

 
HARRIS’ ELECTRONICS is developing a prototype set of Smart Glasses. This is not an easy task! You can read about the development challenges here.

Thanks for the tip James.
“The glasses themselves are based around an STM32F051K8 microcontroller (LQFP32 for easy soldering!). All the firmware is custom written though I got the LCD driver initialization codes from the BuyDisplay examples. The firmware is written using a somewhat “co-operative scheduling” with interrupts methodology and for most of the time, the microcontroller is sleeping until something needs to happen. Along side all the Bluetooth and LCD software, I’ve included my SoftTouch library for the two touch buttons on the side of my glasses. These are used to change screens and change items within the screen e.g. move to the next news entry.”

 

June 17, 2016

Custom Word Clock

at 1:28 pm. Filed under Cool Gadgets, DIY Hacks

Custom Word Clock_1

 

Jeremy Blum built this Custom Word Clock. It has lots of non electronic parts such as the great looking case. Good thing Jeremy is no longer at Google and is now working at Shaper with use of a wood working shop. We have seen lots of word clocks here in the past but the main thing I like with this design is the LED panel based design. Most designs use either individual LEDs or addressable LED strips to provide the illumination, with the panel method it removes this large headache.

“I wanted to control the whole thing with a Raspberry Pi and Python. Why? I want to be able to use the clock as a platform for Leah and I to do some Python hacking. This word clock functions fine without an internet connection, but using a Pi makes it easy to hook up to the web for adding future features like a web interface to set an alarm clock – future expansion options! ”

 

 


June 12, 2016

Water Droplets Captured using a High Speed Camera Rig

at 6:37 pm. Filed under Cool Gadgets

doubledriparticle-19

 

 

Check out these Water Droplets Captured using a High Speed Camera Rig. This system uses an Arduino to activate a solenoid, the solenoid releases a drop from a water container mounted at a specific distance above the table. The water falls at a repeatable rate, at the desired time the system triggers a camera flash. This allows a camera that is focused on the hit zone to capture some fantastic effects of the water drop splashing down.

 

doubledriparticle-7

 

June 7, 2016

Introduction to Analog to Digital Conversion (ADC)

at 2:01 am. Filed under Cool Gadgets, Educational

 

Bil Herd goes through a great Introduction to Analog to Digital Conversion. These days it is very simple to grab an analog reading and use it with a microcontroller with ease. This is because modern microcontrollers often have one or many ADC built in. Not that long ago a  would have been needed, this is still the case if a special ADC is needed for things such as high precision or very fast acquisition. Below you can see some items from the Microchip PIC 16 line of microcontrollers. This is just showing about a 5th of the available chips that can do ADC and it is sorted from cheapest to most expensive. Doesn’t take long looking at this chart to see that you can really get some big bang for the buck here. In volume the PIC 16F18323 will cost about $0.57 and this 14 pin count chip will give you 11 ADC inputs at a max resolution of 10 bits.

 

Microchip_ADC_Chips

 

 

 

 

 

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