Hacked Gadgets Forum

October 9, 2016

DIY 1500 Watt Lab Power Supply

at 6:28 pm. Filed under DIY Hacks

 

 

A power supply is the heart of any good electronics lab. Hansaka Perera built his instead of purchasing one. It sure has a ton of bells and whistles. I don’t think I have seen a supply that shows what it is pulling from the wall, the LCD display in the center of his shows the total draw from the wall plug. The case of the supply is very nice and makes the supply look very professional. There are still a few bugs that need to be ironed out such as an LCD display that gets corrupted in some modes. There is also lots of customization that is to come. When looking inside the unit you can see that if anything the case could have been a bit larger to fit all of the electronics.

 
The case was ordered from China, it didn’t have any holes in the front but it kicked off his need for a CNC router which is a nice addition to his shop.


October 7, 2016

Raspberry Pi Vehicle Accident Alert System

at 9:56 pm. Filed under Cool Gadgets, DIY Hacks

 

SVS Embedded has built a nice proof of concept. It has a ton of peripherals hanging off the Raspberry PI. The system uses a vibration sensor and accelerometer to determine if an car accident has occurred. An LCD display reads out the information for the user. GPS captures the location of the incident and transmits it to a cell phone using a SMS transmission using the cellular radio.

 

 


October 3, 2016

PID Motor Speed Controller Example

at 10:24 pm. Filed under DIY Hacks, Educational, Electronic Hacks

 

SomethingUnreal has built a simple system to demonstrate how a PID Motor Speed Controller works. The system is spinning a piece of cardboard on a toy DC motor. The motor is powered by an H Bridge. An optical sensor provides feedback to the system so that it can see the actual speed and adjust the H Bridge accordingly. The software running on the PC is very nice as it allows for lots of variable playing and graphical output so you can see what the system is doing.

 

 


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