RGB Sensor’s New Job: Cryptocurrency Trade Advisor

RGB Sensor’s New Job: Cryptocurrency Trade Advisor

[XenonJohn] dabbles in cryptocurrency buying and selling, and when he noticed a possibility to purchase an RGB shade sensor, his speedy thought — which he admitted to us would in all probability not be the speedy considered most conventional individuals — was that he may level it to his laptop computer display and have it […]

Electronic ColorChord Turns Color Into Sound

Electronic ColorChord Turns Color Into Sound

[Dr. Cockroach] has delighted us once more with one other of his circuits on cardboard. He calls it steampunk impressed, and whereas we guess we will see what he’s getting at, it’s extra like a candy instance of clever lifeless bug development. He calls it the ColorChord. Point its picture cells at a shade and it’ll […]

Casting Tour-De-Force Results In Swashplate For Scale Helicopter

Casting Tour-De-Force Results In Swashplate For Scale Helicopter

While quadcopters appear to draw all the eye of the second, spare some love for the rotary-wing plane that began all of it: the helicopter. Quads might summary away a lot of the aerodynamic issues confronted by different rotorcraft techniques via utilizing software program, however the helicopter has to resolve these issues mechanically. And they’re […]

An E-Bike Battery Pack Without Spot Welding

An E-Bike Battery Pack Without Spot Welding

In considerably of a departure from their regular fare of heavy metallic mods, [Make It Extreme] is engaged on a battery pack for an e-bike that has some fascinating design options. The guts of the pack are just about what you’d anticipate – recovered 18650 lithium-ion cells. They don’t go into particulars, however we assume the […]

Sunny Custom Keyboard Illuminates the Past

Sunny Custom Keyboard Illuminates the Past

Ever marvel why keyboard quantity pads and phone dials have reversed layouts? Theories abound, however probably the most believable one is that, shrug, it simply occurred that approach. And now we’re caught with it. Well, that reply’s not ok for [Jesse], so he punched up his own keyboard design that combines the golden years of […]

A Different Use For Microwave Oven: Melting Aluminum

A Different Use For Microwave Oven: Melting Aluminum

Microwave ovens are a treasure trove of helpful components: transformers, an HV capacitor, a piezo speaker, and a excessive torque motor, to call just some. In a brand new twist, [Rulof Maker] strips all that out and makes use of simply the metallic case to make a furnace for melting aluminum, copper and bronze. His warmth supply is […]

Ken Shirriff Found Butterflies In His Op-Amp

Ken Shirriff Found Butterflies In His Op-Amp

In 1976, Texas Instruments got here out with the TL084, a 4 JFET op-amp IC every with comparable circuitry to Fairchild’s very fashionable single op-amp 741. But though the 741 has been coated in detailed, when [Ken Shirriff] centered his microscope on a TL084, he found some very interesting things. To keep away from utilizing […]

PIC Powered PicoBat Picks Up Pulsed Power

PIC Powered PicoBat Picks Up Pulsed Power

In 2012, [Bruno] needed to detect some bats. Detect bats? Some forms of bat (primarily the descriptively named “microbats”) find themselves and their prey in area utilizing echolocation, the identical means your first robotic in all probability did. The bat emits chirps from their adorably tiny larynx the identical means a human makes use of […]

No Caffeine, No Problem: A Hand-Soldered Chip-Scale Package

No Caffeine, No Problem: A Hand-Soldered Chip-Scale Package

It’s stated that the digital units we use each day, significantly cell telephones, could possibly be a lot smaller than they’re if solely the people they’re designed for weren’t so darn huge and clumsy. That’s solely a part of the story — battery know-how has rather a lot to do with general gadget dimension — […]

Dust to Dust and Jello to Jello: the Journey of a Very Strange Knife

Dust to Dust and Jello to Jello: the Journey of a Very Strange Knife

How do you are feeling about Jello? It’s alright tasting, however it’s way more about how jiggly it will get. Nobody — most likely — would eat Jello if it was a tough sweet. It would shortly develop into restricted to the bowl of strawberry candies that Grandma at all times appears to have. How […]