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roberts.trops

Electronics engineer

Ventspils, Latvia

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This user joined on 08/01/2014.

My Projects

Mostly made out of old PC parts

Scrap built mini laser engraver

robertstrops roberts.trops

Using near-infrared in near-space. High altitude balloon for Global Space Balloon Chanlenge

IRBE-1 (InfraRed Balloon Experiment)

robertstrops roberts.trops

Made to expose photoresist PCBs in UV light

UV exposure box

robertstrops roberts.trops

Turning budget class Motorola E smartphone into fairly usable portable microscope-ish device with minimal effort.

Motorola E macro lens attachment

robertstrops roberts.trops

555 timers? Where we are going we don't need 555 timers. Joule thief turned into a light sensitive buzzer

Nightscreech (dead-simple buzzer)

robertstrops roberts.trops

The goal is to add an infrared receiver to a low-end audio DAC and control the volume optical audio channel using TV remote.

Adding IR control to cheap audio DAC

robertstrops roberts.trops

Projects I Like & Follow

The 2017 Hackaday Prize

Pi Zero-based open-source mobile phone (that you can assemble for 50$ in parts)

ZeroPhone - a Raspberry Pi smartphone

Google's $1300 Chromebook Pixel has an awesome screen. i only want the screen.

Megapixy: a 13" Retina-class screen on a boom arm.

The 2016 Hackaday Prize

Creating a design for a CNC that is easy to replicate and suitable for diverse drives.

Self replicating CNC for 194 (or more) countries

norbert-heinz Norbert Heinz

Official Hackaday Prize Entry

OneCharger to rule them all; solar-panel, TEG, dynamo...

1Charger

The 2017 Hackaday Prize

You know VFD, but may not know this VFD. It can amplify signal!! Yes, it is a TRIODE!!

Amplifier project by Nutube, a new vacuum tube!

Surf the web using an Arduino and an ethernet shield. Because you can.

PIP Arduino Web Browser

ED-64 will be an 8-bit computer built with discrete components, and will feature a ferrite core memory (documented as a separate project).

ED-64: A discrete 8-bit computer

andrew-starr Andrew Starr

A desktop version of an F16 cockpit, for use with the Falcon 4 BMS flight sim.

F16 Desktop Cockpit

casey-banner Casey Banner

SATtiny is a solar Circuit Sculpture in a form of a satellite with blinking LEDs with optimized current consumption to last all night long.

SATtiny

ricardo-sappia Ricardo Sappia

The Pixel Drop Ceiling is a Bluetooth, Arduino powered, Computer controlled, RGB, Drop Ceiling

The Pixel Drop Ceiling

After the E, There was She. A Small Expandable 65c816 computer

SheMachine

Growing food in the Munich Maker Lab.

Hydroponic Garden

From a box of parts to a working desktop gantry style CNC mill

Building Shapeoko 2

adam-fabio Adam Fabio

The 2016 Hackaday Prize

Eagle files used to convert SMT chips to DIP format for use in breadboard prototyping.

SMT to DIP Breakout Boards

kevin-neubauer Kevin Neubauer

The PIC32 programmable Vref generator can be used as a 4-bit DAC with a bandwidth of >200kHz. Good enough for speech playback.

Reference voltage output plays WAV files on PIC32

bruce-land Bruce Land

Bits