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Tim Gremalm

I’m a creator, maker, hacker from Sweden. I love creative challenges.

Sweden - Göteborg
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14 Following
5 Projects
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tim-gremalm
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This user joined on 04/15/2014.

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Chalmers Robotics
3.4k
2.1k
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DIY Moving Head Spotlight PAR RGB-LED
Project Owner Contributor

Festivalljus

tim-gremalmTim Gremalm

1.2k
42
6
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The ultimate Party-Packback with integrated PA-system, Lighting and DJ-booth.
Project Owner Contributor

Festmaskinen

tim-gremalmTim Gremalm

941
789
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A radio-controlled trashcan for an event against littering on the streets.
Project Owner Contributor

go:toTrash

tim-gremalmTim Gremalm

699
30
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An automated fireworkslaucher.
Project Owner Contributor

Explodet

tim-gremalmTim Gremalm

956
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disables the built in buzzer in microwave oven with Windows XP startup sound
Project Owner Contributor

µMute

tim-gremalmTim Gremalm

11.3k
378
1
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Let's solve this badge! Join this team to share and discuss the DEF CON 26 Badge
Project Owner Contributor

DEF CON 26 Official Badge Hacking

lutetiumLutetium

749
21
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robotics, design, electronic, machining and programming
Project Owner Contributor

Chalmers Robotics

tim-gremalmTim Gremalm

Things I've Built

Explodet

An automated fireworkslaucher. 8 outputs, activated by realy to a PB-battery. The outputs can be activated in sequence. It's driven by a small computer running WIndows XP ^^

Festmaskinen

The ultimate Party-Packback with integrated PA-system, Lighting and DJ-booth. The four 10"-speakers and tweo piezo-speakers are driven by an Class-D amplifier.

go:toTrash

A radio-controlled trashcan for an event against littering on the streets. It's driven by 2 BLDC-servos and have an integrated speaker driven by ab RPi running mumble VoIP-server, Voice-effects by Jack Rack.

149.8k
1.1k
53
881
High Power, High Performance 400V 300A 100+kW Motor Controller fully compatible with VESC®
Project Owner Contributor

Axiom: 100+kW Motor Controller

marcosMarcos

100.2k
1.4k
18
487
Affordable and open-source LiDAR based on 3x VL53L0X ranging sensor
Project Owner Contributor

xLiDAR

jrodrigoJRodrigo

79.8k
971
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An open-source, 3D printed, high precision robotic arm with trainability
Project Owner Contributor

Dexter

haddington-dynamicsHaddington Dynamics

51.9k
314
18
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An Open Source Software Defined Oscilloscope
Project Owner Contributor

ThunderScope

aleksaAleksa

40.4k
2.3k
30
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A tiny, low-cost, and scalable device for sub-millimetric 3D positioning.
Project Owner Contributor

HiveTracker

cedric-honnetCedric Honnet

23.4k
3.6k
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This motor driver is able to control a motor using PID by I2C. Taking precise control of a motor have never been so easy.
Project Owner Contributor

Smart Motor Driver for Robotics

danny-frDanny FR

21.6k
201
26
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I fancied making the smallest possible inspection bot I could and here is what I ended up with, measuring just 65x40x30mm!
Project Owner Contributor

Nano Fpv Tank Inspection Bot

ioxideIOXIDE

19.4k
202
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Your 3D content on a real PoV volumetric display, no glasses needed!
Project Owner Contributor

VVD: an open source Real 3D Volumetric Display

madaeonMadaeon

17.5k
58
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A 3D printed portal gun, which projects animated portals.
Project Owner Contributor

Interdimensional Portal Gun

daren-schwenkeDaren Schwenke

15.3k
1.6k
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Need a mini linear actuator that is easy to print and implement in your robotics DIY projects? We got you
Project Owner Contributor

3D printed mini linear actuator

giovanni-lealGiovanni Leal

13.1k
127
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Open Source Reconfigurable Robot Arm for Learning STEM. Make It Your Way!
Project Owner Contributor

Mug-O-Matic: A Modular Tiny CNC

michael-grahamMichael Graham

11.1k
96
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Dosing fertilizer for my tomatoes always went wrong. This aims to be an engineering fix for that.
Project Owner Contributor

Fertilize Home Grow the engineering way

janJan

8.3k
61
3
48
Fragment shader based video synthesizer with Control Voltage inputs. Built with Pi and GLSL.
Project Owner Contributor

Hypno Video Synthesizer (Sleepy Circuits)

ronald-sardarianRonald Sardarian

5.6k
53
2
48
USB Type C has up to 100W of charging capability, perfect for a multicell charger
Project Owner Contributor

Small Multicell USB Type C Charger

chris-hamiltonChris Hamilton

4.2k
1.4k
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This display accomplishes an impossible task : everyone, in all directions, has the impression that the display is following him !!!
Project Owner Contributor

Omnidirection Display

salahSalah

2.9k
20
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BLE/802.15.4 Low Power ePaper Display based on Nordic nRF52840.
Project Owner Contributor

Papyr nRF52840 ePaper Display

mahesh-venkitachalamMahesh Venkitachalam

2.2k
2.4k
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40
Reliable hardware designed by robots
Project Owner Contributor

SOL75 - a 3D customizer

francescoFrancesco

2k
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Connecting multiple keys to microcontroller's analog input may require complex set of resistors. Using current mirror simplifies things.
Project Owner Contributor

Two-Wire Matrix Keypad to Analog Input

lauri-pirttiahoLauri Pirttiaho

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Bits

Bharbour wrote 01/24/2018 at 01:58 • point

Thanks for liking my EL wire clock #EL Wire Clock 

  Are you sure? yes | no

danjovic wrote 05/02/2016 at 11:17 • point

Thanks for the Skull to #AT26-Chuck

  Are you sure? yes | no

Patrick Van Oosterwijck wrote 03/18/2016 at 15:55 • point

Thanks for the skull for my #LiFePO4wered/Pi project, I appreciate it! :)

  Are you sure? yes | no

Moritz Walter wrote 09/01/2014 at 10:03 • point
Thanks for the skull!

  Are you sure? yes | no

Tim Gremalm wrote 06/30/2014 at 14:13 • point
I think that you should read more about the term "hacker":
http://en.wikipedia.org/wiki/Hacker

  Are you sure? yes | no

WannaBeHacker wrote 06/30/2014 at 13:18 • point
Can you hack korean website?? If you can, i really need your help. please email me to jojaeug8204@hanmail.net

  Are you sure? yes | no

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