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Haoyu W

The core of the negotiation is people-oriented, not interest.

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This user joined on 03/04/2020.

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Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

LutetiumLutetium

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The lead-acid batteries of my off-grid solar system are dead. I will replace them by a 18650 batteries stack housed in a big wooden box.
Project Owner Contributor

A 110 kWh Powerbucket

Michel KuenemannMichel Kuenemann

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Embedded BASIC interpreter for CC2540 and CC2541 Bluetooth LE modules
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BlueBasic: BASIC for Bluetooth

Tim WilkinsonTim Wilkinson

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33
Building a Spot Welder for 18650 battery packs is an interesting and challenging adventure. How to over-engineer a spot welder.
Project Owner Contributor

DIY Spot Welder for Creating Battery Packs

Timo BirnscheinTimo Birnschein

7.5k
6.1k
2
40
Track and Trace anything with the Arduino AnyTracer of only 25 x 25 mm! It is the smallest, complete GPS GSM tracker in the entire world.
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Arduino AnyTracer

addydejaddydej

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The Arduino Nano Quick Project. Develop Everywhere.
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Arduino Nano QP

Alain MauerAlain Mauer

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Ease and cheap Traffic Counter
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Traffic Counter - Road Tube

Kris TemmermanKris Temmerman

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The Arduino Pi is a single board computer based on Arduino platform.
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Arduino Pi: an Arduino computer for developers.

bijtajbijtaj

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The do's and dont's of salvaging rechargeable cells
Project Owner Contributor

Salvaging 18650s For Projects

Dante RoumegaDante Roumega

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This boombox sounds pretty loud. 2x50 W speakers running on DIY 18650 Li-Ion battery pack salvaged from old laptop batteries. In a wine box.
Project Owner Contributor

100 W portable bluetooth speaker

esenesesenes

3.4k
2.9k
1
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Smartphone Bluetooth controlled toy
Project Owner Contributor

Smartphone Bluetooth controlled toy

nochkinnochkin

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1.3k
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Blast your enemies from a safe distance !!!
Project Owner Contributor

Bluetooth Nerf turret

little french kevlittle french kev

1.8k
15
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This is my own take/design of Tesla's "PowerWall" Home solar battery
Project Owner Contributor

DIY "Tesla PowerWall" 18650 Solar Bank

luthy319luthy319

1.2k
1.3k
5
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An Arduino based pocket-sized bluetooth controller for your electric longboard (or else)
Project Owner Contributor

Electric longboard bluetooth controller (handy)

elmametoelmameto

596
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Testing temperature rise of Samsung INR18650-25R cells under load and the effects of water cooling.
Project Owner Contributor

18650 Cell Cooling Experiments

RoryRory

131
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Design 18650 pcb for protect battery, step up voltage,charge
Project Owner Contributor

18650 Power Supply

InDreamInDream

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