All Questions
Tagged with diy solar-cell
9 questions
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How to improve my son's solar bobble head [closed]
My son has a minecraft solar bobble head (in this case a bobble Steve). Under light it swings a diamond sword this exact one (Puckator Officially Licensed Minecraft Steve Solar Pal https://amzn.eu/d/...
1
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0
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169
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How to prevent a nichrome wire from melting under variable energy?
I’m experimenting with a DIY “sand battery”.
The “battery” is a pot lined inside with an insulator and filled with sand. The sand is heated by a nichrome wire placed at the bottom. The wire is ...
- 111
1
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1
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76
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Ground wires from two solar charger/inverter systems connected to vehicle chassis at different points. Reasonable?
Two separate solar charger/inverter systems will be installed on a camper, each with a separate ground connected at two separate points on the chassis. Is this logical? The likelihood of them ...
- 2,181
1
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2k
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Off-grid solar panel setup for estimated 15kWh daily consumption
I am planning to setup an off-grid solar panel system.
I've read Off-grid solar setup, but I am looking for clarification on my understanding on how to go about it in the most cost-efficient way.
I ...
- 5,885
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2
answers
260
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DIY charger: solar panels in series or in parallel?
I am working on a DIY project where I am thinking of using a small solar panel to charge my iPhone.
I know iPhone chargers usually are 5 W, 5V at 1 A.
I can see two small, portable, and easily ...
- 180k
0
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2
answers
231
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Solar-powered DC motor for mini fountain
I'm working on a small water fountain that's powered by solar panels, and I would love some help identifying a root cause for a water pump dying. This is my build so far:
Water pump
Solar panels
I ...
- 152k
-1
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1
answer
156
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Combining Solar Panels Safely
I have a solar panels, with 5v with a 200ma output, I have it so this goes to a charge module which allows 3.7v lithium batteries to charge without exploding on me. If i hook another solar panel, same ...
- 16.8k
2
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3
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4k
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An appropriate voltage regulator / limiter for a 5V solar panel for USB charging?
I'm building a USB solar charger for my tablet, which has so far worked well.
I'm using a 5 Volt, 5 watt solar panel (same as this one), which outputs about 4.5V and 0.6A in real use when charging my ...
- 315k
0
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2
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811
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How do I get 12V 260mAh from 4x 6V 130mAh solar cell panels?
I'm trying to figure out how to build a DIY micro irrigation system for my small greenhouse. A part of that task is to figure out how I can charge 8 AA batteries using solar panels.
I've found a set ...
- 741