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The Raspberry Pi is a credit-card sized computer that plugs into your TV and a keyboard. There have been several generations of the device with improved performance, more memory, and more connectivity. This tag should be used for electrical engineering questions that involve the use of a Raspberry Pi. For questions about the Raspberry Pi itself see the Raspberry Pi specific forum (raspberrypi.stackexchange.com).

1 vote

powering 12v LED strip + raspberry + servo with 1 12v battery

My 12V LED strips use about 6W per meter, and the Pi will use about 2.1-3W depending onload. So expect a 9W load. It's certainly possible, but it will be more reliable with a 47uF decoupling capacitor …
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7 votes
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Solar watering system for greenhouse

Use a 12V lead-acid battery, it's easier to charge safely. Ditch the pi, it's a 5W waste. Use an arduino instead. If you need wireless link, use an ESP8266 and not an arduino, the ESP8266 can be progr …
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