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Personal First Aid Kit for Hostile Environments
Secret door bookcase
I have 4 12volt batteries in series making a 48 volt battery bank. I need to measure each 12 volt battery. Are the outputs of these voltage dividers isolated so not to short out the arduino? I'd be using 4 voltage dividers and one arduino uno.
SMS mailbox notifier on the cheap
Ultra Small portable power supply
Solar Powered Raspberry Pi
Build your own Variable Lab Bench Power Supply
ARDUINO MPPT SOLAR CHARGE CONTROLLER (Version-3.0)
System is Down Detector
Rasp and Pepper Tree Knife
DIY Hacking your own Home Automation System
Raspberry Pi remote webcam
Dog Wearables (Live Streaming Dog Camera)
Raspberry Pi as low-cost HD surveillance camera