| Electronics > Projects, Designs, and Technical Stuff |
| Simple battery meter in raspi project |
| (1/1) |
| PhelarNord:
Hi! I´m in need of a simple battery meter for device that needs to tell its battery status over a ip network. The device loads a raspi so i´ll use this one for the input...and on to the network. I dont want to use the i2c or the spi intefaces so im now left with the gpio´s. So, what i came up with was the LM339 and four of the raspi's gpio´s. I´ll get four voltage thresholds to display battery health. Now i wonder if there is even a easier way to do this with even less of the gpios or another smart way to use them that i missed, another ic maybe? Cheers |
| viperidae:
A ds2450, 1 gpio and the w1-gpio kernel driver |
| PhelarNord:
The DS2450 is a great idea, but it´s obsolete, right? |
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