Questions tagged [batteries]

For questions about the battery systems used to power IoT devices. Use this tag where the battery is the focus of the question, not just if your device HAS a battery.

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23
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7answers
1k views

How do I shut down IoT devices without a power button?

A lot of devices, such as connected fridges, security cameras, Raspberry Pis, Arduinos and my Nest thermostat don't have power buttons. What is the preferred way to disconnect them from power? What ...
19
votes
4answers
954 views

Battery backup for small IoT devices?

I'm making a number of small devices such as temperature sensors, RF433 transmitter and receiver (for controlling and receiving devices => MQTT) mostly using EPS8266. They work fine, and are USB ...