How to use Voltage Supervisors to protect ESP32, Raspberry Pi, and Batteries

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Computers crash if they do not have enough voltage. Li-Ion batteries could explode during charging if they were deeply discharged. How can we prevent such events? We need so-called voltage supervisors. Cheap parts with a big effect, which usually do their job in the dark. Let’s tear them to the light and protect your ESP32 or Arduino from not booting correctly and your Raspberry from a crash. We will use KA75330, KA75450, and TPS3839 for our experiments.

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Links:
Raspberry Pi4 US: https://amzn.to/3pP32HZ
Raspberry Pi4 DE: https://amzn.to/3avMgaG
KA75330: https://s.click.aliexpress.com/e/_DFh3FAT
KA75450: https://s.click.aliexpress.com/e/_DmK5e7p
TPS3839G33: https://s.click.aliexpress.com/e/_DlUdImr
Power Supply: https://amzn.to/3PykooI or http://bit.ly/2uG5mJR or https://s.click.aliexpress.com/e/_DeoZqEn
ESP32 Breadboard friendly: https://s.click.aliexpress.com/e/_DkWIMfD

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