CSR Labs - High Availability with home hardware

DIY ZigBee Energy Monitor based on PZEM-004T

The PZEM-004T is a module designed for measuring voltage, current, power, energy and frequency in AC electrical systems. It can be used to monitor the power consumption of appliances and other electrical devices, and it is widely used in smart home, industrial control, power metering and other fields.

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Raspberry Pi CM4 Dual Ethernet Card

Waveshare CM4 dual ethernet mini

Despite its small size and limited resources if compared to a full featured computer, a Raspberry Pi can indeed act as a real server.

One of the key benefits of using a Raspberry Pi as a server is its low cost and small form factor.
This makes it an ideal …

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Backup of a live Raspberry Pi system

Raspberry Pi live backup

A live backup of a Raspberry Pi refers to making a copy of the entire system while it is still running and all of its files are in use. This can be useful because it allows you to capture the exact state of the system at the time the backup …

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LiFePO4 battery balancer (BMS) for low power systems

LiFePO4 BMS Battery Balancer

Lithium-ion batteries, including LiFePO4 batteries, have a tendency to develop an imbalance between the cells during charging and discharging. This is because the cells in a battery pack may not be perfectly matched in terms of their capacity, resistance, and other characteristics. As a result, some cells may end up …

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Setup and optimize the Raspberry Pi as a server

Raspberry Pi 4

The Raspberry Pi is a small and affordable computer that was initially designed as an educational tool for teaching computer science and programming to students. However, due to its versatility and low cost, the Raspberry Pi has also gained popularity as a reliable industrial device.

One of the reasons why …

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