BrainDead MPPT Solar charger 35V/8A
Photovoltaic

BrainDead MPPT Solar charger 35V/8A

Simple solar charger 35V/8A with automatic MPPT supporting SLA/Li-Ion/LiFePO4 up to 8s. by Adam Lučanský: PCB DIN-rail mountable MPPT solar charger (software-less), as well as ideal-diode prioritizer (if battery is full, load is powered directly from solar panel without cycling...

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LiFePO4wered/Solar1 – Solar power supply for IoT devices
Photovoltaic

LiFePO4wered/Solar1 – Solar power supply for IoT devices

Patrick Van Oosterwijck @ hackaday.io writes: Solar power is not trivial, especially if it needs to be reliable and have a long lifetime for outdoor deployment such as IoT sensor nodes. This project is an effort to create a complete, easy to use solar power system that provides the...

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3643
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“DIY LiFePO4 Charger” Challenge by Elektor
DIYPower supply

“DIY LiFePO4 Charger” Challenge by Elektor

A new challenge is posted on Elektor, for building a charger project for 3.6-V single-cell lithium iron phosphate (LiFePO4), a kind of Li-Ion rechargeable battery for high power applications, such as EV car , Power Tool and RC hobby. Elektor magazine has so many DIY projects about battery...

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LiFePO4wered/Pi – LiFePO4 battery for Raspberry Pi
Raspberry Pi

LiFePO4wered/Pi – LiFePO4 battery for Raspberry Pi

Patrick Van Oosterwijck has published a LiFePO4 battery solution for Raspberry Pi that will also act as UPS power supply: The project is built on top of a LiFePO4wered/USB module. A small board is added with an MSP430G2131 microcontroller that takes care of monitoring input and...

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6357
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PIC24 bedside table alarm clock
Mcu

PIC24 bedside table alarm clock

Markus Gritsch posted pictures and code of his PIC24 bedside table alarm clock: Another year, another clock, but for the first time for my alarm clocks. I am not using an MSP430 but a PIC24 instead. Standby current is with 5.5 µA only slightly higher than that of my MSP430 based...

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3871
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LiFePO4 charger
USB

LiFePO4 charger

Markus Gritsch shared his LiFePO4 charger project in the forum: Since I really like using LiFePO4 AA and AAA batteries in some of my projects, I finally gave in and built a dedicated charger for them. Previously I used a lab power supply to mimic the constant current/constant...

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5149
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Buck battery charger handles multiple chemistries
IC

Buck battery charger handles multiple chemistries

by Susan Nordyk @ edn.com: The LTC4015 synchronous step-down battery charger controller from Linear Technology offers charge current of up to 20 A, multiple-chemistry operation, and onboard digital telemetry. The controller transfers power from a variety of input sources, such as...

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