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Snowbird Power Systems

Reference builds

Wired, measured, written down.

Each build is a parts list, a wiring card, a sketch you can flash and the numbers we got. Copy one and change what you need.

An open weatherproof enclosure on a wooden post in a snowy alpine meadow, a Snowbird Feather 1S and a pouch cell mounted inside it, wired to a small solar panel angled toward the morning sun.
Feather 1S LiFePO4

Solar LoRa node

A Meshtastic-class LoRa node on a Snowbird Feather 1S with a 2000 mAh LiFePO4 cell and a 6 V panel, outdoors through a Kelowna winter.
A Snowbird Feather 1S with a plain microcontroller Feather stacked on top of it on black stacking headers, a pouch cell plugged into the lower board.
18650 LiFePO4

LiFePO4 Home Assistant sensor

An indoor temperature and humidity node on an ESP32 Feather, one 18650 LiFePO4 cell, months per charge, discovered by Home Assistant with no integration work.
A Snowbird Feather 1S resting on frosted dark stone at dawn, its amber charging LED lit, a pouch cell plugged in, winter light catching the gold castellations.
Core 1S LiSOCl2

LiSOCl2 ten-year sensor

A water-meter pulse counter on a Snowbird Core 1S soldered to its carrier, running a decade on one ER14505 bobbin cell in primary mode.