Designed by Granz Scientific LLC, the SN1 Solar Node is an ESP32-C3-based IoT node/development board designed specifically for off-grid IoT projects. Development boards like Seeed Studio Wio Tracker, or industrial controllers like DFRobot LoRaWAN Control Terminal, allow you to handle your own battery management and weatherproofing, or on the other end, you have products like SenseCAP Solar Node P1 that come with everything integrated but do not allow adding custom hardware. This is where the SN1 Solar Node is different; it features an IP67-rated enclosure with an integrated solar panel on the lid, 18650 battery support, and prototyping strip-board areas for custom circuitry. It also includes a smart power switch that allows the battery to continue charging from the solar panel even when the board is powered off. Additionally, it provides battery voltage monitoring, breaks out most GPIOs for easy access, and includes optional jumpers for an onboard LED and […]
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Read more here: https://www.cnx-software.com/2026/04/07/sn1-solar-node-an-esp32-c3-based-board-with-ip67-enclosure-solar-charging-esphome-firmware/
