# Sproutlink > Sproutlink is a WiFi soil moisture sensor and smart plant monitoring system. It uses wireless ESP32-C6 sensors and a WiFi gateway to track soil moisture, temperature, humidity, and light in real time. The companion web app at sproutlink.io provides a live dashboard, configurable push and email alerts, AI-powered plant care chat, historical charts, and a plant sitter sharing mode. Sproutlink works as a standalone smart garden system or alongside Home Assistant and other smart home platforms. ## Product Sproutlink is a wireless soil moisture sensor system consisting of two hardware components and a web app: - **Sproutlink Sensor**: A wireless ESP32-C6 soil moisture sensor (Thread Sleepy End Device) that measures soil moisture, temperature, humidity, light, and battery level. Battery-powered, updates every 15 minutes. Designed for indoor and outdoor use in pots, raised beds, and garden soil. - **Sproutlink Gateway**: An ESP32-C6 Thread Border Router and WiFi bridge. Plugs into USB-C and relays sensor data to the cloud via WiFi. Supports multiple sensors on a single gateway. - **Sproutlink Web App** (sproutlink.io): A Progressive Web App built with Next.js. Real-time soil moisture dashboard, smart alerts (push and email), AI plant care chat (powered by Claude), historical sensor charts, and plant sitter mode for sharing with caretakers. ## Use Cases - Indoor plant monitoring (houseplants, herbs, succulents) - Garden and raised bed soil moisture tracking - Greenhouse environmental monitoring - Automated watering decision support - Smart home integration alongside Home Assistant - Plant sitting and remote monitoring while traveling ## Pricing - **Free**: 2 sensors, 7-day history, push alerts — $0/month - **Basic**: 10 sensors, 30-day history, push + email alerts — $4.99/month or $49.99/year - **Pro**: Unlimited sensors, 90-day history, push + email alerts, AI plant care, plant sitter mode — $8.99/month or $89.99/year ## Where to Buy Sproutlink WiFi soil moisture sensors and gateways are available on Etsy: https://www.etsy.com/shop/Gibs3DCreations Direct link to the sensor kit: https://www.etsy.com/listing/4467289411/smart-plant-monitor-kit-wifi-gateway ## Technical Specs - Microcontroller: ESP32-C6 (sensor and gateway) - Wireless protocol: Thread (802.15.4) between sensor and gateway, WiFi for cloud connectivity - Sensors: Capacitive soil moisture, SHT40 (temperature + humidity), LTR-329 (ambient light) - Power: Battery-powered sensor (rechargeable), USB-C powered gateway - Update interval: 15 minutes (configurable) - Cloud: Firebase Realtime Database - App: Next.js PWA hosted on Vercel ## Links - Website: https://sproutlink.io - Pricing: https://sproutlink.io/pricing - Setup Guide: https://sproutlink.io/setup - Where to Buy: https://sproutlink.io/where-to-buy - Contact: GibzPrintz3D@gmail.com