Apollo Automation
Apollo Automation PLT-1 Plant Sensor – WiFi, Home Assistant compatible
Apollo Automation PLT-1 Plant Sensor – WiFi, Home Assistant compatible
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The Apollo Automation PLT-1 is a versatile indoor plant multisensor designed for Home Assistant users who want precise, automated plant care.
It measures soil moisture, air temperature, humidity, LUX, and UV, and features an onboard piezo buzzer and addressable RGB LED for notifications. The optional soil temperature probe adds even more monitoring capability.
- Capacitive Soil Moisture Sensor: Delivers accurate, durable readings with a conformal coating for longevity.
- AHT20-F Air Temperature & Humidity Sensor: Dust-protected for reliable air condition tracking.
- LTR390 UV & LUX Sensor: Ensures your plants get optimal light and UV exposure.
- RGB LED & Piezo Buzzer: Visual and audio alerts for plant care events.
- Optional DS18B20 Waterproof Soil Temperature Probe: For precision soil temperature monitoring (20 cm / 7.8 inches).
- Battery and Non-Battery Versions: Flexible power options (battery not included).
- Home Assistant Integration: Easily automate and monitor plant health through your smart home system.
Use Cases:
- Automated Watering: Set up automations to water plants only when moisture drops below a threshold.
- Optimizing Sunlight Exposure: Monitor and automate window shades or grow lights based on LUX/UV readings.
- Temperature & Humidity Management: Adjust indoor climate controls for ideal growing conditions.
- Soil Temperature Monitoring: Use the optional probe for temperature-sensitive plants.
- Visual & Audio Alerts: Program the RGB LED and buzzer for actionable notifications.
Notes:
The battery version (PLT-1B) requires a user-supplied rechargeable 18650 battery and charger. Battery life is estimated at 6 months (quality battery, default settings). The USB-powered version is significantly smaller.
Specifications
Specifications
What's in the Box?
Assembled sensor with case, Apollo sticker.
Links & Downloads
Links & Downloads
Support Links
Apollo Automation Documentation
Good sources for batteries
USA: https://imrbatteries.com/products/samsung-35e-18650-3500mah-8a-battery
EU: https://www.nkon.nl/

















About Apollo Automation

About WiFi
One of the key benefits of Wi-Fi is its ability to handle large amounts of data and support multiple devices simultaneously. Unlike Bluetooth or Zigbee, which are designed for low-power applications, Wi-Fi excels when it comes to bandwidth-intensive tasks such as streaming video, downloading large files, or managing real-time security feeds. This makes it an excellent choice for smart home devices that require constant connectivity or significant data transfer, including video doorbells, smart TVs, and home automation hubs. With Wi-Fi 6 and other advancements, Wi-Fi technology is continuously evolving, delivering faster speeds, reduced latency, and improved range, ensuring your devices can maintain a reliable connection even in larger or densely-built homes.
The integration of Wi-Fi in smart devices promotes a user-friendly experience through mobile apps and voice control, allowing you to manage your smart home at your fingertips. With a strong Wi-Fi connection, you can access and control all your devices remotely, set automation routines, and monitor your home for security or energy efficiency. However, the reliance on broadband internet means that any disruptions to your connection can affect the performance of your smart devices. Nevertheless, as smart home technology evolves, Wi-Fi remains an essential element, enabling enhanced connectivity, flexibility, and the ability to create truly integrated environments that adapt to your lifestyle.