ANAVI Gardening uHAT is a low-cost, open source Raspberry Pi add-on board that helps you develop smart solutions for monitoring and growing plants.
ANAVI Gardening uHAT supports multiple sensors for soil moisture, temperature, humidity, barometric pressure, and light. Getting started is easy: just plug it into a Raspberry Pi with your bare hands and follow the instructions in the user manual. No soldering is necessary, and no tools are required.
ANAVI Gardening uHAT works with any Raspberry Pi single board computer (SBC) with a 40-pin header, including Raspberry Pi 4 and Raspberry Pi Zero W.
In addition, ANAVI Gardening uHAT officially supports the following sensor modules with capacitive soil-moisture sensors:
You can attach any other I²C device or sensor, but you will have to take care of their software integration.
ANAVI Gardening uHAT combines open hardware with free and open source software. The printed circuit board was designed with the free and open source tool KiCad. The first prototype was created in 2017, but it relied on resistive soil-moisture sensors, which were vulnerable to corrosion. After that, the project was put on hold for several years.
In 2021 we revived the project using Microchip’s MCP3002 analog-to-digital converter (ADC) and low-cost capacitive soil-moisture sensors made of corrosion-resistant materials.
ANAVI Gardening uHAT is available in three do-it-yourself kits.
|Starter Kit||Advanced Kit||Developer Kit|
|ANAVI Gardening uHAT||Yes||Yes||Yes|
|Capacitive soil-moisture sensors||Yes||Yes||Yes|
|Waterproof temperature sensor||No||No||Yes|
|USB-to-serial debug cable||No||No||Yes|
As with all ANAVI projects, ANAVI Gardening uHAT combines open source hardware with free and open source software:
There are literally hundreds of automated-gardening solutions on the market. Unlike the rest, ANAVI Gardening uHAT is simple, affordable, easy to use, and extremely powerful in the hands of a skilled maker. And if you’re new to the Raspberry Pi ecosystem, don’t worry. Not only is this project entirely open source, it is designed to help newcomers to the Raspberry Pi ecosystem get started easily, thanks to its thorough documentation and helpful sample code.
Over the years, we have delivered many open source hardware products. In the process, we have established a reliable supply chain that ensures consistently high quality. We work with trusted local factories in the EU. The printed circuit board of ANAVI Gardening uHAT has a green solder mask and a gold surface finish. Following the Raspberry Pi Foundation’s HAT (Hardware Attached on Top) specifications, the EEPROM on each board is carefully flashed. All features are manually tested, and each kit is packaged in a recyclable cardboard box.
"If like me you sometimes neglect your household plants a new Raspberry Pi ANAVI Gardening uHAT might be worth more investigation..."
"Anavi’s open-spec, $28 to $46 “Gardening uHAT” for the Raspberry Pi ships with soil moisture sensors and optional light, temperature/humidity, and waterproof temperature sensors."
"[Anavi's Gardening uHAT] offers interfaces for soil sensors and other environmental sensors allowing measurements of soil moisture, atmospheric pressure and humidity, temperature with a waterproof sensor, and light intensity for gardening applications."
Produced by ANAVI Technology in Plovdiv, Bulgaria.
Sold and shipped by Crowd Supply.
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