# No-Code Indoor Grow Monitor with PPFD and VPD Measurements ## Overview ![](https://cdn-learn.adafruit.com/assets/assets/000/140/080/medium800/temperature___humidity_hero-phone-plant-wide.jpg?1759276593 ) ## IoT Grow Monitor Fall is almost here. With temperatures falling, the basil and heirloom tomatoes that you have been growing in your garden to top your dinner with are moving back inside the house for winter._ But will they still grow? _  ## Remote Monitoring This project is a low-cost, easy to build internet-of-things (IoT) device that can help you to remotely monitor your indoor crops or exotic plants. Using Adafruit IO, you can remotely see your sensor data in real time on a mobile device giving you a visual user interface. ![](https://cdn-learn.adafruit.com/assets/assets/000/140/030/medium640/sensors_hero-IO-dash.jpg?1759176003) ## DIY 3D Printed Device The device is designed to be suspended in mid-air, so the no-contact thermometer is pointing towards the leaves or flowers of your plant.  The 3D printed case houses a couple of **sensors to calculate your plant's photosynthetic photon flux density (PPFD) and vapor pressure deficit (VPD).** **Knowing these data points can help optimize the yield of your indoor crops. ** ![](https://cdn-learn.adafruit.com/assets/assets/000/140/031/medium640/sensors_hero-device-plants.jpg?1759176161) ## WipperSnapper & Blockly Actions With Adafruit IO’s new Blockly Actions, you can drag and drop “blocks” to create advanced triggers.  **In this project you'll use “Math Blocks” to calculate the PPFD and VPD using advanced formulas and temperature sensor data.** With Wippersnapper, you can **easily setup your QT Py ESP32 device with I2C sensors all within the browser with no need for coding**. The Adafruit IO site is intuitive and will walk you through the process. ![](https://cdn-learn.adafruit.com/assets/assets/000/140/032/medium640/sensors_hero-actions.jpg?1759176310) ## Parts Featured ### Adafruit QT Py S3 with 2MB PSRAM WiFi Dev Board with STEMMA QT [Adafruit QT Py S3 with 2MB PSRAM WiFi Dev Board with STEMMA QT](https://www.adafruit.com/product/5700) The ESP32-S3 has arrived in QT Py format - and what a great way to get started with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this QT Py is great for powering your IoT projects. Now we even have this powerhouse of a board with built... Out of Stock [Buy Now](https://www.adafruit.com/product/5700) [Related Guides to the Product](https://learn.adafruit.com/products/5700/guides) ![Angled shot of purple, square-shaped microcontroller.](https://cdn-shop.adafruit.com/640x480/5700-06.jpg) Featured ### Adafruit MLX90632 FIR Remote Thermal Temperature Sensor [Adafruit MLX90632 FIR Remote Thermal Temperature Sensor](https://www.adafruit.com/product/6403) Remote infrared sensors are unique in their ability to measure something they are pointed at, but not touching, and we've been looking for a replacement for the [now-discontiued TMP007 for a few years](https://www.adafruit.com/product/2023). The  **Adafruit MLX90632...** In Stock [Buy Now](https://www.adafruit.com/product/6403) [Related Guides to the Product](https://learn.adafruit.com/products/6403/guides) ![Angled shot of black, rectangle-shaped FIR temperature sensor breakout.](https://cdn-shop.adafruit.com/640x480/6403-00.jpg) Featured ### Adafruit VEML7700 Lux Sensor - I2C Light Sensor [Adafruit VEML7700 Lux Sensor - I2C Light Sensor](https://www.adafruit.com/product/4162) Vishay has a lot of light sensors out there, and this is a nice simple lux sensor that's easy to add to any microcontroller. Most light sensors just give you a number for brighter/darker ambient lighting. The VEML7700 makes your life easier by calculating the lux, which is an SI unit for... In Stock [Buy Now](https://www.adafruit.com/product/4162) [Related Guides to the Product](https://learn.adafruit.com/products/4162/guides) ![Angled shot of lux sensor breakout.](https://cdn-shop.adafruit.com/640x480/4162-10.jpg) Featured ### Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor [Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor](https://www.adafruit.com/product/5187) Take a deep breath in...now slowly breathe out. Mmm isn't it wonderful? All that air around us, which we bring into our lungs, extracts oxygen from and then breathes out carbon dioxide. CO2 is essential for life on this planet we call Earth - we and plants take turns using and... In Stock [Buy Now](https://www.adafruit.com/product/5187) [Related Guides to the Product](https://learn.adafruit.com/products/5187/guides) ![Angled shot of Adafruit SCD-40 - NDIR CO2 Temperature and Humidity Sensor.](https://cdn-shop.adafruit.com/640x480/5187-08.jpg) ### STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long quantity: 2 [STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long](https://www.adafruit.com/product/4399) This 4-wire cable is 50mm / 1.9" long and fitted with JST SH female 4-pin connectors on both ends. Compared with the chunkier JST PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert and remove. In Stock [Buy Now](https://www.adafruit.com/product/4399) [Related Guides to the Product](https://learn.adafruit.com/products/4399/guides) ![Angled of of JST SH 4-Pin Cable.](https://cdn-shop.adafruit.com/640x480/4399-00.jpg) ### STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long [STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long](https://www.adafruit.com/product/4210) This 4-wire cable is a little over 100mm / 4" long and fitted with JST-SH female 4-pin connectors on both ends. Compared with the chunkier JST-PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert and remove. In Stock [Buy Now](https://www.adafruit.com/product/4210) [Related Guides to the Product](https://learn.adafruit.com/products/4210/guides) ![Angled shot of STEMMA QT / Qwiic JST SH 4-pin Cable.](https://cdn-shop.adafruit.com/640x480/4210-00.jpg) ### Blue USB Type C to USB A Cable with 540 Degree Rotating End [Blue USB Type C to USB A Cable with 540 Degree Rotating End](https://www.adafruit.com/product/6278) Some days we're feeling extra fancy here at the 'fruit warehouse, and we have a big soft spot for colorful cables that make our projects look like Transformers. Like, peep [this fully reversible pink/purple Blinka-inspired cable](https://www.adafruit.com/product/4111).... Out of Stock [Buy Now](https://www.adafruit.com/product/6278) [Related Guides to the Product](https://learn.adafruit.com/products/6278/guides) ![Angled Shot of the Blue USB Type C to USB A Cable with 540 Degree Rotating End 1m.](https://cdn-shop.adafruit.com/640x480/6278-07.jpg) ## Hardware  The following hardware fasteners are required to assemble this project. - 4x M3 x 16mm long machine screws - 8x M3 x 6mm long machine screws - 6x M2.5 x 6mm long machine screws - 2x M3 hex nuts Featured ### Black Nylon Machine Screw and Stand-off Set – M2.5 Thread [Black Nylon Machine Screw and Stand-off Set – M2.5 Thread](https://www.adafruit.com/product/3299) Totaling 380 pieces, this **M2.5 Screw Set**  is a must-have for your workstation. You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies for days on end! M2.5 size screws fit almost all of the Adafruit breakout/dev board mounting holes... In Stock [Buy Now](https://www.adafruit.com/product/3299) [Related Guides to the Product](https://learn.adafruit.com/products/3299/guides) ![Black Nylon Screw and Stand-off Set with M2.5 Threads, kit box](https://cdn-shop.adafruit.com/640x480/3299-00.jpg) Featured ### Black Nylon Machine Screw and Stand-off Set – M3 Thread [Black Nylon Machine Screw and Stand-off Set – M3 Thread](https://www.adafruit.com/product/4685) Totaling **420 pieces** , this **M3 Screw Set**  is a must-have for your workstation. You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies for days on end! M3 size screws fit a number of Adafruit breakout/dev board... In Stock [Buy Now](https://www.adafruit.com/product/4685) [Related Guides to the Product](https://learn.adafruit.com/products/4685/guides) ![Opened box showing many nylon screws](https://cdn-shop.adafruit.com/640x480/4685-01.jpg) - [Next Page](https://learn.adafruit.com/no-code-indoor-grow-monitor/cad-files.md) ## Guide Products ### Adafruit QT Py S3 with 2MB PSRAM WiFi Dev Board with STEMMA QT [Adafruit QT Py S3 with 2MB PSRAM WiFi Dev Board with STEMMA QT](https://www.adafruit.com/product/5700) The ESP32-S3 has arrived in QT Py format - and what a great way to get started with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this QT Py is great for powering your IoT projects. Now we even have this powerhouse of a board with built... Out of Stock [Buy Now](https://www.adafruit.com/product/5700) [Related Guides to the Product](https://learn.adafruit.com/products/5700/guides) ### Adafruit MLX90632 FIR Remote Thermal Temperature Sensor [Adafruit MLX90632 FIR Remote Thermal Temperature Sensor](https://www.adafruit.com/product/6403) Remote infrared sensors are unique in their ability to measure something they are pointed at, but not touching, and we've been looking for a replacement for the [now-discontiued TMP007 for a few years](https://www.adafruit.com/product/2023). The  **Adafruit MLX90632...** In Stock [Buy Now](https://www.adafruit.com/product/6403) [Related Guides to the Product](https://learn.adafruit.com/products/6403/guides) ### Adafruit VEML7700 Lux Sensor - I2C Light Sensor [Adafruit VEML7700 Lux Sensor - I2C Light Sensor](https://www.adafruit.com/product/4162) Vishay has a lot of light sensors out there, and this is a nice simple lux sensor that's easy to add to any microcontroller. Most light sensors just give you a number for brighter/darker ambient lighting. The VEML7700 makes your life easier by calculating the lux, which is an SI unit for... In Stock [Buy Now](https://www.adafruit.com/product/4162) [Related Guides to the Product](https://learn.adafruit.com/products/4162/guides) ### Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor [Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor](https://www.adafruit.com/product/5187) Take a deep breath in...now slowly breathe out. Mmm isn't it wonderful? All that air around us, which we bring into our lungs, extracts oxygen from and then breathes out carbon dioxide. CO2 is essential for life on this planet we call Earth - we and plants take turns using and... In Stock [Buy Now](https://www.adafruit.com/product/5187) [Related Guides to the Product](https://learn.adafruit.com/products/5187/guides) ### STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long [STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long](https://www.adafruit.com/product/4399) This 4-wire cable is 50mm / 1.9" long and fitted with JST SH female 4-pin connectors on both ends. Compared with the chunkier JST PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert and remove. In Stock [Buy Now](https://www.adafruit.com/product/4399) [Related Guides to the Product](https://learn.adafruit.com/products/4399/guides) ### STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long [STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long](https://www.adafruit.com/product/4210) This 4-wire cable is a little over 100mm / 4" long and fitted with JST-SH female 4-pin connectors on both ends. Compared with the chunkier JST-PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert and remove. In Stock [Buy Now](https://www.adafruit.com/product/4210) [Related Guides to the Product](https://learn.adafruit.com/products/4210/guides) ### Blue USB Type C to USB A Cable with 540 Degree Rotating End [Blue USB Type C to USB A Cable with 540 Degree Rotating End](https://www.adafruit.com/product/6278) Some days we're feeling extra fancy here at the 'fruit warehouse, and we have a big soft spot for colorful cables that make our projects look like Transformers. Like, peep [this fully reversible pink/purple Blinka-inspired cable](https://www.adafruit.com/product/4111).... Out of Stock [Buy Now](https://www.adafruit.com/product/6278) [Related Guides to the Product](https://learn.adafruit.com/products/6278/guides) ### Black Nylon Machine Screw and Stand-off Set – M2.5 Thread [Black Nylon Machine Screw and Stand-off Set – M2.5 Thread](https://www.adafruit.com/product/3299) Totaling 380 pieces, this **M2.5 Screw Set**  is a must-have for your workstation. You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies for days on end! M2.5 size screws fit almost all of the Adafruit breakout/dev board mounting holes... In Stock [Buy Now](https://www.adafruit.com/product/3299) [Related Guides to the Product](https://learn.adafruit.com/products/3299/guides) ## Related Guides - [Adafruit VEML7700 Ambient Light Sensor](https://learn.adafruit.com/adafruit-veml7700.md) - [Adafruit SCD-4x - True CO2 Temperature and Humidity Sensors](https://learn.adafruit.com/adafruit-scd-40-and-scd-41.md) - [Adafruit QT Py ESP32-S3](https://learn.adafruit.com/adafruit-qt-py-esp32-s3.md) - [Adafruit MLX90632 FIR Remote Thermal Temperature Sensor](https://learn.adafruit.com/adafruit-mlx90632-fir-remote-thermal-temperature-sensor.md) - [Minecraft GPS Compass](https://learn.adafruit.com/minecraft-gps-compass.md) - [How to Make Animated Graphics for Hologram Displays](https://learn.adafruit.com/how-to-make-animated-graphics-for-hologram-displays.md) - [Adafruit Feather RP2040 with USB Type A Host](https://learn.adafruit.com/adafruit-feather-rp2040-with-usb-type-a-host.md) - [Kitty Toe Bean Keypad with Color TFT](https://learn.adafruit.com/kitty-toe-bean-paw-keypad-color-tct.md) - [Adafruit KB2040](https://learn.adafruit.com/adafruit-kb2040.md) - [Adafruit EyeLights LED Glasses and Driver](https://learn.adafruit.com/adafruit-eyelights-led-glasses-and-driver.md) - [Adafruit CH552 QT Py](https://learn.adafruit.com/adafruit-ch552-qt-py.md) - [Espresso Water Tank Meter](https://learn.adafruit.com/espresso-water-tank-meter.md) - [Remote Control Candy Dispenser Ghost](https://learn.adafruit.com/ble-claw.md) - [RGB LED Matrix Cube with 25,000 LEDs](https://learn.adafruit.com/rgb-led-matrix-cube-for-pi.md) - [No-Code MagTag Every Day Goal Tracker](https://learn.adafruit.com/no-code-magtag-every-day-goal-tracker.md) - [Darth Faders](https://learn.adafruit.com/darth-faders.md) - [Adafruit Feather RP2040 RFM95](https://learn.adafruit.com/feather-rp2040-rfm95.md) - [LED Masquerade Masks with n00ds](https://learn.adafruit.com/led-masquerade-masks-with-n00ds.md) - [Knobby Sequencer](https://learn.adafruit.com/knobby-sequencer.md)