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‎README-en.md

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[日本語](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor) | [English](/README-en.md)
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# Plant Bioelectric Potential Sensor
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Plant Bioelectric Potential Sensor
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![Plant-Bioelectric-Potential-Sensor](/images/Plant-Bioelectric-Potential-Sensor.JPG)
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![Plant-Bioelectric-Potential-Sensor](/images/PlantBioelectricSensor_2.0.jpeg)
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## Overview
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This repository contains the circuit diagram and other information on the developed plant bioelectric potential sensor. The plant biopotential analyzer consists of a power supply/ADC module and a signal processing module.
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Signal processing diagrams and design principles are summarized [here (Japanese)](https://docs.google.com/presentation/d/1Tm0e-mBNrTchN6YlGpvvomUZfy79yOtrTSNHG-l_jFg/edit#slide=id.g15184a93673_0_74).
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This repository provides circuit diagrams and other documentation for the developed Plant Bioelectric Potential Sensor.
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This repository is part of the ["Open Plant Bioelectric Potential Measurement Project (Japanese)"](https://docs.google.com/presentation/d/1Tm0e-mBNrTchN6YlGpvvomUZfy79yOtrTSNHG-l_jFg/edit?usp=sharing).
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This repository is part of the “[Open Plant Bioelectric Potential Measurement Project](https://open-plant-bioelectric-potential-measurement.vercel.app).”
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You can donate to the project or purchase a set of PCB substrates and parts [here](https://kiyu-shop.booth.pm/items/4141049).
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Donations are highly appreciated to help sustain the project.
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You can support the project through donations or purchase PCB boards and parts sets [here](https://kiyu-shop.booth.pm).
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**Power supply・ADC module**
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![Plant-Bioelectric-Potential-Sensor-schematic](./schematic.png)
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<img src="./images/植物電位素材_2300-03.jpg" width="45%"/> <img src="./images/植物電位素材_ユーロブロックピン配置.png" width="45%"/>
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- [circuit](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/main/Power%20and%20ADC%20Module/images)
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- [Eagle project file](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/main/Power%20and%20ADC%20Module/Eagle)
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## Revision History
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**Signal processing module**
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### v1.0.0
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- [circuit](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/main/Signal%20Processing%20Module/images)
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- [Eagle project file](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/main/Signal%20Processing%20Module/Eagle)
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- Initial model
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<img src="./Power and ADC Module/images/circuit_power_module.png" width="45%"/> <img src="./Signal Processing Module/images/circuit_sp_module.png" width="45%"/>
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<img src="./images/device_PCB.JPG" width="45%"/> <img src="./images/device_modules.JPG" width="45%"/>
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<img src="./images/device_combine.jpeg" width="45%"/> <img src="./images/device_with_box.JPG" width="45%"/>
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### v1.1.0
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## Revision history
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- Reassigned component numbers
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- [Link](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/1f7dd3a86559b1f9ea93b5415610122e70b9b8db)
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### v1.0.0
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### v1.1.1
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- first model
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- [link](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/main/archive/v1.0)
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- Signal processing module
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- Polished the circuit diagram
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- Adjusted resistance values for some components
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### v1.1.0
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### v2.0
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- Renumbering of parts
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- [link](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/1f7dd3a86559b1f9ea93b5415610122e70b9b8db)
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- Enhanced expandability by aligning with the Arduino shield standard
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- Made significant changes to the circuit design
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### v1.1.1
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### v2.1
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- Signal Processing Module
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- re-drawings Schematic
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- Changed the value of some resistors
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## Requirement
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List of parts required for assembly of Plant Bioelectric Potential Sensor.
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※ The part numbers differ depending on the version. If the LED on the board of the signal processing module is printed as LED2, please refer to [here](./archive/v1.0/README.md).
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**Signal Processing Module**
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| Part | device name | Value / Type | Note |
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| ---- | ------------------------- | ------------ | ------------------------------------------------------------------------------ |
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| R1 | semi-fixed resistance | 50k | |
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| R2 | resistance | 10k | |
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| R3 | resistance | 1k | |
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| R4 | resistance | 10k | |
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| R5 | resistance | 10k | |
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| R6 | resistance | 100k | |
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| R7 | resistance | 68k | |
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| R8 | resistance | 10k | |
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| R9 | resistance | 1k | |
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| R10 | resistance | 10k | |
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| R11 | resistance | 10k | |
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| R12 | resistance | 1k | |
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| R13 | resistance | 10k | |
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| R14 | resistance | 100k | |
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| R15 | resistance | 4.7k | |
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| R16 | double potentiometer | 100k | [ref.](https://akizukidenshi.com/catalog/g/gP-12578/) |
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| R16 | knob | | |
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| C1 | ceramic capacitors | 0.1u | |
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| C2 | ceramic capacitors | 47p | |
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| C3 | ceramic capacitors | 47p | |
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| C4 | ceramic capacitors | 0.1u | |
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| C5 | ceramic capacitors | 0.1u | |
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| IC1 | operational amplifier | LM324 | [ref.](https://akizukidenshi.com/catalog/g/gI-14055/) |
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| IC1 | IC socket | 14P | |
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| IC2 | instrumentation amplifier | LT1167 | [ref.](https://akizukidenshi.com/catalog/g/gI-02789/) |
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| IC2 | IC socket | 8P | |
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| JP1 | pin header（male） | 5P | Taller ones recommended. [ref.](https://akizukidenshi.com/catalog/g/gC-09056/) |
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| LED | 3mm red LED | | |
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| U1 | 3.5mm stereo mini jack | MJ-354W-SG | [ref.](https://akizukidenshi.com/catalog/g/gC-15403/) |
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**Power Supply Module**
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| Part | device name | Value / Type | Note |
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| ------ | ---------------------- | ------------ | ------------------------------------------------------------------------------------------------------------------------------- |
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| R1 | resistance | 10k | |
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| R2 | resistance | 10k | |
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| C1 | electrolytic capacitor | 47u | |
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| C2 | ceramic capacitors | 0.1u | |
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| C3 | electrolytic capacitor | 47u | |
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| C4 | electrolytic capacitor | 47u | |
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| C5 | ceramic capacitors | 0.1u | |
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| DC1 | DC-DC converter | MAU106 | [ref.](https://akizukidenshi.com/catalog/g/gM-04133/) |
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| JP1 | pin header（female） | 5P | |
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| MODULE | Arduino | Nano | write [sketch](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/tree/main/Arduino%20Sketch/ADC_Serial_sender_1ch) |
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| MODULE | pin header（female） | 15P | |
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| MODULE | pin header（female） | 15P | |
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| MODULE | USB Cable for Arduino | | |
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**Measurement Cable**
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| Device Name | Value / Type | Need | Note |
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| ---------------------- | ------------ | ---- | ------------------------------------------------------------------ |
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| 3.5mm stereo mini plug | MP319 | 1 | |
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| wire | ~ 50cm | 3 | Easy to recognize if there are three colors: red, blue, and black. |
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| alligator clip | small | 3 | Easy to recognize if there are three colors: red, blue, and black. |
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| nail | | 1 | conductive one |
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| electrode pad | | 2 | Diversion of ECG pads, etc. |
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**Acrylic Box**
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| Device Name | Value / Type | Need | Note |
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| --- | --- | --- | --- |
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| acrylic parts | 2mm thick | 1 set | for 6 sides |
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| nylon screw | M2*5mm | 4 | 6mm is acceptable, for fixing bottom panel |
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| nylon screw | M2*5mm | 4 | 5mm to 12mm is acceptable, for fixing the top panel |
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| spacer | M2*6+6mm | 4 | between bottom panel and signal processing module |
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| spacer | M2*15+6mm | 4 | between signal processing module and power supply module|
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| spacer | M2\*20mm | 4 | between power module and top panel|
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- Changed the DC-DC converter from MAU106 to MAU108
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- Enabled measurements within the full range of the Arduino ADC (0–5V)
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## Usage
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## Requirements
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List of components required to assemble the Plant Bioelectric Potential Sensor
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This repository is a part of ["Open Plant Bioelectric Potential Measurement Project."](https://docs.google.com/presentation/d/1Tm0e-mBNrTchN6YlGpvvomUZfy79yOtrTSNHG-l_jFg/edit?usp=sharing)
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**Measurement Board**
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In combination with the following repositories associated with the project, it is possible to measure plant bioelectric potential.
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Refer to the circuit diagram.
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- Plant Bioelectric Potential Sensor : https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor
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- Measurement Application : https://github.com/kiyu-git/Arduino-Serial-Plot-Recorder
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- Analyze Application : https://github.com/kiyu-git/Arduino-Sensor-Data-Viewer
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- Automation of lighting : https://github.com/kiyu-git/Arduino-Python-Serial-Control-Example
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**Measurement Cables**
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For more information on measuring plant bioelectric potential, please click [here](https://docs.google.com/presentation/d/1Tm0e-mBNrTchN6YlGpvvomUZfy79yOtrTSNHG-l_jFg/edit#slide=id.g15184a93673_0_264).
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| Device Name | Value / Type | Quantity | Notes |
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| ------------------ | ------------ | -------- | ----------------------------------------------------------- |
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| Euroblock Terminal | | 1 | |
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| Wire | ~50 cm | 3 | Using red, blue, and black wires is recommended for clarity |
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| Alligator Clips | Small | 3 | Using red, blue, and black clips is recommended for clarity |
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| Nail | | 1 | Must be conductive |
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| Electrode Pads | | 2 | ECG pads or similar can be used |
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## Usage
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Example of plant bioelectric potential measurement
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![Plant-Bioelectric-Potential-Measurement](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/raw/main/images/Plant-Bioelectric-Potential-Mearurement.jpeg)
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This repository is part of the “[Open Plant Bioelectric Potential Measurement Project](https://open-plant-bioelectric-potential-measurement.vercel.app).”
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## Reference
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### Example of Plant Bioelectric Potential Measurement
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<iframe width="560" height="315" src="https://www.youtube.com/embed/kBemMpVNFAs?si=k8SLGgCpc5z7__u_" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
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## References
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- Forest Symphony: [https://special.ycam.jp/interlab/projects/forestsymphony.html](https://special.ycam.jp/interlab/projects/forestsymphony.html)
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- LT1167 DataSheet: https://www.analog.com/media/en/technical-documentation/data-sheets/1167fc.pdf
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- [and more...](https://docs.google.com/presentation/d/1Tm0e-mBNrTchN6YlGpvvomUZfy79yOtrTSNHG-l_jFg/edit#slide=id.g148acf8fd66_1_54)
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- [And more...](https://docs.google.com/presentation/d/1Tm0e-mBNrTchN6YlGpvvomUZfy79yOtrTSNHG-l_jFg/edit#slide=id.g148acf8fd66_1_54)
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## Donation
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You can donate to the project from [here](https://kiyu-shop.booth.pm/items/4141049).
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Donations are highly appreciated to help sustain the project.
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You can support the project through donations [here](https://kiyu-shop.booth.pm/items/4141049).
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## Author
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If you have any question, please write [issues](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/issues) or contact from twitter.
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For inquiries, contact via Twitter or [Issues](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/issues).
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twitter: https://twitter.com/kyu_yukirinrin
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Twitter: https://twitter.com/kyu_yukirinrin
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website: https://untamable.work
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Website: https://untamable.work
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## License
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[GPL-3.0 license](https://github.com/kiyu-git/Plant-Bioelectric-Potential-Sensor/blob/main/LICENSE)
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If you wish to use our works for commercial purposes, please contact us via twitter DM or our website.
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※ We also welcome collaborative research and project requests. Please contact us via Twitter DM or the website.

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