

Green detect 3
Opensource Wireless Sensor Network Platform
- Size
- 145 × 105 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 55
- Nets
- 35
- Pads
- 157
- Tracks, vias
- 458, 54
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 27 Jun 2022
- Updated
- 12 Jul 2022
Overview
Green detect 3 is an open-source printed circuit board by Green-bms, from the Green-bms/GreenDetect repository on GitHub. It is a 2-layer board of 145 × 105 mm with 55 parts on 35 nets, routed with 458 tracks and 54 vias.
It is built around the WEMOS D1 MINI, AO3400A and BC857, with the PMBT2222 and TIP42C among its other parts. Its parts include 17 resistors, 6 diodes, 6 fuses, 4 transistors and 4 connectors. It belongs with the sensors and measurement boards and the ESP8266 boards of this library.
Main components
5WEMOS D1 MINI
A mini wifi board with 4MB flash based on ESP-8266EX, hardware version 4.0.0.LolinUncategorisedAO3400A
SOT-23-55℃~+150℃ 1 N-channel 1.45V 1.4W 30V 48mΩ@2.5V 5.7A 50pF 630pF 75pF 7nC@10V N-Channel SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETsBC857
SOT-231 PNP 100MHz 100mA 15nA 200mW 45V 5V 650mV 800 PNP SOT-23 Bipolar (BJT) ROHSSTMicroelectronicsBipolar (BJT)PMBT2222
SOT-231.6V 100 10nA 250MHz 250mW 30V 600mA NPN SOT-23 Bipolar (BJT) ROHSNexperiaBipolar (BJT)TIP42C
TO-220-3L-55℃~+150℃ 1 PNP 1.5V 100V 2W 30 3MHz 400uA 5V 6A PNP TO-220-3L Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
README.mdGreenDetect
Opensource Wireless Sensor Network Platform (WSN) , for enviromental monitoring
Description
Green Detect project was created with the aim of providing the community with a tool to monitor and control the environment.
The Green Detect network is independent of the Internet, so it can work even in geographic areas where the Internet is not present.
In the Green Detect local network it is possible to connect from 1 to 60 sensors that transmit their data via wireless through the ESP-NOW protocol to a computer where through the Green Detect application it is possible to monitor each individual sensor, detect alarm conditions, locate the sensors in an animated geographic map and record all acquisitions in order to collect all data for preventive and statistical purposes.
Each individual sensor module is powered by a supercapacitor (or Nimh batteries) charged by a solar panel.

Green Detect is Opensource: anyone can modify and improve the project, for example by adding new types of sensors.
Web site
The project is described in detail at the following link: : https://hackaday.io/project/186064-green-detect
Youtube presentation
https://youtu.be/CE9HRHpV6fQ Subscribe please... :smile:
Open source Development applications
The project was created using the following Open source applications:
- KiCad : to design sensor module
- Arduino IDE : to design the code of sensor module (ESP8266)
- Visual Studio : to design WIndows application in C# language
- TinkerCad : to design sensors and solar panel case for 3D printer
Green Detect Windows application source code
The source code of Windows application is shared in the following repository: https://github.com/Green-bms/GreenDetect-Windows-Application
Warning
This project is not commercial. This project is for educational and technological purposes. No warrenty is foreseen. Green BMS assumes no responsibility for any errors or inaccuracies that may appear in any documentation or file or any software that may be provided. The use of this project is done entirely at your own risk and responsibility. The use of this project may not be compliant with local laws or regulations.
Open Source Hardware Certification
Green Detect has been certified as open source hardware by the Open Source Hardware Association, with the UID: IT000009. Certificate link: (https://certification.oshwa.org/it000009.html)
License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. https://creativecommons.org/licenses/by-sa/4.0/
You are free to:
Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material for any purpose, even commercially. This license is acceptable for Free Cultural Works. The licensor cannot revoke these freedoms as long as you follow the license terms.
Under the following terms:
Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
Notices:
You do not have to comply with the license for elements of the material in the public domain or where your use is permitted by an applicable exception or limitation. No warranties are given. The license may not give you all of the permissions necessary for your intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.
Parts
55| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | Hole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4, H5, H6 |
| 6 | clip | green_detect:fuse_pad_littelfuse_01110505Z | F1_1, F1_2, F2_1, F2_2, F3_1, F3_2 |
| 4 | 47 | Resistor_SMD:R_1206_3216Metric | R14, R15, R16, R17 |
| 3 | 1k | Resistor_SMD:R_1206_3216Metric | R9, R18, R21 |
| 3 | 4,7K | Resistor_SMD:R_1206_3216Metric | R2, R4, R5 |
| 3 | D_Schottky | Diode_SMD:D_SMA | D2, D3, D4 |
| 3 | LED | LED_SMD:LED_1206_3216Metric | D1, D5, D6 |
| 2 | 560 | Resistor_SMD:R_1206_3216Metric | R11, R13 |
| 2 | Conn_01x08 | Connector_Phoenix_MC:PhoenixContact_MCV_1,5_8-G-3.5_1x08_P3.50mm_Vertical | J2, J3 |
| 1 | 100nF | Capacitor_SMD:C_1206_3216Metric | C2 |
| 1 | 10uF | Capacitor_SMD:C_1206_3216Metric | C1 |
| 1 | 150 | Resistor_SMD:R_1206_3216Metric | R6 |
| 1 | 1K | Resistor_SMD:R_1206_3216Metric | R3 |
| 1 | 2K | Resistor_SMD:R_1206_3216Metric | R1 |
| 1 | 2K | Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical | RV1 |
| 1 | 3,3K | Resistor_SMD:R_1206_3216Metric | R7 |
| 1 | 400F | green_detect:Supercap_400f_horiz | C3 |
| 1 | 6,8k | Resistor_SMD:R_1206_3216Metric | R8 |
| 1 | AO3400A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | BC857 | Package_TO_SOT_SMD:SOT-23 | Q3 |
| 1 | Button1 | green_detect:SW_TL3305AF260QG | SW1 |
| 1 | Button2 | green_detect:SW_TL3305AF260QG | SW2 |
| 1 | Conn_01x02 | Connector_Phoenix_MC:PhoenixContact_MCV_1,5_2-G-3.5_1x02_P3.50mm_Vertical | J1 |
| 1 | Heatsink_Pad | green_detect:Heatsink_Fischer_FK24413D2PAK_26x13mm | HS1 |
| 1 | MAX8815_01_board | max8815_01_bis:Max8815_01_board | U2 |
| 1 | MCP3221A5T-I_OT | green_detect:SOT95P280X145-5N | U4 |
| 1 | Micro-USB-B | green_detect:MOLEX_1051330001 | J4 |
| 1 | PMBT2222 | digikey-footprints:SOT-23-3 | Q4 |
| 1 | SW_DIP_x04 | Button_Switch_SMD:SW_DIP_SPSTx04_Slide_9.78x12.34mm_W8.61mm_P2.54mm | SW4 |
| 1 | Supercap clip hole | MountingHole:MountingHole_4.3mm_M4 | H7 |
| 1 | TIP42C | Package_TO_SOT_SMD:TO-252-2 | Q2 |
| 1 | WeMos_D1_mini | Module:WEMOS_D1_mini_light | U1 |
Questions
How big is the Green detect 3 PCB?
It measures 145 × 105 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Green detect 3 use?
55 parts, built around the WEMOS D1 MINI, AO3400A, BC857 and PMBT2222. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Green detect 3 KiCad files?
From the Green-bms/GreenDetect repository on GitHub, at the commit this page was made from: the board is 00 Module PCB Kicad files/green_detect_3.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Green detect 3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Green-bms before reusing the design.
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