https://github.com/xorrbit/growdammit

Garden thing
https://github.com/xorrbit/growdammit

Last synced: 3 months ago
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Garden thing

• Host: GitHub
• URL: https://github.com/xorrbit/growdammit
• Owner: xorrbit
• License: mit
• Created: 2017-05-04T03:06:41.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-06-08T02:43:08.000Z (over 7 years ago)
• Last Synced: 2024-04-12T22:13:57.651Z (7 months ago)
• Language: KiCad
• Size: 41 KB
• Stars: 3
• Watchers: 2
• Forks: 0
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-hacking-lists - xorrbit/growdammit - Garden thing (KiCad Layout)

README

        
# growdammit

Garden thing, logs temperature, humidity, soil moisture, and ambient light.

Prototype:

![growdammit prototype](http://i.imgur.com/rfPmIEe.jpg)

Prototype graph from logging overnight:

![growdammit prototype graph](https://i.imgur.com/FM1RWV9.png)

## Design

### Circuit

![schematic](schematic.png)

#### Analog Multiplexer

* E (6) connected to GND

* GND (8) connected to GND

* S1 (9) connected to GND

* S0 (10) connected to ESP D3 (GPIO0)

* A0 (12) connected to ambient light SIG

* AN (13) connected to ESP AD0

* A1 (14) connected to soil moisture SIG

* VCC (16) connected to 3.3v

![blah](https://i.imgur.com/D2DNbd4.png)

#### Soil Moisture Sensor

* SIG pin connected to mux 14 (A1)

* GND pin connected to GND

* VCC pin connected to D2 (GPIO4)

#### Ambient Light Sensor

* SIG pin connected to mux 12 (A0)

* GND pin connected to GND

* VCC pin connected to D1 (GPIO5)

#### Temperature and Humidity Sensor

* GND pin connected to GND

* 3.3V pin connected to 3.3V

* DA pin connected to D6 (GPIO12)

* CL pin connected to D5 (GPIO14)

## Parts list

* ESP8266 12E Dev Board

* Soil Moisture Sensor

* Temperature and Humidity Sensor

* Ambient Light Sensor

* Analog Multiplexer

* Solar Buddy

* Solar Panel

* Lipo

* Transistors

# Datasheets

## ESP8266 Dev Board

* Development Docs: https://arduino-esp8266.readthedocs.io/en/latest/index.html

* Product link: https://www.banggood.com/Geekcreit-Doit-NodeMcu-Lua-ESP8266-ESP-12E-WIFI-Development-Board-p-985891.html

* Getting started with Arduino IDE guide: http://www.instructables.com/id/Programming-the-ESP8266-12E-using-Arduino-software/

* USB Driver: http://www.chinstruments.com/downloads.shtml

* Pinout: http://www.kloppenborg.net/images/blog/esp8266/esp8266-node-mcu-pinout.png

![blah](http://www.kloppenborg.net/images/blog/esp8266/esp8266-node-mcu-pinout.png)

## Soil Moisture Sensor

* Product link: https://www.sparkfun.com/products/13322

* Schematic: https://cdn.sparkfun.com/datasheets/Sensors/Biometric/SparkFun_Soil_Moisture_Sensor.pdf

* Hookup guide: https://learn.sparkfun.com/tutorials/soil-moisture-sensor-hookup-guide

## Temperature and Humidity Sensor

* Product link: https://www.sparkfun.com/products/13763

* Schematic: https://cdn.sparkfun.com/datasheets/Sensors/Weather/SparkFun_Si7021_Breakout.pdf

* Datasheet: https://cdn.sparkfun.com/datasheets/Sensors/Weather/Si7021.pdf

* Hookup guide: https://learn.sparkfun.com/tutorials/si7021-humidity-and-temperature-sensor-hookup-guide

* Libraries: https://github.com/sparkfun/Si7021_Breakout/tree/master/Libraries

## Ambient Light Sensor

* Product link: https://www.sparkfun.com/products/8688

* Datasheet: https://www.sparkfun.com/datasheets/Sensors/Imaging/TEMT6000.pdf

* Hookup guide: https://learn.sparkfun.com/tutorials/temt6000-ambient-light-sensor-hookup-guide

## Analog Multiplexer

* CD74HC4052E

* Product ink: https://www.digikey.ca/product-detail/en/texas-instruments/CD74HC4052E/296-9217-5-ND/376770

* Datasheet: https://www.ti.com/lit/ds/symlink/cd74hc4051.pdf

## Solar Buddy

* Product link: https://www.sparkfun.com/products/12885

* Schematic: https://cdn.sparkfun.com/datasheets/Prototyping/SunnyBuddy-v13a.pdf

* Datasheet: https://cdn.sparkfun.com/datasheets/Prototyping/LT3652.pdf

* Hookup guide: https://learn.sparkfun.com/tutorials/sunny-buddy-solar-charger-v13-hookup-guide-

## 2W Solar Panel

* Product link: https://www.sparkfun.com/products/13781

## Lipo

## Transistors

* Datasheet: https://cdn.sparkfun.com/datasheets/Components/General/BC337.pdf