KevinMidboe/ESP-Plant-Logger
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Kevin
2019-05-07 19:55:48 +02:00
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@@ -40,12 +40,12 @@ The number at the end is the baud rate (it's a measure of symbol rate and is one
### Transfering files to the chip ### Transfering files to the chip
We use ampy again with the following command: ` ` We use ampy again with the following command: ` `
Some important behaviour: ## Some important behaviour:
- boot.py is called where we can setup e.g. sensors, pins and wifi. - boot.py is called where we can setup e.g. sensors, pins and wifi.
- main.py is always called after boot is finished, this will most oftenly be the execution start of our program. - main.py is always called after boot is finished, this will most oftenly be the execution start of our program.
(More details can be found here) (More details can be found here)
Tricks: ## Tricks:
- os.listdir() - os.listdir()
- machine.Timer use for timeouts without normal time package. - machine.Timer use for timeouts without normal time package.
- ntptime to get universal time. Also our offset - ntptime to get universal time. Also our offset
@@ -61,14 +61,14 @@ Tricks:
epochTime = ntpTime + NTP_OFFSET epochTime = ntpTime + NTP_OFFSET
``` ```
- - -
# Notes
First prototype has a ESP8266[0][1] strapped on a soil moisture sensor [2]. The the small form factor, easily flash-able firware and gpio pins made the ESP8266 a great fit for the task. The main focus is the try transmit the soil moisture of a plant to an elasticsearch endpoint. Kibana is used to visialize the time since laste watered compared to the soil moisture. First prototype has a ESP8266[0][1] strapped on a soil moisture sensor [2]. The the small form factor, easily flash-able firware and gpio pins made the ESP8266 a great fit for the task. The main focus is the try transmit the soil moisture of a plant to an elasticsearch endpoint. Kibana is used to visialize the time since laste watered compared to the soil moisture.
Using micropython to interface with the pins and it makes it easy to send json data to our elastic endpoint. Using micropython to interface with the pins and it makes it easy to send json data to our elastic endpoint.
Guide on how to flash your esp8266 with micropython can be found here: . Guide on how to flash your esp8266 with micropython can be found here: .
Excecution path: ## Excecution path:
+ boot.py - Start with setting up wifi + boot.py - Start with setting up wifi
+ main.py - Import logger. Call watercontent() + main.py - Import logger. Call watercontent()
+ watercontent.py + watercontent.py
@@ -76,8 +76,8 @@ Excecution path:
- logMoisture inputs this value and after getting the ntp time is, sets up a json payload and sends it to logger. - logMoisture inputs this value and after getting the ntp time is, sets up a json payload and sends it to logger.
+ elasticLog.py - inputs json payload and sends it to elastic endpoint using urequests. + elasticLog.py - inputs json payload and sends it to elastic endpoint using urequests.
Measuring the power draw: ## Measuring the power draw:
Log interval 10 seconds using sleep ### Log interval 10 seconds using sleep
04.05.19 04.05.19
19:47 - 0 mAh 19:47 - 0 mAh
20:09 - 10 mAh 20:09 - 10 mAh
@@ -87,14 +87,14 @@ Measuring the power draw:
06.05.19 06.05.19
22:30 - 556mAh 22:30 - 556mAh
Log interval 30 seconds using deepsleep[3][4] ### Log interval 30 seconds using deepsleep[3][4]
22:30 - 0 mAh 22:30 - 0 mAh
00:01 - 5 mAh 00:01 - 5 mAh
07:36 - 30 mAh 07:36 - 30 mAh
16:58 - 65 mAh 16:58 - 65 mAh
TODO: ## TODO:
- Special characters ÆØÅ seem to not be supported. - Special characters ÆØÅ seem to not be supported.
- Wifi and elastic settings should be in a config - Wifi and elastic settings should be in a config
- [Research] Get a better understanding of how our code executes - [Research] Get a better understanding of how our code executes
@@ -102,12 +102,12 @@ TODO:
Notes: ## Meta notes:
Deepsleep ### Deepsleep
If the code execution takes 100ms right before entering deepsleep there will be no time to connect and upload any new files to the chip. Remember to either have a your program check if a known digital pin is set to high which can act as a cutoff of main program execution by placing a jumper between power* and the known pin. Another way to allow a way of still interfacing with the board is by using machine.Timer[5][6] to create a callback to main function, all while giving us a window to interface or stop execution, delayed by a set interval e.g. 3 seconds. If the code execution takes 100ms right before entering deepsleep there will be no time to connect and upload any new files to the chip. Remember to either have a your program check if a known digital pin is set to high which can act as a cutoff of main program execution by placing a jumper between power* and the known pin. Another way to allow a way of still interfacing with the board is by using machine.Timer[5][6] to create a callback to main function, all while giving us a window to interface or stop execution, delayed by a set interval e.g. 3 seconds.
* Double check that this should not be to ground pin. * Double check that this should not be to ground pin.
Wemos D1 ESP8266 Pin for deepsleep ### Wemos D1 ESP8266 Pin for deepsleep
While most documentation says to connect RESET/RST to pin D8 (physical ping 16), this does not apply to this board. Instead us pin D0 (physical pin 4)! While most documentation says to connect RESET/RST to pin D8 (physical ping 16), this does not apply to this board. Instead us pin D0 (physical pin 4)!
[0] WTF is ESP8266 [0] WTF is ESP8266