ESP8266 Internet Clock, Weather Station and Information Display
Another quick project. Quick - because I had almost everything ready. The only thing I had to learn is JSON and HTML parsing from the internet sources.
Features:
- my old ESP-01 module which I finally found good application for (now you can buy better cheap ESPs)
- 6x LEDMatrix module with MAX7219 driver
- supplied directly from USB port thanks to convenient 3.3V voltage regulator with USB plug
- all data are synchronized every 7-8 minutes
- time and date are taken from google.com
- weather informations are grabbed from openweather.org JSON api
- currency rates are grabbed from HTML page
- in the future also other news and infos grabbing can be possible
- no hardware RTC clock is necessary
- no temperature, humidity or pressure sensor
Connections are pretty trivial:
- DataIn to GPIO2
- Load/CS to GPIO1
- Clk to GPIO0
- CH_PD connect to VCC via pullup resistor 10kohm
- 100nF capacitor soldered between VCC and GND
- both resistor and capacitor are soldered directly to ESP8266 module
- 3.3V is taken from voltage regulator module with USB plug, connect it to free VCC/GND pins in last LED Matrix
- soldered extra VCC line between last and first matrix module (to avoid voltage drop)
Source code is available here:
https://drive.google.com/drive/folders/0B_jncvz2HAYCUXhQd1ZreG5vaVk?usp=sharing
NOTE: Recently added support for rotated LED Matrices
Polish version of the display here: https://www.youtube.com/watch?v=Ep6EWlercxY
My other project with ESP8266 and LED Matrix:
https://www.youtube.com/watch?v=gOBVPhPVUdA
MUCH BETTER VERSION OF THIS PROJECT WITH EXTRA FEATURES (10.02.2017):
https://www.youtube.com/watch?v=PUOhUyLCIU8
Видео ESP8266 Internet Clock, Weather Station and Information Display канала cbm80amiga
Features:
- my old ESP-01 module which I finally found good application for (now you can buy better cheap ESPs)
- 6x LEDMatrix module with MAX7219 driver
- supplied directly from USB port thanks to convenient 3.3V voltage regulator with USB plug
- all data are synchronized every 7-8 minutes
- time and date are taken from google.com
- weather informations are grabbed from openweather.org JSON api
- currency rates are grabbed from HTML page
- in the future also other news and infos grabbing can be possible
- no hardware RTC clock is necessary
- no temperature, humidity or pressure sensor
Connections are pretty trivial:
- DataIn to GPIO2
- Load/CS to GPIO1
- Clk to GPIO0
- CH_PD connect to VCC via pullup resistor 10kohm
- 100nF capacitor soldered between VCC and GND
- both resistor and capacitor are soldered directly to ESP8266 module
- 3.3V is taken from voltage regulator module with USB plug, connect it to free VCC/GND pins in last LED Matrix
- soldered extra VCC line between last and first matrix module (to avoid voltage drop)
Source code is available here:
https://drive.google.com/drive/folders/0B_jncvz2HAYCUXhQd1ZreG5vaVk?usp=sharing
NOTE: Recently added support for rotated LED Matrices
Polish version of the display here: https://www.youtube.com/watch?v=Ep6EWlercxY
My other project with ESP8266 and LED Matrix:
https://www.youtube.com/watch?v=gOBVPhPVUdA
MUCH BETTER VERSION OF THIS PROJECT WITH EXTRA FEATURES (10.02.2017):
https://www.youtube.com/watch?v=PUOhUyLCIU8
Видео ESP8266 Internet Clock, Weather Station and Information Display канала cbm80amiga
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