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Weather Display

Visualize current weather data on an LC display

Weather Display
Weather Display
Labs Project
Based on a Labs project | August 2017 | Find it here
Good weather data is more extensive than what is displayed by low-cost desktop devices that show the air temperature, air pressure and relative humidity on a monochrome LCD along with the time. A modern microcontroller with suitable peripherals can now quickly fetch the relevant and current data from the Internet and present the results in color, along with a realistic weather forecast.
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Materials

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PCB

Component list

Component List
Resistors
R1–R4 = 1.5kOhm, SMD0805
Capacitors
C1,C2,C5,C6 = 10µF 16V, SMD1206
C3 = 100µF 16V, SMD2312
C4 = 100nF 50V, X7R, SMD0805
Semiconductors
IC1,IC2 = LD1117DT33, LDO, 3.3V, 800mA
Miscellaneous
LCD1 = 2.2" TFT module, 220x176 pixel, with ILI9225 (eBay) *
MOD1 = ESP-12E (ESP8266 WLAN module) *
CN7,CN10 = 38-pin (2x19) stacking header, vertical
K1 = 5-pin (1x5) pinheader, right angle
K2 = micro USB type B female, PCB mount, horizontal
S1 = pushbutton, SPDT, 6x6mm pitch
BT1 = CR2032 lithium button cell, 3V, with 20mm battery holder
PCB 1600157-1 V1.3 (Elektor Store)
ST Nucleo F411RE board
Components for Nucleo modification *
C33,C34 = 22pF 50V, SMD 0603
X3 = 16MHz crystal for 18pF load
* See text

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