E-ink Display

Owned by James Hughes
Last updated: Jul 14, 2021
1 min read

This is based on an existing project that reaches out to www.openweathermap.org for weather and forecast data. I’ll be overlaying my sensor data for the current conditions.

Project code can be found at https://github.com/G6EJD/ESP32-e-Paper-Weather-Display

Operation

Wakes and gets subscription data from mqtt broker every 30 minutes

Pinout requirements (existing and new layout general purpose low power PCB design)

Pin Number (header)

ESP function

ESP32 v1 dev board reference (all on same row)

Raw ESP32 header

Pin Number (header)

ESP function

ESP32 v1 dev board reference (all on same row)

Raw ESP32 header

1

3V3

1

3V3

2

GND

2

GND

3

D2

4

IO2

4

RX2

6

IO16

5

TX2

7

IO17

6

D5

8

IO5

7

D18

9

IO18

8

D23

15

IO23

 

Photo of ESP32 v1 dev board interconnect

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