E-Paper (or E-Ink) displays are remarkable devices. They require very little power when up-dating and no power at all once updated. The also provide a paper like contrast and clarity. Which is why they were adopted by e-readers a long time ago. Here we look at hooking them up to ESP32’s.
Using one of these screens with an ESP32 is very easy and requires little change over using then with an Arduino except that the connections are different. This article should be used in conjunction with the video below. The ConnectionsThe SDA connection goes to pin 21 and the SCL to […]
Video and small article on how to connect up cheap (none brand) ILI9341 TFT LCD displays to your Arduino.
Arduino full Colour “ECG” Heart rate and blood oxygen level display using just 1 sensor.
In this article we look at the problem of I²C devices that have the same address and how we can still talk to them individually within our circuit by using an additional cheap IC.
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