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MAX30102 pulse and heart-rate monitor sensor and ESP8266

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PAJ7620 gesture sensor and ESP8266

The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9 human hand gesticulations such as moving up, down, left, right, forward, backward, circle-clockwise, circle-counter clockwise, and waving.

It also offers built-in proximity detection in sensing approaching or departing object from the […]

The Wemos IR controller shield

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Wemos 1.44“ inch TFT LCD shield examples

In this example we look at the 1.44“ inch TFT LCD shield from Wemos. It can display 128×128 resolution and 18-bit color

The TFT is based on an ST7735S driver. Here is a picture of the LCD shield

Pins

The shield uses the following pins

D1 mini Shield RST*(D0/D3/D4)) TFT_RST D3*(D0/D4/D8) TFT_DC D4*(D0/D3/D8) TFT_CS […]