In this article, we connect an KY-034 7 color flashing LED to a Raspberry Pi 4 The KY-034 7 color flashing LED module can emit a color sequence from the LED when power is supplied to it. The LED has 7 different colors and thus…
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In this article, we connect an KY-029 Dual Color LED to a Raspberry Pi 4 The KY-029 Dual Color LED module can emit red and green light. You can adjust the intensity of each color using a Python pwm pin or simply switch the LED…
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In this example we take a look at the SHT40 Digital Humidity Sensor to a Raspberry Pi 4 This is the next generation of the SHT sensors series, we have had articles for other SHTXX sensors and now we move on to the 4th generation…
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In this example we take a look at the LTR390 UV Light Sensor to a Raspberry Pi 4 Description This sensor converts light intensity to a digital output signal capable of direct I2C interface. It provides a linear ALS response over a wide dynamic range,…
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In this article we will display a digital clock using a Pico Scroll Pack Getting started The labels on the underside of Pico Scroll Pack will show you which way round to plug it into your Pico – just match up the USB port…
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In this example we connect a PCF8574 expander to a Raspberry Pi Pico Description This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 6-V VCC operation. The PCF8574 device provides general-purpose remote I/O expansion for most microcontroller families…
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