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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ArticlesMicropython
A PCF8574 expander example in micropython using a Raspberry Pi Pico
by rp2040guy71 -
ArticlesMicropython
A DS18b20 thermometer example in Micropython with a Raspberry Pi Pico
by rp2040guy71In this article we connect a DS18b20 module to a Raspberry Pi Pico and we will use micropython to display the temperature returned from the module. I used the following DS18b20 module Specifications The following is from the datasheet The DS18B20 digital thermometer provides 9-bit…
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In this article we present our first micropython example on a Raspberry Pi Pico, rather than just use the default example to flash an LED, we will connect an RGB led up to. Tri-color LEDs contain three different LED emitters in one case. Each emitter…
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