In this article we look at the Pico Unicorn, this board provides 112 RGB leds which are arranged in a 16×7 matrix, there are also 4 buttons available on the board for your usage. The four switches are wired up as SW_A, SW_B, SW_X, and SW_Y. Programming the Pico Unicorn…
Raspberry Pi Pico
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In this article we look at the Pico Scroll Pack which 119 white LEDs in a tidy 17×7 matrix, as well with four tactile buttons for interacting with your Pico. The brightness of each LED is individually controllable an d its ideal for a text…
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ArticlesMicropython
A PCF8574 expander example in micropython using a Raspberry Pi Pico
by rp2040guy71In 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 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…