Raspberry Pi Stack Exchange
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Questions tagged [pi-pico-w]

Raspberry Pi Pico W adds a 2.4GHz wireless interface to the Pi Pico

Raspberry Pi Pico W adds on-board single-band 2.4GHz wireless interface to the Pi Pico

Raspberry Pi Pico is a low-cost, high-performance microcontroller board with flexible digital interfaces based on the RP2040 microcontroller chip designed by Raspberry Pi.

Dual-core Arm Cortex M0+ processor 264kB of SRAM, and 2MB of on-board flash memory USB 1.1 26 multi-function GPIO pins 2 SPI, 2 I²C , 2 UART, 3 * 12-bit ADC, 16 PWM channels Accurate clock and timer on-chip Temperature sensor Accelerated floating-point libraries on-chip 8 Programmable I/O (PIO) state machines for custom peripheral support

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How to use this microdisplay with a Raspberry Pi?

I have a 0.23 inch microdisplay (https://www.amazon.ca/Microdisplays-Resolution-Brightness-Interface-Application/dp/B0CDXXWSRV) that doesn't seem to connect directly to my Raspberry Pi Pico 2W, Zero 2, or 4B. I'm trying to build a personal project…
Savir Singh
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How do i get Nema 17 motor to work with DRV8825 and Pico 2 W?

Yesterday, I tested a Nema 17 stepper motor with a DRV8825 motor driver. Connected to a Pi Pico 2 W using MicroPython on VS Code. It worked as intended, the motor spinned both directions. I took a picture so I could rebuild the circuit the next day…
Julian
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pico/stdlib.h is no longer found

I'm trying to get a simple program that uses GPIO running on a Pico W. But I've run into a build issue. I'm 99% sure the problem is in my CMakeList.txt file. But it isn't apparent to me where I've made a mistake. I did try clearing my build…
Joel
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What to set PICOHTTPS_CA_ROOT_CERT in picohttps example in RPi Pico C - SDK

I'm trying to make a request to an ip using RPi pico w, using the picohttps example provided in here. Now for that we have 3 needed parameters in picohttps.h file - SSID, SSID_Password, PICOHTTPS_CA_ROOT_CERT. I've filled first two, but couldn't…
SOUHARDHYA PAUL
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One time timer interrupt? (Pico W, C/C++)

Is there a way to set a one time timer interrupt on the Raspberry Pi Pico? I.e. in code, I would be able to tell the hardware timer to interrupt me in a specified period of time. Example pseudocode would look something like…
alex
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How can one make MicroPython HTTPS REST API requests on Pico W?

I'm unable to make MicroPython REST API requests from the Pico W. The WLAN connection is working but the API call fails. ► API call| Not working - Wokwi Pico W Simulator # Import modules import network import urequests # Connect to WLAN wlan =…
Ayan Mullick
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Running a webserver on RPI Pico W - but it never loads!

I have a question about a problem I'm having running webservers. I've been playing around with running webservers on an RPI Pico W, following the instructions on RPI's website (link here). My (well, their) code runs fine in my IDE, and seems to…
Matt Lister
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How to decode RFID value?

I am working on an attendance system project using Raspberry Pi Pico W, EM - 18 reader and MicroPython. Not sure of the tag type here, but I guess it is 125KHz tag. More, my card is keeping '29714856' actual value. But when read using EM - 18 I…
R. Baraiya
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MicroPython: How to wake Pi Pico / Pico W / Pico 2 from sleep using GPIO button?

A lot of people use sleep modes for finite amount of times, waking up after X seconds. I would like to indefinitely make the microcontroller go to sleep until any of 4 GPIO buttons is pressed. I can't seem to find a rudimentary example of this. I…
Rick Yoder
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How to make ePaper work in landscape mode with RPi Pico?

I bought a 2.9inch ePaper display for RPi Pico (296 × 128 Pixels, Black / White / Red, SPI Interface) from WaveShare. I found several MicroPython drivers for 2.9" ePaper on Waveshare's…
user136555
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stdio USB was configured along with user use of TinyUSB device mode, but CDC is not enabled

When I build PicoMiteWeb, which is a BASIC for PICO PI, I get this warning and some errors from the compiler. #warning stdio USB was configured along with user use of TinyUSB device mode, but CDC is not enabled I have no ideas how to solve it and…
ozw1z5rd
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Bluetooth Headphones with the Pico W

I have a Pi Pico W, and I wanted to do a project where I connect an SD card to the Pico, and it'll play the audio on my headphones. I know that the Pico W has Bluetooth support, but I can't find any way to connect headphones to it. Thank you for…
Polly Smith225
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Raspberry Pi Pico W stopped working

I have a Pico W that was working connected to my computer, but suddenly turned off while running and not turning on anymore. I've tried to: Change the cables Change the port Connect it to Pi Model B instead of my computer Turning on holding…
artem
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Raspberry Pi Pico w bluetooth doesn't pair

I'm trying to set up bluetooth with the pico w with the c/c++ sdk for it to communicate wirelessly with my laptop. I'm using btstack's and rasberry pi's example of spp_streamer.c. Also shown here. The code I've added: main.c: #include…
gringott capt
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Desktop Weather Display using Pi-pico-w

I'm trying to replicate this (https://mustardcorner.com/desktop-weather) project but I'm trying to use the Pico w instead of the Pizero w he was using. But the code obviously does not work on the Pico, would anyone know how I could adapt it to work…
Jesse gudgeon
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