Questions tagged [raspberrypi-pico]

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RPi Pico board, using Earl Philhower RP204 library, SPI problem

I have tried a number of different programs, trying to get any of several SPI connected displays working with the Pico board. All of them seem to not initialize the SPI port properly. For instance, ...
CoreyCoop's user avatar
-1 votes
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bought new Pico boards, serial through USB fails

I am using the RPi Pico RP2040 board interface for Arduino by Earl E. Philhower (not the Mbed OS version) in the Windows Arduino IDE v2.3.2. I have two Pico boards I have been developing a prototype ...
CoreyCoop's user avatar
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Raspberry pi pico I2S work on byte by byte transfer but not on buffer read writes

I'm using a raspberry pi pico W and testing audio loopback (microphone to speaker in a loop) using INMP441 microphone and MAX98357 amp board. Followed functions from this page https://arduino-pico....
Allahjane's user avatar
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1 answer
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Using SPI on Pi Pico, Arduino IDE

Beginner with the Pi Pico here, but I studied electronics engineering and am reasonably hardware literate. I've used mbed online for a project prior to covid. I want to use SPI to connect to a display ...
K Langley's user avatar
1 vote
0 answers
393 views

Arduino IDE 2.1.1 Mac M2 - Fails to upload, No drive to deploy, Raspberry Pico

I'm using Arduino IDE 2.1.1 on a Mac M2 and it's failing to upload, No drive to deploy, I have tried 3 different Mac's, and multiple Picos & USB cables. Summary of what I've done: Loaded Example ...
Duncan Hill's user avatar
1 vote
0 answers
69 views

COM disconnects and program fails when including code trying to initialize SD card (RP2040 Pi Pico W running Arduino)

I'm having an issue where anytime I run a program such as the SD card read write example (Below) the COM port disconnects. The only changes I have made to the example code is I am using SPI1 instead ...
Rian Noble's user avatar
1 vote
1 answer
1k views

Expose two HID Joystick devices with single RP2040 board (Waveshare Pi Pico Zero)

I want to use a Waveshare Pi Pico Zero to connect two standard NES controllers to a computer over a single USB port. I'm using the Waveshare RP2040 Zero board definition from https://github.com/...
NeilenMarais's user avatar
3 votes
0 answers
147 views

Raspberry pi pico (Arduino core) not initialising SPI correctly for NRF24l01

I'm working on a project where i have a Raspberry pi Pico connected to a NRF24l01+ to send some data. However i'm not recieving any data on the reciever and i think that its because the SPI bus is not ...
Earthbound Ruben's user avatar
1 vote
0 answers
272 views

Motor encoder and interrupts

I'm trying to write motor controller for automated blinds using Raspberry Pi Pico with arduino-pico. My problem is that I can't seem to get a consistent result from motor encoders. In my setup ...
Leonti's user avatar
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6 ST7735 screens not working at same time with Pico

Hello i have a question for you. I have 6 St7735s screen 0.96 ınch. I connect them to my Raspberry pi pico. I want to show them some text but they are showing at the same time. First screen start ...
Aconot's user avatar
  • 11
-1 votes
1 answer
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Reply from the SIM800l module is being cut short

I have a sim800l module connected to the Rpi pico hardware UART /* SIM800 RPi Pico 5v *External 2A 5v supply* GND GND VDD 3v3 TXD GP1 RXD GP0 */ ...
DrakeJest's user avatar
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0 answers
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Pushbutton firing somewhat randomly

I have a circuit which consists of a pushbutton and 2 relays. The power supply is driven either over USB, where the circuit seems to work fine, or powered by a linear regulator board I've knocked ...
XtrmJosh's user avatar
  • 119
1 vote
2 answers
3k views

Can't upload programs to Raspberry Pi Pico with Arduino

I am trying to use a RP2040 Pico with the Arduino IDE. This is a huge uphill battle. Initially I couldn't get the upload serial port to show up, then copied the "hello world" UF2 to the Pico ...
Heliophagus's user avatar
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1 answer
3k views

RaspberryPi Pico SPI and nrf24l01

I am programming a RaspberryPi Pico with the Arduino IDE. Works pretty well, but now I try to control an nrf24l01 module. My code compiles but I do not know on which pins the SPI bus has to be hocked ...
qubit's user avatar
  • 360
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2 answers
3k views

How to use Serial2 on Raspberry Pi Pico

I want to use Serial1 and Serial2 in a sketch in Arduino IDE for a Raspberry pi pico. My goal is to communicate from the pico with two other Arduino boards. I use Arduino 1.8.9 and the official board ...
mvermand's user avatar
  • 387