Questions tagged [raspberrypi-pico]
7 questions
1
vote
1 answer
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 together consisting of an LM78XX (see the next…
XtrmJosh
- 119
- 2
1
vote
1 answer
Cannot 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 folder (…
Heliophagus
- 11
- 3
0
votes
0 answers
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 working and shows "Screen 1 Test" and then its close.…
Aconot
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- 1
0
votes
1 answer
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
*/
void setup()
{
Serial.begin(115200);
while…
DrakeJest
- 201
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- 7
0
votes
1 answer
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 up. I tried to connect to different pins…
qubit
- 340
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- 11
-1
votes
0 answers
Arduino Error: 'SerialPIO' does not name a type; did you mean 'Serial2'?
I am trying to get 4x UART-connected probes working on a Seeedstudio CANBed Dual (RP2040), based on the Raspberry Pi Pico. I added the board via the board manager URL…
Jake Long
- 1
- 1
-1
votes
2 answers
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 for Raspberry Pi Pico:
"Arduino Mbed OS RP2040…
mvermand
- 349
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