Blink example not working on RPI Pico

[siashish]

I try to run the blink example on rpi pico with default board lead on pin 25.
but led not blink on pico.
Anyone have any suggestion, whats going wrong there.
Thanks for the support.

[deadprogram]

Hello @siashish

If you change this code here to the pin number on your board it should work: https://github.com/hybridgroup/mechanoid-examples/blob/main/blinky/modules/blink/main.go#L10

Hope that helps!

[siashish]

Hi @deadprogram

Despite changing the pin within the same code base for the Raspberry Pi Pico to pin 25, it still does not function as expected.

[scottfeldman]

Is it a Pico or Pico-W? I remember blinking the LED on Pico-W requires going thru the Wifi device somehow. I think @soypat has Pico-W LED working, but outside the TinyGo code base.

[soypat]

@siashish if you do in fact have a Pico W you can try the following program to blink the LED and verify the LED is not damaged https://github.com/soypat/cyw43439/blob/main/examples/blinky/blinky.go

[deadprogram]

Just tried with a Pico changing to led = machine.Pin(25) and it is blinking

PXL_20240406_120224813.TS.mp4

[Sandesh-verma]

HI @scottfeldman, @soypat
We are using PICO_W and the led is working fine. We have cross checked with (https://github.com/soypat/cyw43439/blob/main/examples/blinky/blinky.go) this example.

But when using mechanoid example blinky for PICO_W , we faced the below issue after running the mecha build command -

user:~/mechanoid-examples/blinky$ ls
go.mod  go.sum  main.go  modules  README.md

user:~/mechanoid-examples/blinky$ mecha build
Building module blink
Done.
package github.com/hybridgroup/mechanoid-examples/blinky/modules/blink
	imports github.com/soypat/cyw43439
	imports github.com/tinygo-org/pio/rp2-pio
	imports device/rp: build constraints exclude all Go files in /home/user/.cache/tinygo/goroot-1300efd6eec7ee073f4512e2eb558a951848cb6a899247aebb806e8f806dc738/src/device/rp
tinygo build error /home/user/mechanoid-examples/blinky/modules/blink: exit status 1