Croduino Damba and Pico programming pinout and USB-TTL connection

Customer:

I received a Croduino Damba but did not get the documentation that should come with it. I cannot determine from the board itself which pins are for programming. Could you provide a diagram showing which pins connect to a Basic model for programming, and also which pins connect and how to program via a USB-TTL CP2102 connector?

I also need clarification on how to connect the Pico model with the CP2102 connector. You mentioned the vertical programming pins on the Pico boards are defective, so which pins should be used for programming via the CP2102 connector? A diagram would be helpful.

The Pico you sent me produces constant communication errors when I try to program it via the Basic model and does not respond. I have verified all connection drivers multiple times and strictly follow the procedure, but programming the Pico fails with constant communication errors. Even when I load Arduino ISP on the Basic and select the “Arduino as ISP” option, attempting upload with “Upload using Programmer” produces constant communication errors and I cannot upload even a basic Blink program to the Pico. Could you provide a link to a tutorial?

Original message (Croatian)

Poštovani,prije nekoliko dana sam obavio kupovinu nekoliko dijelova opreme preko vašega web shopa. U naruđbi se nalazio u croduino Dumba. Na vašim stranicama je navedeno kako dolazi sa upitstvom i prikljuckom uz pomocu kojega se moze jednostavno povezati sa Basic modelom i programirati. Dakle nisam dobio nikakvo uputstvo, a sa same plocice nemogu zakljuciti koji su pinovi na njemu za programiranje, te bih vas molio da mi pošaljete nekakav slikovni prikaz koji s e pinovi povezuju sa basic modelom u svrhu programiranja, i takoder koji pinovi se povezuju i kako kada se programira preko usb ttl 2012 konektora. Druga stvar koja me interesira je kako model pico povezujete sa 2012 konektorom odnosno pošto ste mi rekli da vertikalni pinovi za programiranje na vasim Pico plocicama neispravni koji pinovi se koriste za programiranje preko 2012 konektora (slikovni prikaz ukoliko je moguce). Naime i ovaj Pico koji ste mi poslali prilikom pokusaja programiranja preco basic modela izbacuje iste pogreske i ne reagira pa bih pokusao preko 2102. Htio bih napomenuti da sam sve drivere konekcije.. ect visestruko provjerio i striktno se drzim procedure koja je za to predvidena ali programiranje Pica neide jer konstantno izbacuje pogresku u komunikaciji. Iako u Basic ucitam arduino isp i odaberem opciju arduino as isp prilikom pokusaja uploada na opciji “upload using programer” greške u komunikaciji su konstantne te nemogu na Pico ucitati niti osnovni Blink program. Zamolio bih vas nekakav link za tutorial.Unaprijed hvala,Andrija

Originally submitted via email support on 27 December 2015. Migrated to the forum for community visibility.

Soldered Support:

The Croduino Damba pinout can be found at: https://cdn.shopify.com/s/files/1/0158/0330/files/damba_pinout.jpg

We will have a colleague prepare a tutorial for programming this board and will contact you when it is ready.

Can you tell us which exact CP2102 breakout you would be using for programming? You do not need to load ArduinoISP on the Basic - it is used for bootloading only. You should simply upload your Arduino sketch. You only need to connect the pins according to the schematic we will send you, write a program such as Blink, and click Upload (Ctrl+U).

Original message (Croatian)

pinout za Croduino Damba možete vidjeti na : https://cdn.shopify.com/s/files/1/0158/0330/files/damba_pinout.jpg?[address removed] ću kolegu da ubrza s tutorialom za programiranje ova pločice, pa ćemo Vam se javiti kada bude gotov.
Možete li nam poslati koji točno breakout za CP2102 biste koristili za programiranje? Nema potrebe da na Basic ubacujete ArduinoISP, on se koristi za bootloadanje, vi trebati samo uploadati Vaš Arduino sketch. Treballi biste samo povezeti pinove po shemi koju smo Vam slati, napisati program npr. Blink, te kliknuti Upload (Ctrl+U).