liwen zeng

Results 25 comments of liwen zeng

In PCA9685, there are Vcc and V+. They are different, V+ is for Servo , maybe 6.5V or 8.4V or other. Vcc is for PCA chip and it should be...

I try to learn: /** Add points to the set, Inserts all points from [start, end] */ void addPoints(IndexType start, IndexType end) I need to add a lots of points...

it is not a tutorial but let me come here.

I got the last one .It's some operation at shopify. Now I block at: Navigate to https://[your-shopify-store-subdomain].myshopify.com/admin/settings/apps and click the green Shopify App Store button. I don't know how to...

at home-> Setting ->apps and sales channels now it says: The Headless sales channel isn’t available on your plan. does that mean I have to pay, then I have a...

NEXT_PUBLIC_SALEOR_API_URL=http://127.0.0.1:8000/graphql/ and set the core env : DEBUG=True ENABLE_SSL=False then it works well

https://vercel.com/docs/projects/environment-variables#preview-environment-variables says: Changes to Environment Variables are not applied to previous deployments, they only apply to new deployments.

chapter 15 let's go vercel with https://vercel.com/docs/projects/environment-variables do I set auth_secret enough? I think we need a public key and private key Is there any tutorial about it?

![Screenshot 2024-01-25 231220](https://github.com/vercel/next-learn/assets/19335957/bb3f085a-a55c-45b7-9cb6-a81bd7c6a980) I add AUTH_SECRET , but when login ,it's 404

Thanks, I have checked it. Also the redirect does not work. where could I find the chapter 12 code, eg. github