DEYUE 40PCs PCB Double-Sided Prototyping PCBs Circuit Boards Kit | 5 Size Universal untraced Perforated Printed Circuits Boards | Solder-able Circuit Protoboards for DIY Soldering Electronic Projects

They are what they say they are. Ive prototyped items for a few Arduino projects on these, and also to hold relays in a high voltage power supply (the circuit board were in the low voltage control area). Easy to solder onto, theres no issue with trace adhesion to the boards, the metal is firmly attached. Soldering has been easy as expected. All boards were clean and ready to use upon arrival. Packaging was tight and minimal, something I appreciate -- minimum waste for this products packaging, but still appropriately solid cardboard box.

Cant think of a thing.

This product arrived ahead of time promised and worked very well for the project I had in mine. I would recommend this product very highly. Am well pleased. I am going to put another order in very soon.

I have started experimenting with arduino and other DIY projects involving circuitry, primarily model rockets with altimeters and barometers. These little circuit boards are the perfect assortment of small sizes for what Im doing. The product itself is A+ material as well. Highly recommended.

Just what I needed

Accurately made, nice quality, you get a lot for your money. I got these to help with some experimentation and prototyping and use them in ways I never imagined. Highly recommended.

Nice sizes for different projects and the pads take a solder just fine.

I had to dump a lot of solder on the holes to get them to connect with each other. Not the worst thing in the world but something to be mindful of.

Only used one of the boards so far but will be using five more soon. They are well made and quality is good. Am using these to mount DIP relays with sockets and Arduino boards. Work great for one of a kind projects.

It was packing careful. Good kit.