Most of you are probably familiar with breadboards. Basically, a breadboard is a universal prototyping area with an electrical connection. Inside the board you can create and evaluate wether your ...Read More…
Most of you are probably familiar with breadboards.
Basically, a breadboard is a universal prototyping area with an electrical connection. Inside the board you can create and evaluate wether your your schematic makes sense quite fast.
After you are ready with your prototype, you may like to transfer your work to something more permanent. But, you may not want to dedicate a PCB which usually requires a lot of work when you are making your design, dealing with a supplier of the pcb, documentation and other things around.
When you need something "just right now," Breadboard PCB becomes an ideal solution.
Simple Breadboard PCB is designed to easily transfer components to something more solid and well thought-out. This board layout allows you to do this and saves you time.
This prototype board takes the layout of a classic breadboard, but allows you to transfer your work to something more solid rather than a bunch of wires floating around with the risk that your prototype will stop working. The breadboard sets up connections that make a clean layout without having to make too many jumpers.
Using a little research from my electrical engineer colleges and based on my experience with the creation of all types of different prototypes, we came up with this Breadboard PCB idea. We crafted a very handy tool for a daily work with electronic prototypes. General prototyping pcb boards come in 3 versions.
First, Breadboard PCB takes the layout of a classic breadboard.
Second, for smaller projects which is half of breadboard size.
And third, this really small but very useful quarter of a standard breadboard can fit into something really small like a temperature sensor, humidity sensor, ESP8266 module, or other similar WiFi modules.
Standard type of connection on Breadboard PCB
Breadboard PCB has this standard vertical connection done on the bottom side(so you can cut a strip of the wire for smaller groups). This could not be done on a standard breadboard because connection are done with metal strips inside a plastic cover.
Silkscrean description on Breadboard PCB
When you are in the middle of the design or worse, someone interrupts you, you can loose the idea where you are. Silkscreen on two sides of protoboard allows you to quickly and easily recognize where you are with your design.
Just flip the side and you will get the same information on the bottom side of this Breadboard PCB instantly.
Power supply connectors on Breadboard PCB
Another thing which is quite nice and unique about Breadboard PCB is that it has this power supply connector on it. On one corner you will find the same connector used, for example, in Arduino UNO or Arduino Mega.
On the bottom left corner you will find a place for a terminal block screw connector, so you can quickly adapt your prototype whether you have cables.
One or both connectors can be used at the same time depending on what you would need and have in your stock of electronic components when you are making your prototype.
Power supply rails on Breadboard PCB
In the standard breadboard you will also find two power supply rails, on top and bottom edges of the breadboard. Here it is the same, but with one more advantage than with drop of tin you can basically connect the top rail with the bottom rail of power supply by the bridge. Depending on what you will need, you can connect only minus "-" or only plus "+" or both at the same time. This can be done without any cable line in standard breadboard.
Support connector for Raspberry Pi on Breadboard PCB
Great thing about this prototyping board is that it has a support connector for Raspberry Pi.
On a standard breadboard you are not able to connect directly to Raspberry Pi, because Raspberry Pi has rast between pins of 0.1 inch on 2x20 connector. On standard breadboard there is 0.3 inch between pins.
With protoboard PCB it is simple, raster of the pins is adjusted for Raspberry Pi 2x20 connector. Full size breadboard PCB and half size have support for Raspberry Pi. The quarter size breadboard also has support, but for smaller modules like a ESP8266 Wifi module or similar.
Assembly holes on Breadboard PCB
Depending on the type of breadboard PCB you will find on them from 2 to 3 mounting holes. This is a nice thing that after you are ready with you prototype you can firmly adapt a proto board PCB directly into your application. Marking of the screw is shown in a clear way so that you can't miss them. The diameter of the holes is 3.3mm, so you can use any screw up to 3.2mm.
Support for SO08 SMD components
On the bottom side there are also footprints for SO08 packages. You can use them, for example, for FLASH, EEPROM memory, amplifier, small voltage stabilizer, timer like a NE555, or basically anything with SO08 package.
On the full sized Breadboard PCB you will find 3 footprints dedicated for SO08, and one 1/2 size and 1/4 size you will find one SO08 package.On the top side of the proto board there is a silkscreen description which shows you in a clear way where those pins are for SO08. Pins are also connected into the vertical strips like in a standard bread board so that you will get instant access to the rest of the prototyping pins.
In addition, SO08 received clear marking around pin number one, that you will assemble SO08 package correctly onto the prototype board. Support for SMD like a 1206 package.
It is also possible to solder SMD components on to the prototyping board. With a little bit of soldring skills, you can also solder SMD components on to the bread board. Here is an example with 1206 resistors package.
The copper pads go all the way through so that you get great connections, and you can solder on the top or on the bottom side of the prototyping board.
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