红水杯

[Course Design] Breadboard Power Module

 
Overview

The breadboard DC regulated power supply module is compatible with 2 channels of 5V/3.3V and supports DC, Type-C, and micro power supply.


In response to the invitation of a group of friends, I just found a power supply module that can be used on the breadboard. ~But I don’t have a breadboard at all~

Now that you have the breadboard for course design and the power supply for the breadboard, should you start making course design?

I started teaching college students how to do things? ?


Thanks @89C2051-458330A for the correction on the breadboard size

QQ picture 20248.jpg

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  • Added TypeC interface and micro usb interface. All patches are packaged in 0805, and the design is relatively compact. We hope it will be more friendly to those new to soldering.
  • DC input, up to 12V
  • KIA1117-5.0     C116068  has a maximum input voltage of 12V and a maximum output current of 1A; C6187 can be replaced by AMS1117-5.0 , which has a maximum input of 15V
  • AMS1117-3.3   C347222  has a maximum input voltage of 18V and a maximum output current of 1A;
  • LED C142303  power indicator light, the R1 resistor can be selected from a range of 500Ω or more, and most of them are between 1k~10K. I like the brightness to be lower, and then change it to a 10KΩ resistor. To make it brighter, you can use 1KΩ resistor  C95781 . Why use this? No reason, because it is cheap.
  • USB input 5V, with 0.75A resettable fuse. Consider reducing space with a concave shape, and finally choose to use fuses.
  • The 6p used in TypeC is cheap. Micro has alternative options,  C40957  C397452
  • Pay attention when soldering the interface, it is relatively short and difficult to solder.

The C3 capacitor does not need to be added, it is added for the sake of beautiful layout of the board.

image.png Breadboard output pin, use jumper cap to change the output to 3.3V or 5V.

image.png No more, what else do you want to see?

参考设计图片
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