ALio Proto Board


Open source prototyping board that fits almost any SMD and through-hole components at the same time

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Two ALio Basic Boards

Wide area for prototyping.

ALio basic board, top view.


Two ALio Embedded Boards

Extra 2-in-1 Mini-USB and Micro-USB pad and SPI Breakout.

ALio embedded board, bottom view.


Two ALio Arduino Compatible Board

You can build your own Arduino-board or Arduino-shield with this board.

ALio Arduino-compatible board, top view.


Five Alio MCU Breakout Boards

Build your own stand-alone microcontroller board.

ALio MCU breakout board, top and bottom.


Recent Updates

As Featured In


"La ALio Proto Board de AERD, es una placa de prototipado en la que cabe prácticamente cualquier componente SMD y componentes through-hole simultáneamente, siendo un proyecto de código abierto."

CNXSoft - Embedded Systems News

"AERD, an open source electronic development startup based in Indonesia, has designed ALio prototyping boards supporting both through hole and SMD components, as well as some common connectors/accessories such as micro SD card, USB connector, and so on."

Open Electronics

"ALio lets you freely attach SMD component in any location or direction, so you can forget about using an extra SMD breakout board"

The MagPi Magazine

"...with a pad layout that can accommodate chips (ICs) it should be useful board to get complex builds running quickly."

ALio Proto Board is a prototyping board designed for electronic hobbyists who want to make prototypes containing SMD and through-hole components without using an extra breakout board. ALio is compatible with the traditional proto board while including all the features and benefits of traditional proto board.

Point-to-point wiring is easy with ALio, just a blob of solder does the trick. In addition, the double layer bus lets you route as circuits as if they were on a double-layer PCB, so you can forget about using wire jumpers. This is great for quickly prototyping stackable circuits.

ALio lets you freely attach SMD component in any location or direction, so you can forget about using an extra SMD breakout board; ALio fits almost all SMD components. ALio is great for beginners, since it is easy to solder and allows you to move your bread-board project to a permanent proto board project.

The Embedded and Arduino compatible versions provide SPI breakout, since SPI is the most common protocol and because wiring SPI directly to a microcontroller can be challenging.

Because every project needs power, ALio provides a 2-in-1 Micro-USB/Mini-USB pad, so powering and connecting your project is easy.


  • Size: L x W x H : 88.2 mm x 65.3 mm x 1 mm
  • PCB: FR4 0.8 mm
  • Finishing: HASL-lead
  • Finished copper: 1 Oz Cu with black masking and white silkscreen.

Product Features

  • Fits SMD and PTH components at the same time.
  • Has a double-layer BUS for wire-free connections.
  • Has a Micro-SD/SD card breakout or any general SMD sockets.
  • Has an SPI break out pad for some variant.
  • Has a 2-in-1 micro-USB and mini-USB pad for some variant.
  • Open source design.
  • Large prototyping area.
  • No more SOIC-break out boards needed, this board fits all SOIC, SOP, and SO type ICs.

ALio Board Comparison

ALio BasicALio EmbeddedALio Arduino
SD/microSD breakout yesyesyes
mini/micro USB pads noyesyes
SPI breakout 1x1x2x
Arduino shield mounting holes nonoyes

ALio Basic Board

ALio Basic is designed for wide area prototyping. It is like a standard protoboard, but with the freedom to combine SMD and PTH components without any additional breakout board. And with an extra 1.1 mm pitch pad, you can attach a micro-SD/mini-SD or any SMD socket.

ALio Embedded Board

ALio Embedded is designed for prototyping that involves microcontrollers. With an extra SPI pad, micro-USB/mini-USB pad, and extra 1.1 mm pitch pad, prototyping microcontrollers on a protoboard simpler than ever before. If you want to prototype with another MCU or need a large prototyping area, the embedded board is for you.

ALio Arduino Compatible Board

The ALio Arduino version is also designed for prototyping that involves with microcontroller. It has an extra SPI pad, micro-USB/mini-USB pad, an extra 1.1 mm pitch pad, and is also Arduino compatible. It includes an Arduino pinout for stacking it to another Arduino board. In short, with this version of ALio, you can build your own Arduino board or Arduino-custom-shield.

Alio Microcontroller Breakout Board

The ALio MCU Breakout board is designed to fit TQFP44, TQFP32, MLF32, and SOIC IC packages on one side. On the other side, it has a unique pad to fit SMD components for your microcontroller’s minimum requirements, such as capacitors, inductors, crystals, resistors, or LEDs. It also has a mini-USB/micro-USB pad, so you can use it as a stand-alone microcontroller board.

How to Use ALio

ALio comes with a unique and different orientation NON-through-hole BUS pad designed to be used for SMD components or routing circuits as double layer.

Here is an example for routing BUS as double layer to connect point A to A’ and point B to B’. Since the busses are NON-through-hole you can overlap the trace and minimizing jumper wire usage.


BoardALio(Sparkfun) Wombat(Adafruit) Perma-Proto(Elecfreaks) FlowerPerf+RoutaBoard
Extra Breakout1.1mm pitch, SPI, micro-USB, mini-USB no no SOIC no no
Wire-freeyes no yes yes yes yes yes
Cut-freeyes yes no yes no yes
Double layer busyes no no no yes no

*US shipping included



Arief Ibrahim Adha

Computer Engineer, Electronics Hobbyist


PCB Manufacturer

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