---
description: >-
  The ultimate power management solution for quick and neat breadboard
  circuiting
---

# MEGO 2.0

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>Adjustable Output Voltage</td><td><a href="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FMGwHP0FaetYxbm7cmP36%2F_DSC4980.jpg?alt=media&#x26;token=00f13835-1a1b-4a1d-aa88-7887b5327e8e">_DSC4980.jpg</a></td></tr><tr><td>Rechargeable Battery</td><td><a href="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2Fx8sx2XjLjqqnM6IFZpOi%2FIMG_1146.JPG?alt=media&#x26;token=e4e53b26-e568-4a58-bd23-c2506a1ee75e">IMG_1146.JPG</a></td></tr><tr><td>Breadboard Fitting</td><td><a href="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2F60D6WEYcbejLJx1b9751%2FLab%20on%20the%20go%20kit_2%20-%20Copy.jpg?alt=media&#x26;token=95c6bcb2-5605-47a2-9214-7d57c5bd5f9e">Lab on the go kit_2 - Copy.jpg</a></td></tr></tbody></table>

## Product Overview

MEGO 2.0 builds upon the original MEGO design, a trusted and popular rechargeable breadboard power supply developed since 2018. Retaining the core features of the original, this new iteration addresses user feedback and introduces key enhancements for even more versatility and convenience.

<figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FLJPcMvHEsA5dXCz9q8mu%2Fa1.png?alt=media&#x26;token=083b050d-c5c7-43f3-86bc-727db660ec37" alt="" width="563"><figcaption></figcaption></figure>

<div><figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2F5jJ8brKv5Wa8SrY0J92w%2F_DSC4983.jpg?alt=media&#x26;token=f39f6a4f-734f-49e1-9d3c-4c0f0ff1308e" alt=""><figcaption></figcaption></figure> <figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FMGwHP0FaetYxbm7cmP36%2F_DSC4980.jpg?alt=media&#x26;token=00f13835-1a1b-4a1d-aa88-7887b5327e8e" alt=""><figcaption></figcaption></figure></div>

A standout feature, MEGO 2.0 offers a portable and adjustable DC output voltage range from 4V to 24V. Its compact design allows it to plug directly into standard breadboards without any additional wiring, keeping circuits neat and simplifying setup. The output voltage can be securely adjusted with a small screw, with real-time voltage displayed for precision. Equipped with a high-capacity lithium-polymer battery, MEGO 2.0 ensures long standby and operation, making it a reliable power source for on-the-go prototyping and testing.

<figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FrrjrjZyYv8YY4G6vVL85%2FLab%20on%20the%20go%20kit_3.jpg?alt=media&#x26;token=a5afcf6e-0766-4cbd-bf95-a52519198724" alt=""><figcaption></figcaption></figure>

## MEGO2.0 vs MEGO

Here is a summary of what's being changed on MEGO2.0 comparing to the preivous iteration.&#x20;

<table><thead><tr><th width="155">Changes</th><th width="128">MEGO</th><th width="131">MEGO 2.0</th><th>Reason</th></tr></thead><tbody><tr><td>Micocontroller</td><td>N/A</td><td>rp2040</td><td>Adding programmable feature</td></tr><tr><td>PCB Design</td><td>Assmebled modules</td><td>All-in-one PCB</td><td>More reliable hardware performance</td></tr><tr><td>Device Height</td><td>32mm</td><td>28mm</td><td>More compact PCB design therefore device size is reduced</td></tr><tr><td>Charging Connector</td><td>Micro</td><td>Type-C</td><td>USB-C is far more universal nowadays</td></tr><tr><td>Front USB</td><td>4-24V</td><td>5V fixed</td><td>Safer and more intuitive</td></tr><tr><td>Surface finishing</td><td>Glossy</td><td>Matte</td><td>More resistive to scratches and less reflections while photoshooting</td></tr></tbody></table>

## Specifications

### Electrical Specification

<table><thead><tr><th align="center">Parameter</th><th align="center">Specs</th><th data-hidden></th></tr></thead><tbody><tr><td align="center">Output Voltage Range [from pins]</td><td align="center">4 - 24V</td><td></td></tr><tr><td align="center">Maximum Power</td><td align="center">6W</td><td></td></tr><tr><td align="center">Overload Protection</td><td align="center">Yes</td><td></td></tr><tr><td align="center">Short Circuit Protection</td><td align="center">Yes</td><td></td></tr><tr><td align="center">Battery Capacity</td><td align="center">7.4Whs</td><td></td></tr><tr><td align="center">Conversion Efficiency [1]</td><td align="center">80%</td><td></td></tr><tr><td align="center">Voltage Display Accuracy </td><td align="center">2%</td><td></td></tr><tr><td align="center">Ripple Voltage [2]</td><td align="center">1%</td><td></td></tr><tr><td align="center">Operating Temperature</td><td align="center">-15 to 45 °C</td><td></td></tr></tbody></table>

1. Calculated at V out = 5V
2. Measured under V out=5V, 9V, 12V

### Dimensions

The measurements are in milimeters \[mm]

<figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FVw3hD4MB5XtsciaRUuI3%2FDimensions.png?alt=media&#x26;token=925c2d8a-b30a-4d5f-9388-ea3052337cd3" alt=""><figcaption></figcaption></figure>

Gross weight: \~100g (3.5oz)

## Technical Documentation

### Circuit Schematic

The full schematic of MEGO2.0 is given in these two pages of circuit diagram. You can also find the downloadable PDF below. The schematic is drawn in KiCAD.

{% tabs %}
{% tab title="Microcontroller Connection" %}
<figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FxuXqBkI30j3J02nyeQF0%2FSchematic%20P1.png?alt=media&#x26;token=7cf08923-a855-499a-ad38-87d8b3957838" alt=""><figcaption><p>The connections of RP2040 Microcontroller</p></figcaption></figure>
{% endtab %}

{% tab title="Power Connection" %}
<figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FoAi6pCy2cQuVnBFEdB0T%2FSchematic%20P2.png?alt=media&#x26;token=3a3ee36b-b809-4726-8ae5-27909507fdd0" alt=""><figcaption><p>Periperhal power circuit design</p></figcaption></figure>

{% file src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2Fl4ynA0ucfImzjErDT8BC%2FMEGO2.0%20Schematic.pdf?alt=media&token=bc451969-cc71-4548-90b8-15d174ff929c" %}
{% endtab %}
{% endtabs %}

{% file src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FJzpMvsgvem5mcnOc4Iey%2FMEGO.kicad_sch?alt=media&token=778c8a4d-e91a-4bcd-b4c4-379496461f8f" %}

### PCB Layout

The circuit of MEGO2.0 is drawn and implemented on a 2-Layer PCB sized by 65mm x 52mm where the placement of components is illustrated as below. Due to the inaccessibility of certain liscense required components involved, the downloadable version of this PCB layout is not available. If you are an intermediate or advanced PCB/hardware designer, recreating this board should be straightforward.&#x20;

<div><figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FfLN4IIfme2WUgnt7zR2p%2Fimage.png?alt=media&#x26;token=b5009470-4466-483b-ae24-04a583379d55" alt=""><figcaption></figcaption></figure> <figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FF4DDVLw2ducJUPFRHwrw%2Fimage.png?alt=media&#x26;token=2126789c-c979-4b43-a4ae-3b2594a97d3c" alt=""><figcaption></figcaption></figure></div>

### Bill of Material

Download the IBOM file below to your local drive and open this HTML file to view the interactive BOM of this project, which appears as:

<figure><img src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FeVo96xvcWr7tIW6G2o0U%2Fimage.png?alt=media&#x26;token=4a1faebe-ac7f-4a85-a15f-5bc60d6a706b" alt=""><figcaption></figcaption></figure>

To open the interactive BOM, download this file and open with your browser. It's an html file that you can double click.

{% file src="https://2395483440-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFcgTb7Dst30iGr6yQqof%2Fuploads%2FQETlkGdK28Q9wxKFdZn8%2Fibom-MEGO-V3.html?alt=media&token=200108d8-9c21-4ced-a6b9-bb7564cb2da8" %}
