Level Up Board

Board Type :		GerberFile :
Layer :		Dimensions :
PCB Qty :	5 40 200 500 1500 4500 7500 10 50 250 600 2000 5000 8000 15 75 300 700 2500 5500 20 100 350 800 3000 6000 25 125 400 900 3500 6500 30 150 450 1000 4000 7000	Different PCB Design
PCB Thickness :		PCB Color :
Surface Finish :		Castellated Hole :
Copper Weight :	1 oz	Production Time :
Total: US $
Elecrow community is a shared platform and we are not responsible for any design issues.

PCBA Qty:		BomFile:
NO. OF UNIQUE PARTS:		NO. of Components:
Assembly Cost: US $
Elecrow community is a shared platform and we are not responsible for any design issues.

3dPrintingFile :		Size :
Unit :		Volumn :
3D Printing Qty :		Material :
Total: US $12.99
Elecrow community is a shared platform and we are not responsible for any design issues.

Acrylic Type :		AcrylicFile :
Dimensions:		Engrave:
Acrylic Qty :	5 40 200 500 10 50 250 600 15 75 300 700 20 100 350 800 25 125 400 900 30 150 450 1000	Acrylic Thickness:
Acrylic Color:		Total: US $12.99
Elecrow community is a shared platform and we are not responsible for any design issues.

CNC Milling File :		Size:
Unit:		Volumn:
CNC Milling Qty :		Material:
Type of Aluminum:		Surface Finish:	None
Tolerance:	Back to Upload File	Surface Roughness:
Total: US $12.99
Elecrow community is a shared platform and we are not responsible for any design issues.

Tim Lovett

Published: Jul 18,2024

Level Up Board

Xiao footprint (for Seeed Xiao and Adafruit QT Py boards) level shifter with a jumper.

Attribution-NonCommercial-ShareAlike (CC BY-NC-SA)

Story

A Xiao form factor board for optional level shifting with the use a jumper.

I have three uses for this board:

If I want to use UART serial communication with a 5V board I need to level shift for the signals and power to avoid hurting the Xiao with its 3V3 pins
There are some 5V only i2c devices such as the Seeed Vision AI sensor v2 (you can attach the Xiao directly to the board to get around this but my projects usually use multiple sensors so I prefer attaching it via a cable)
There are some actuators that require 5V like the Seeed Water Atomization module

In the past I took care of this by assembling an inline DIY level shifter. It works well but I prefer simplicity with enclosures and it makes things a bit more difficult as each DIY board has slightly different dimensions.

I've added an article detailing the board and included some test related code as part of it.

Schematic and Layout