InnoTab 3.5mm Uart

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Introduction

This procedure has been documented in a way that someone who has very little experience with soldering or board modification should be able to accomplish the mod. In addition the parts chosen have been selected due to the availability, ease of use, and cost.

Note: If you use a 2.5mm stereo socket instead of the 3.5mm one, you can use the many "Motorola T191" and compatible cables as they are used with OsmocomBB and a varity of other Osmocom projects. The cables are also often available cheaper than the 3.5mm cable from Digikey linked below.

Parts

Audio-jack.jpg

NOTE: Sparkfun.com has a good selection of compatible parts

PCB Connection

Innotab case pcb-a.jpg

Innotab case pcb-b.jpg

Innotab case pcb-c.jpg

Inside Case

Innotab case cage.jpg

Innotab case inside-a.jpg

Innotab case inside-b.jpg

Innotab case inside-c.jpg

Outside Case

Innotab case outside-a.jpg

Innotab case outside-b.jpg

Connected

Innotab case cable-connected-a.jpg