wiki:Projekte/BassBox

Version 12 (modified by lazlo, 11 years ago) (diff)

Replaced block diagram.

Bass Box

A portable speaker box, that is feed via bluetooth (based on the GP503 from Jay-Tech).

Project was initiated by Gregoa.

Modifications

Speaker

...

Chassis

OpenSCAD model: project/bassbox/bassbox2.scad.

Circuit

Original PCB

Simplified block diagram of the original circuit.

[ miniusb_conn ] -> [ ? ] -> [ charger_circuitry ] -> [ accu(1.37V, ?nA/h) ] -> [ Vreg(?nV) ]

                       +--------+
                       | switch |
                       +--------+
                            |
                            v
 +------------------+    +-----+    +-----+    +---------+
 | bluetooth_module |--->| mux |--->| amp |--->| speaker |
 +------------------+    +-----+    +-----+    +---------+
                            A
         +---------+        |
         | line_in |--------+
         +---------+

Picture of the Bluetooth module that is part of the Jay-Tech GP503.

BT-Module

The central IC on the board is a ISSC IS1684S.

Customized PCB

New PCB

Bluetooth stereo audio Receiver module

Attachments (6)

Download all attachments as: .zip