Auriculares.org

60g, conexión USB, tarjeta SD, batería de Litio ... 89$

Especificaciones:
http://www.seeedstudio.com/depot/micro-digital-storage-oscilloscopedso-nano-p-512.html (http://www.seeedstudio.com/depot/micro-digital-storage-oscilloscopedso-nano-p-512.html)

Micro digital storage oscilloscope-DSO nano

DSO nano is a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is base on ARM Cortex™-M3 compatible 32 bit platform, equipped with 320*240 color display, SD card capability, USB connection, and chargeable batteries.

Digital Storage Oscilloscope DIY Kit ...  3 versiones: kit, con los componentes SMD soldados y montado

Digital Storage Oscilloscope DIY Kit with Panels $33.00
http://www.seeedstudio.com/depot/digital-storage-oscilloscope-diy-kit-with-panels-p-515.html (http://www.seeedstudio.com/depot/digital-storage-oscilloscope-diy-kit-with-panels-p-515.html)