Bueno los chicos de Seeed Studio acaban de sacar ( aun estan vendiendo las beta-tester) un DSO portatil del tamaño de un mp4 por unos 89 dolares ( 60 euros ) la version final.

Estas son las caracteristicas:

Display 2.8″ Color TFT LCD
Display Resolution 320×240
Display Color 65K
Analog bandwidth 0 - 1MHz
Max sample rate 1Msps 12Bits
Sample memory depth 4096 Point
Horizontal sensitivity 1uS/Div～10S/Div (1-2-5 Step)
Horizontal position adjustable with indicator
Vertical sensitivity 10mV/Div～10V/Div (with ×1 probe)
0.5V/Div～10V/Div (with ×10 probe)
Vertical position adjustable with indicator
Input impedance >500KΩ
Max input voltage 80Vpp (by ×1 probe)
Coupling DC
Trig modes Auto, Norma, Single, None and Scan
Functionalities: Automatic measurement: frequency, cycle, duty, Vpp, Vram, Vavg and DC voltage
Precise vertical measurement with markers
Precise horizontal measurement with markers
Rising/falling edge trigger
Trig level adjustable with indicator
Trig sensitivity adjustable with indicator
Hold/run feature
Test signal Built-in 10Hz～1MHz (1-2-5 Step)
Waveform storage SD card
PC connection via USB as SD card reader
Upgrade by bootloader via USB
Power supply 3.7V Chargeable Lithium battery / USB
Dimension (w/o probe) 105mm X 53mm X 8mm

Yo creo que va a caer uno la verdad porque no tengo osciloscopio y esta bastante bien por solo 60 euros mas gastos de envio.

Aqui teneis la pagina web de su blog http://www.seeedstudio.com/blog/ donde esta la informacion