Navegando por internet he descubierto esta pequeña maravilla, que debería estar en cualquier taller o laboratorio de electrónica. Tiene hasta el momento 19 funcionalidades:
; Logic Probe
; Voltmeter
; Frequency Counter
; Event Counter
; Capacitor Test
; Signal Generator
; Diode Tester
; Logic Pulser
; Serial Generator (4 rates)
; Midi Generator
; r/c servo pulse
; Square Wave
; 20khz digital noise
; 38KHz burst
;
; 28 added r/c square noise burst baudrates
; 29 added memu forward/back
; 30 added pwm function
; 31 reworked square wave for interrupt operation
; 32 fix logic probe function
; 33 (compatability with new assembler)
; 34 fix dpcap syntax for hex values - last 2
; 35 add inductance measure
; 36 recalibrate inductance
; 37 inverted display anodes
; Versions above 37 by Heli Tejedor, helitp@arrakis.es,
http://heli.xbot.es; 38 add 4 new baud rates and #define INVERT_A for new hardware
; 39 NEW mode hivolt scaled to 25.00 (multiply by 2500 and divide by 1023)
; mode volt scaled to 5.00 (multiply by 500 and divide by 1023)
; by Heli Tejedor,
http://heli.xbot.es, helitp@arrakis.es
; 40 New mode Servo R/C measure (pulse width) R/C.i Servo output is now R/C.o
; tested from 990us to 100ms (teorycaly work from 10us to >16seg)
; 41 R/C.i measure pulse width high and low, 10us resolution
El circuito es extremadamente sencillo:
http://heli.xbot.es/SuperProbe/SuperProbe.htmUn saludo