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Top Forums Shell Programming and Scripting The Start Of A Simple Audio Scope Shell Script... Post 302933566 by Corona688 on Friday 30th of January 2015 05:10:11 PM
Old 01-30-2015
1uF looks rather large to me, I wonder if 0.1 would work.
 

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LPBB(4) 						   BSD Kernel Interfaces Manual 						   LPBB(4)

NAME
lpbb -- parallel port I2C bit-banging interface SYNOPSIS
device iicbus device iicbb device lpbb device iic DESCRIPTION
The lpbb driver supports the Philips official I2C parallel bit-banging interface. LS05 pin 14 (Vcc) o ------- | | | +--+--+---------------------+--+--+------------+------+-o 1 | | | | | | | ===.1uF | +5V | -------- [R][R][R] 3x10K 3x10K [R][R][R] LS05 | | | | | | | | | | | pin 7 o-+------+-o 2 | | 12 o-+--+ | | 3| 4 | | | (Gnd) | GND | | 17 o-+-----|--|----| >o-------------+--|--|--------------+ | | | | | | |/ 8 /|9 | | 10 /|11 +----+-o 3 | | 15 o-+-----+--|--------------o< |------+--|------o< |----+ | SCL | | | | 1| 2 | | | | | | 9 o-+--------|----| >o-------------------+--------------+----+-o 4 | | | | |/ 6 /|5 | | SDA | | 11 o-+--------+----------------------------------o< |----+ ------- | 10 o-+-+ | 4-pin | 13 o-+-+--oGND Connector | 25 o-+-+ ------------------ Part List -------------------------- -------- | 1 - .1 uF capacitor | 6 - 10K 5% resistors | 25-pin male D | 1 - 4-pin connector | 1 - 25-pin male D connector | connector to PC | 1 - 74LS05 open collector hex inverter | printer port ------------------------------------------------------- SEE ALSO
iicbb(4), iicbus(4), ppbus(4) HISTORY
The lpbb manual page first appeared in FreeBSD 3.0. AUTHORS
This manual page was written by Nicolas Souchu. BSD
October 25, 1998 BSD
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