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Posts tagged Hybrid

Simple Alarm Circuit using 12C509

alarm circuit diagrams Simple Alarm Circuit using 12C509, 2N7000, 78L05

SCHEMATIC DIAGRAM Relay Driver Board Project

This article means to utilize your old PC to be come a simple controller. Many old PC like 8088 type, 8086, 80286, 80386, or even 80486 already become an obsolete systems. This board using 8-bits of LPT printer parallel data port (DP) to activate the relays. LPT printer parallel port also have 4-bits additional port […]

audio speakers

audio speakers using lm3876

DTMF control RELAY SWITCHING circuit using M8870, 4013, BC548

DTMF control RELAY SWITCHING circuit using M8870, 4013, BC548

need schematic diagram RCA ac/dc TV set, model E09304WH, chassis TX825NC. AC power supply resistors burned up.

Bernie H asked: The model no. and chassis no. are on the back of the set, not on the remote. Date of manufacture Oct. 1995. Small portable TV set 115v./12v for RV use. Works ok on 12 volts, 3 or 4 resistors in 115v circuit fried.

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