WELCOME TO OTHER  CIRCUITS

                    Simple Lie Detector

                    Rain Detector 

                    Stepper Motor Controller 

                    Pulse Width Modulation DC Motor Control

                    Touch Switch 

                    7 Segment LED Counter 

                    Time Delay Relay

                    Pine Racecar Victory Judge

                    Time Delay Relay II 

                    Simple Polarity Tester 

                    Wire Loop Alarm

                    IR Remote Jammer 

                    Video Activated Relay

                    Air Flow Detector 

                    Low Voltage Alarm

                    Simple Two Speed Contactor DC Motor Controller 

ACTIVE ANTENNA FOR AM/FM/SW

ALTERNATING ON-OFF SWITCH

Homemade Easter Egg Anemometer

Active Antenna AA-7 HF/VHF/UHF, 3 to 3000 MHz

AUDIO BOOSTER

AUTO FAN

AVIATION BAND RECEIVER

12 V LEAD ACID MONITOR

Battery Tester for 1.5 and 9V

GELLED LEAD ACID BATTERY CHARGER

6 VOLT GEL CELL CHARGER

BIRDIE DOORBELL RINGER

Broadcast-Band RF Amplifier

BUG DETECTOR WITH BEEP

ELECTRONIC CANARY

12 Vlot to 9 Volt DC Converter

CAR NiCad CHARGER

CLOCK GENERATOR

SMART CONTINUITY TESTER

CONTINUITY TESTER

COIN TOSSER

CUT PHONE LINE DETECTOR

Dark/Light Activated Relay

COURTESY /DOME  LIGHT DELAY

DUAL VOLTAGE POWER SUPPLY

WIRE TRACR

Glowplug Driver for R/C

Headlight Alarm

HEAT SENSOR

Latching Continuity Tester

LED FLASH

Basic IC MonoStable Multivibrator

Automatic 9-volt battery charger, by Jan Hamer.    

Audio Pre-Amplifier

The ZAP-Adaptor, rejuvenates DEAD NiCads

FLUID LEVAL SENSOR

Christmas Lights Tester

CRYSTAL TESTER