Results tagged #Reed Switch in Circuits
Off TV with reed elimination circuit diagram highlights
As shown by a reed switch off the TV highlights cancellation circuit. Brightness potentiometer W ground a series reed, normally watch TV, t...
Disconnect anti theft alarm circuit
It uses reed KR V control thyristor conduction, with 555 integrated circuit path consisting multivibrator as an alarm generator. When the do...
DOOR AJAR MONITOR
The monitor senses an ajar door and, if the situation isn`t corrected within 20 seconds, sounds a beeping alarm. The circuit is controlled b...
DOOR AJAR MONITOR
The monitor senses an ajar door and, if the situation isn`t corrected within 20 seconds, sounds a beeping alarm. The circuit is controlled b...
Cashbox or Locker Alarm
The locker alarm circuit or cashbox watcher can be used to protect a cashbox/locker from unauthorised access. This tried and tested design f...
Cashbox or Locker Alarm
The locker alarm circuit or cashbox watcher can be used to protect a cashbox/locker from unauthorised access. This tried and tested design f...
Mains Slave Switcher II
As a guide, a one-inch reed switch with 40 turns reliably switched on with the current flowing through a 150-watt lamp (approx. 625 mA) but ...
Simple Alarm System
The circuit presented here is a very simple and yet highly effective alarm system for protecting an object. The circuit requires no special ...
Alarm System for Entrance/Exit Gate
The circuit employs the functions of reed switches to produce a gate alarm that is powered by a universal AC/DC power supply Oscillator an e...
Magic Wand Conjuring Trick.s
The simple conjuring trick in Figure 1 is intended to provide some enjoyment for the beginner in electronics or conjuring, and should take o...
Field-strength meters
This circuit, enclosed in a small plastic box, can be placed into a bag or handbag. A small magnet is placed close to the reed switch and co...
mini alarm
This circuit, enclosed in a small plastic box, can be placed into a bag or handbag. A small magnet is placed close to the reed switch and co...
simple tiny door guard
This simple Door Chime protects the door and gives a loud Alarm tone when there is an attempt of theft. The circuit is too simple and batter...
Mini Alarm Circuit Schematic
This circuit, enclosed in a small plastic box, can be placed into a bag or handbag. A small magnet is placed close to the reed switch and co...
Magnetic Reed Switch Alarm
This circuit is made to be an alarm, both for home and handbags. If it is installed for home it will placed on door or windows, and if it is...
Alarm System for Entrance/Exit Gate
The circuit employs the functions of reed switches to produce a gate alarm that is powered by a universal AC/DC power supply Oscillator ....