Electronic Keys & Locks
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Password Based Door Lock System using 8051 Microcontroller
The Password Based Door Lock System with the 8051 Microcontroller is a simple project that uses a secure password to…
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Password Based Door Lock System using 8051 Microcontroller
The Password Based Door Lock System with the 8051 Microcontroller is a simple project that uses a secure password to…
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iButton electronic lock Schematic Circuit Diagram
Since iButton DS1990A introduced in the market from Dallas Semiconductor (MAXIM), it has been used in many applications concerning security,…
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LM1458 SINE WAVE MANUFACTURER CIRCUIT
Sine wave generating circuit with LM1458 op amp is working with 6 op .15v dc sine output from pin 7…
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ATX12V M605 SG6105 TDA865 P4 SWITCHING POWER SUPPLY COLORS IT 330U
ATX12V COLORS iT 330U EN60950 PFC M605 power switch TDA865 5v stantby SG6105 Regulator, PWM Power Supply Supervisor P4 Switching…
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SIMPLE SHOCK CIRCUIT USING 12V RELAY COIL SCHEMATIC CIRCUIT DIAGRAM
A simple electronic shock circuit made with a few changes made on the 12Volt Relay. A 200-volt winding was added from…
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VARIOUS ELECTRICAL, ELECTRONIC, MECHANICAL ANIMATIONS (IN GIF FORMAT) SCHEMATIC CIRCUIT DIAGRAM
Various animations that may be useful for understanding the operation of some circuits, mechanical systems. In addition, there are animations in…
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NIKOLA TESLA DRAWINGS DESIGNS ELECTRONIC ELECTRIC (PATENT)
Electrical engineer engineer engineer big inventor Nikola Tesla has prepared many drawings and detailed information (in English) are available. A…
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SIMPLE ELECTRONIC CIRCUITS DIAGRAMS
In terms of signals with frequencies over 20 kHz ultrasonic waves are ultrasonic waves or ultrasound call. The use of a 36 kHz or 40…
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SIMPLE FAN SPEED CONTROL CIRCUIT WITH TRANSISTOR
4 bc639 transistors are used in fan speed control circuit and speed can be adjusted with 47k trimpot on the…
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