Electronic Keys & Locks

Admin December 20, 2020
0 23
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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Admin July 17, 2020
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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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Admin July 7, 2020
0 128
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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Admin June 24, 2020
0 23
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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Admin June 20, 2020
0 16
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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Admin June 11, 2020
0 56
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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Admin June 10, 2020
0 86
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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Admin May 20, 2020
0 47
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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Admin May 19, 2020
0 29
EXPERIMENTS WITH DIJTAL DOORS

There are 41 applications on TTL digital doors. I am thankful to our readers, S.Demirhan(sdmh), who brought the file to me . Many of the circuits…
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Admin May 11, 2020
0 28
TDA1514 50 WATT MONO KIT

This circuit board can be used for single channel 50w output circuit board sizes are small, and the layout of…
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Electronic Keys & Locks

iButton electronic lock Schematic Circuit Diagram

LM1458 SINE WAVE MANUFACTURER CIRCUIT

ATX12V M605 SG6105 TDA865 P4 SWITCHING POWER SUPPLY COLORS IT 330U

SIMPLE SHOCK CIRCUIT USING 12V RELAY COIL SCHEMATIC CIRCUIT DIAGRAM

VARIOUS ELECTRICAL, ELECTRONIC, MECHANICAL ANIMATIONS (IN GIF FORMAT) SCHEMATIC CIRCUIT DIAGRAM

NIKOLA TESLA DRAWINGS DESIGNS ELECTRONIC ELECTRIC (PATENT)

SIMPLE ELECTRONIC CIRCUITS DIAGRAMS

SIMPLE FAN SPEED CONTROL CIRCUIT WITH TRANSISTOR

EXPERIMENTS WITH DIJTAL DOORS

PWM motor speed control using Arduino Schematic Circuit Diagram

Frequency counter using Arduino (upto 40KHz) Schematic Circuit Diagram

19 Watts Simple Amplifier Schematic Circuit Diagram