simple opto circuit for relay
#opto-isolator
#relay
#switching
#isolation
#circuit protection
#signal control
#low voltage
#high voltage
#electronic switch
#control circuit
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DC relay circuits to delay the release of a second
The circuit depicted in Figure 6-24 includes a relay coil with both ends connected in parallel to either a resistor Rf or an auxiliary diode VD. This configuration is equivalent to providing power after a short circuit, which increases the...
electronic circuit breaker
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and, by interrupting continuity, immediately discontinue electrical flow....
High Voltage Low Current Supply
The following circuit illustrates a High Voltage, Low Current Supply. Features: This circuit is utilized for applications such as biasing gas-discharge tubes, radiation detectors, and similar devices.
The High Voltage, Low Current Supply circuit is designed to provide a stable high...
GS500 Horn
A relay is an electrically operated switch that utilizes a coil to create magnetism, which closes the contacts of the switch. In automotive applications, a 12V signal through the coil allows 12V to flow through the switch contacts. The advantage...
Solid State Tesla Coil/High Voltage Generator
This circuit is designed to demonstrate high-frequency high voltage, capable of producing approximately 30 kV, depending on the transformer utilized. It is cost-effective and simple to construct, primarily using a standard TV flyback transformer. The circuit can power lasers, demonstrate...
MicroFlash Schematic
The two resistors serve dual purposes. Firstly, they limit the current to a lower value in case of accidental contact with the circuit. Secondly, when the flash is activated, the main capacitor behaves like a short circuit to the power...
High Voltage Inverter
This is a simple high-voltage inverter circuit. It uses an NPN transistor type 2N3055. This circuit is designed to invert low voltage to high voltage.
The high-voltage inverter circuit utilizing the 2N3055 NPN transistor serves as an effective means to convert...
Portable Jacobs Ladder
Portable Jacob's Ladder circuit designed specifically for experimental purposes.
The Portable Jacob's Ladder circuit is an intriguing project that demonstrates the principles of high-voltage arc generation. This circuit is typically utilized in educational settings or experimental demonstrations, showcasing the behavior of...
600 VOLTS POWER SUPPLY FOR QRO
Amateur Radio Transmitters using valves such as 807 or 1625 works well with a plate voltage between 600V to 700 Volts. The circuit described here is a full wave voltage doubler. The output voltage is twice the input voltage. For...