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Tablet & Mobile
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This transistor circuit includes a light sensor. It can be configured so that the LED lights up in darkness or in bright light.
This circuit includes a light sensor. The more light falling on the sensor, the brighter the LED will shine. The circuit can be run from a 9 volt PP3 battery
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
When light falls on the sensor in this circuit the LED turns on and stays on until the reset switch is pressed. This typical alarm circuit may be configured in different ways with different sensors or
This simple circuit lights up the LED when the switch is pressed. The circuit can be run from a 9 volt PP3 battery
This board offers the means for controlling a servo with a variable resistor connected via a length of ribbon cable. When the spindle of the variable resistor is turned, the servo mirrors this movemen
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
This circuit contains a large capacitor that can be charged by a solar panel generator or battery. When the switch is pressed the energy is released from the capacitor to light up the LED.
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
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This transistor circuit includes a light sensor. It can be configured so that the LED lights up in darkness or in bright light.
This circuit includes a light sensor. The more light falling on the sensor, the brighter the LED will shine. The circuit can be run from a 9 volt PP3 battery
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
When light falls on the sensor in this circuit the LED turns on and stays on until the reset switch is pressed. This typical alarm circuit may be configured in different ways with different sensors or
This simple circuit lights up the LED when the switch is pressed. The circuit can be run from a 9 volt PP3 battery
This board offers the means for controlling a servo with a variable resistor connected via a length of ribbon cable. When the spindle of the variable resistor is turned, the servo mirrors this movemen
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
This circuit contains a large capacitor that can be charged by a solar panel generator or battery. When the switch is pressed the energy is released from the capacitor to light up the LED.
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Supplied in component form with full assembly instructions. The assembled kit provides a switch circuit which is operated by voice or sound. Sensitivity is adjustable, and the circuit has an adjustabl
Showing products per page