EP001 is a beginner kit with little or no previous knowledge of electronics. Basic soldering techniques required for circuit board assembly. It comes with two sets of flashing circuit and sound circuit, and soldering tools including a soldering iron, cutting pliers and a soldering base. This will make learning electronics easy and fun! Just follow our manual and build exciting projects. You can even play electronic games with your friends. Enjoy hours of educational fun while learning about electronics.


Key Features:

• A simple two LED flasher
• An ambulance siren
• A soldering iron
• Cutting pliers
• A soldering base

This electronic circuit will transform the low voltage of 9 V batteries into high enough power for shocking effect when touched, but will not be in the range to create any permanent or fatal damage. Assembly is required!
*ADULT SUPERVISION REQUIRED FOR THIS PROJECT. MUST BE 18 YEARS OF AGE or OVER TO PURCHASE ELECTRIC SHOCK KIT.


Key Features:

• This electronic circuit will transform a low voltage of 9V. batteries into a high enough power shocking effect.
• Box for product Part #FB08

The water level indicator 3 level device is designed for measurement the water in a pool or tank by using LED to show the water level. The application is very convenience and the price is reasonable. Assembly is required!


Key Features:

• This circuit is designed for measurement water in a pool or tank by using led to show the water level.
• Power supply 6-9 V.
• Box for product Part #FB03

Additional Information:

• Click here to view the circuit diagram

Signal generator kit, two tone. This signal injector circuit is a signal generator that uses for maintaining and checking radio or amplifier. Assembly is required!


Key Features:

• Uses for maintaining and checking radio or amplifier.
• This circuit has 2 level adjustment which are 500 Hz and 1000 Hz frequency.
• Signal power is 2,600 mV. maximum 1mA voltage consumption and requires 3V.
• Box for product Part #FB03

Raining Alarm Kit with speaker. This raining alarm circuit is low cost and very useful by connecting sensor printed board with across lines and placing on the raining area, when raining, the circuit will alarm and led will display. Assembly is required!


Key Features:

• A very simple circuit with useful application the device consists of a printed sensor to be put up in the open.
• Generate a signel via on LED when wet.
• Power supply 9V.
• Box for product Part #FB03

This digital clock circuit requires 220 V AC. and has led display to show time and has a backup circuit. Assembly is required!


Key Features:

• It has LED display to show time and has backup circuit.
• It is useful when AC failure, LED display does not show but circuit still work.
• Power supply 220V.
• Box for product Part #FB10

This digital clock timer comes with LED display. Assembly is required!


Key Features:

• This clock timer circuit can be set as a timer.
• It has backup circuit to prevent data lost during AC faiture.
• Power supply 220V.
• Box for product Part #FB06

The in circuit checker device can examine both NPN and PNP to check that whether it is practical or not. Assembly is required!


Key Features:

• The circuit TR checker device an examine both NPN and PNP transistor to check that whether it is practical or not.
• Power supply : 9V.
• Box for product Part #FB03

Never let your plants go dry again with this soil moisture indicator kit. This measuring humidity in soil circuit presents 4 levels of measurement. If there is low humidity, few led will display. If there are high humidity, most led will display. Assembly is required!


Key Features:

• The moisture level of the soil is show by the number of LEDs from 1 LED for low moisture level up to 4 LEDs for high moisture level.
• Power supply 9 V.
• Box for product Part #FB01

Continuity meter circuit is an electronic circuit that uses for measuring 1 ohm - 500 Kilo-ohm of electrical home appliance and sending sound output to speaker. If the electrical home appliance has low ohm, it will be high volume and frequency sound. If that appliance has high resistance, it will be low volume and frequency sound. Assembly is required!


Key Features:

• Type of electronic meter that use sound as on indicator of a resistance level form 1 ohm up to 500Kohm through a speaker.
• Power supply 9V.
• Box for product Part #FB03

This kit detects water, and sounds the alarm! The water sensor alarm is useful for saving money from overflow water with sound alarm. Assembly is required!


Key Features:

• The water sensor alarm is useful for saving money from overflow water.
• Power supply 9V.
• Box for product Part #FB03

Keep those hydro bills down with this refrigerator door closing warning kit. Assembly is required!


Key Features:

• A timer of the circuit will trigger a warning alarm if a refrigerator door was left open longer that a predetemined low point ( 7.8 - 12 V. range)
• Power supply 9V.
• Box for product Part #FB03

Don't let your battery go below 12V with this low battery alarm kit. Low battery alarm circuit is an electronic circuit that uses for measuring voltage from battery. Assembly is required!


Key Features:

• It uses for measuring voltage from battery, if battery contains lesser voltage than standard this circuit will work.
• This circuit can be adjusted 7.8-12 volt by adjusting at variable resistance
• Normally 10 volt adjustment is suggested for 12 volt battery.
• Box for product Part #FB01

You can hear a whipser with this whisper amplifier kit. This whisper amplifier device is a micro one used for someone who rare to hear or interception. The circuit utilizes a condenser MIC to work the reception function and a big headphone to amplify the voice. It requires only two dry cell. Assembly is required!


Key Features:

• A small amplifier circuit with high sensitivity through the use of a MIC condenser.
• 3V. power supply from 2 batteries.
• Suitable for people with hearing problem.
• Box for product Part #FB03

This electronic circuit is able to generate 10-30KHz sonic range frequency to keep mosquitoes away from the immediate vicinity. Assembly is required!


Key Features:

• This electronic circuit is able to generate 10-30 kHz sonic range frequency to keep mosquitoes away from the immediate vicinity.
• Power supply 1.5V.
• Box for product Part #FB03

Very useful for security purposes the metal detector circuit allows for the selection of sensitivity level to suit any particular requirement. Assembly is required!


Key Features:

• Very useful for security purpose.
• This circuit can detect all kinds of metals like copper,bronze,aluminium and iron.
• There is also adjusting volume for sensitivily of the circuit for convince.
• Power supply 9V.
• Box for product Part #FB04

Just like on an airplane, a chime is sounded before the speech to get people's attention. A simple press-button sounds the chime to catch the attention of your audience. Once gained, you can then proceed with the business of announcing. Just run this into your sound mixer. Runs on 9vDC. Fits in FB03. Assembly is required!


Key Features:

• Using a ting-tong sound prior to the speech or announcement.
• The function is working only by pressing switch on.
• Power supply 9V.
• Box for product Part #FB03

The air ionizer 22 v. circuit is suitable for installing in those rooms with air-conditioners. The circuit will load negative voltage that makes us feel fresh eliminates smoke and dust in the air. Assembly is required!


Key Features:

• Suitable for closed space such as air conditioned room with poor ventilation.
• Generating negative ions to clean up the atmosphere.
• Power supply 220V.
• Box for product Part #FB10

Additional Information:

• Click here to view the circuit diagram

This digital direct current volt meter device is used for measure the direct voltage at maximum 1,000 Volt. Assembly is required!


Key Features:

• It is used for measure the direct voltage at maximum 1000V.
• Power supply 7-15 V.
• Box for product Part #FB06

Digital AC Volt meter circuit is an electronic device that uses for measuring alternating current frequency voltage. Assembly is required!


Key Features:

• Electronic device that use for measuring of alternated current up to the maximum of 500 V.
• Power supply 7-15V.
• Box for product Part #FB06

Additional Information:

• Click here to view the circuit diagram

A two digit digital counter kit. Counts to 99, but can be attached to a second unit to count up to 9999!! Runs on 6 - 12vDC. Fits in FB04. Assembly is required!


Key Features:

• The digital counter 2 digit device is mximum count to 99 but also can be connected with the other set to increase the count to 9999 and more.
• Power supply 6-12V.
• Box for product Part #FB04

Good for relaxing tight muscles and relieving pain, two volume regulator adjustment, requires 9V. battery or adapter. Assembly is required!


Key Features:

• Good for relaxing tight muscles and relieving pain.
• Consists of two volume regulator adjustment.
• Requires 9V. battery or with an adapter.
• Box for product Part #FB03

Voice recording is retained for up to 100 years typically without power, moreover it can be re-recorded typically over 100,000 times, record duration is 20 seconds, power supply 4.5V. Assembly is required!


Key Features:

• This circuit voice recording is retained for up to 100 years typically without power.
• It can be re-recorded typically over 100,000 times.
• Record duration is 20 seconds.
• Power supply 4.5V.
• Box for product Part #FB17

This generator produces sounds to deter rats and cockroaches. Within the range of 10 – 33 KHz. Sound speed can be adjusted. A piezo loudspeaker is included. Power supply : 9 VDC. Assembly is required!


Key Features:

• This generator produces sounds for rat and cockroach banisher.
• Within the range of 10 – 33 KHz.
• Can be adjust the speed of sound.
• A piezo loudspeaker is included.
• Power supply : 9 VDC.

Great project for Hallowe'en! This circuit will change the voice of human to high or low following adjustment to the signal. * Ideal for party and fun. * Power supply : 9VDC. * Current consumption : 100 mA. Max. Assembly is required!


Key Features:

• This circuit is changing the voice of human to high or low following adjust the signal.
• Idea for party and fun.
• Power supply : 9VDC.
• Current consumption : 100 mA. Max.

Additional Information:

• Click here to view the circuit diagram

This digital clock circuit requires 110 VAC. or 220 VAC. (50 Hz. or 60 Hz.) * And has LED display to show the time and has backup circuit. * The battery backup is useful when AC failure, LED display does not show but the circuit still works. Assembly is required!


Key Features:

• This clock timer circuit can be set as a timer.
• It has backup circuit to prevent data lost during AC failure.
• It needs 110 VAC. Or 220 VAC. (50 Hz. Or 60 Hz.)

Additional Information:

• Click here to view the circuit diagram

This clock timer circuit can be set as a timer. * It has backup circuit to prevent data lost during AC failure. * It needs 110 VAC. Or 220 VAC. (50 Hz. Or 60 Hz.) Assembly is required!


Key Features:

• This digital clock circuit requires 110 VAC. or 220 VAC. (50 Hz. or 60 Hz.)
• It has LED display to show the time and has backup circuit.
• The battery backup is useful when AC failure, LED display does not show but circuit still work.

The purpose of this kit is for checking the infrared remote control. Assembly is required!


Key Features:

• It has LED to indicate checking status.
• Operating voltage : 3 - 5 VDC.
• Current consumption about 500 µA @ 3 VDC.
• Recommended housing : FB17
• PCB dimensions : 1.6" X 1.0"

Use this kit as a thermostat from 0 - 100 Celcius. Controls your device by switching on the relay when the warm temperature you desire is reached (for a fan/airconditioner), or when the low temperature is reached (heater), depending on the state of the two position switch. Runs on 12 V DC. Assembly is required!


Key Features:

• To measure temperature.
• Cut-off circuit point when temperature goes below or beyond the setting point varied 2˚C from your setting.
• Detect temperature in a range from 0˚ TO 100˚C.
• Used IC LM335Z is the detector temperature.
• The temperature range can be adjusted be potentiometer.
• Operating voltage : 12 VDC.
• Current consumption about 50mA.
• Recommended housing : FB04
• PCB dimensions : 3.8" X 2.1"