FUTURE KIT 1201 - User Manual

LEVEL1
http://www.futurekit.com
FUTURE KIT
FUTURE KIT
HIGH QUALITY ELECTRONIC KITS
HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION
R
ǧ¨Ãä¿¡ÃоÃÔº 2 ¨Ñ§ËÇÐ LED 6 ´Ç§
LED FLASHER 6 LED
CODE 1201
Technical Data
- Power supply : 9VDC.
- Electric current consumption : 12mA.
- Display : 3 red LED's and 3 green LED's
- Potentiometer
- IC board dimension : 2.04 in x 1.60 in.
Soldering Components
- Soldering Iron 25-40W.
- Soldering Iron Stand
- Diagonal Cutter
- Nose Plier
- Cutter
Precaution during PCB assembly process
1.Newcomer should work under close supervision of the teacher.
2.Read and follow all the PCB assembly instruction.
3.The exact location of all electronic components can be found on
the printed circuit board.
4.The completed assembly work must be tested corefully to avoid
damage due to components misplacement.
Soldering process
1.Put the electronic component into it's proper place on the printed
circuit board. By observing the printed detail.
2.Apply the soldering Iron tip to the leg of the component and the
pad of the circuit board simultaneously. Stay in that position for 3
seconds.
3.Feed wire core solder into the joint. Do not feed solder into the tip
while you solder.
4.Good joint should have piramid shape and not over flow to the
other joints.
5.When all soldering processes are finished, cut the protruding legs
of all components by side-cutting plier.
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The sequence of components placement
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COPPER LAYER
PHENOLIC BASE
COMPONENT
DIAGONAL
CUTTER
SHORT CIRCUIT
CORRECT
SOLDER
CORRECT
FALSE
FALSE
SOLDERING IRON
25 TO 40 WATTS
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1.The lowest height components will be first put on. From this circuit is a resistor. Begin with R1 and R4 by bending it's 2 legs and
insert them into the holes in the circuit board before doing the soldering process (as explain before).
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3.Put the potentiometer into the place and then solder it accordingly.
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4.Put transistores into their places and then solder them accordingly.
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2.The next resistor to be put on are of R2 and R3 by bending it's 2 legs and insert them into the holes in the circuit board before
doing
R ..... Ω
µÑǵéÒ¹·Ò¹ (R1 áÅÐ R4)
RESISTOR (R1 and R4)
R ..... Ω
µÑǵéÒ¹·Ò¹ (R2 áÅÐ R3)
RESISTOR (R2 and R3)
VR ....KΩ
1
2
3
VR
VR
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TRIMMER
POTENTIOMETER
VR1
TR
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TRANSISTOR
NPN
B
E
C
TR
VR1
TR1
TR2
TR1, TR2

Summary

Technical Data and Components

Precaution during PCB Assembly Process

Assembly Supervision and Instruction Following

Newcomers should work under supervision and follow all assembly instructions.

Component Location and Testing

Locate components on the PCB and test the completed assembly carefully.

Soldering Process Guide

Component Placement on PCB

Place electronic components correctly on the printed circuit board as per detail.

Soldering Iron Application

Apply soldering iron tip to component leg and pad simultaneously for 3 seconds.

Solder Feed and Joint Quality

Feed solder into joint, avoid tip feed, ensure pyramid shape joints.

Post-Soldering Trimming

Cut protruding component legs with side-cutting pliers after soldering.

Component Placement Sequence

Resistor Installation (R1, R4)

Install resistors R1 and R4 by bending legs and inserting into PCB holes.

Resistor Installation (R2, R3)

Install resistors R2 and R3 by bending legs and inserting into PCB holes.

Trimmer Potentiometer Installation

Install the trimmer potentiometer into its place and solder it.

Transistor Installation

Install transistors into their places and then solder them accordingly.

Electrolytic Capacitor Installation

Install electrolytic capacitors, paying attention to polarity.

LED Installation

Install all LEDs into their places, paying attention to polarity.

PCB Terminal Pin Installation

Install PCB terminal pins for +9V and G connections.

Battery Terminal Soldering

Solder the red wire to +9V post and black wire to G post.

Final Installation Check

Perform a final check of all installed components and soldering points.

Testing and Operation

Battery Connection

Connect the 9VDC battery terminal correctly observing polarity.

LED Flashing Observation

Observe the red and green LEDs flashing alternately.

Flashing Speed Adjustment

Adjust the flashing speed of LEDs using the potentiometer.

Circuit Repair

Overview

1. Function Description
2. Important Technical Specifications
3. Usage Features
   1. Soldering Components
   2. Precaution During PCB Assembly Process
   3. Soldering Process
   4. Sequence of Components Placement
   5. Testing
4. Maintenance Features
   1. Circuit Repair

The FUTURE KIT HIGH QUALITY ELECTRONIC KITS presents the LED FLASHER 6 LED (CODE 1201), a Level 1 electronic kit designed for hobbyists and educational purposes.

Function Description

This kit allows users to build a circuit that creates a two-stage flashing effect using six LEDs. The LEDs (three red and three green) will alternately flash, and the speed of this flashing can be adjusted by the user.

Important Technical Specifications

• Power Supply: 9VDC
• Electric Current Consumption: 12mA (maximum)
• Display: 3 red LEDs and 3 green LEDs
• Control: Potentiometer for adjusting flash speed
• IC Board Dimension: 2.04 inches x 1.60 inches

Usage Features

Soldering Components

To assemble the kit, the following tools are required:

• Soldering Iron (25-40W)
• Soldering Iron Stand
• Diagonal Cutter
• Nose Pliers
• Cutter

Precaution During PCB Assembly Process

1. Supervision: Newcomers should work under the close supervision of a teacher or experienced individual.
2. Instructions: Always read and follow all PCB assembly instructions carefully.
3. Component Placement: The exact location of all electronic components can be found on the printed circuit board. Ensure components are inserted correctly.
4. Final Check: After assembly, the work must be tested carefully to avoid damage due to component misplacement or incorrect connections.

Soldering Process

1. Component Insertion: Place the electronic component into its proper place on the printed circuit board, observing the printed details. Components should be inserted from the top side of the PCB (the side with printed text and white lines) into the copper layer.
2. Heating: Apply the soldering iron tip to the leg of the component and the pad of the circuit board simultaneously for approximately 3 seconds.
3. Solder Application: Feed wire core solder into the joint. Do not feed solder into the tip while soldering.
4. Good Joint: A good solder joint should have a pyramid shape and should not overflow to other joints.
5. Trimming: Once all soldering processes are finished, cut the protruding legs of all components using a side-cutting plier.

Sequence of Components Placement

The assembly process follows a specific order, starting with the lowest-height components:

1. Resistors (R1 and R4): Begin by bending the legs of resistors R1 and R4 and inserting them into their respective holes on the circuit board. Solder them according to the soldering process.
2. Resistors (R2 and R3): Next, insert resistors R2 and R3 by bending their legs and placing them into the holes. Solder them.
3. Trimmer Potentiometer (VR1): Insert the potentiometer into its designated place and solder it. This component allows for adjusting the flash speed.
4. Transistors (TR1, TR2): Place the transistors into their respective positions and solder them.
5. Electrolytic Capacitors (C1, C2): Insert the electrolytic capacitors, paying close attention to their polarity (positive and negative terminals). Solder them.
6. LEDs (Light Emitting Diodes): Insert the LEDs into their designated positions. Ensure correct polarity for each LED (anode and cathode). The kit uses three red and three green LEDs.
7. Binding Posts (+9V and G): Insert the binding posts from the bottom side of the PCB into the "+9V" and "G" positions. Solder them.
8. Battery Terminal: Solder the red wire of the battery terminal to the "+9V" post and the black wire to the "G" post.
9. Final Check: Perform a final recheck for proper installation, ensuring all components are correctly placed and soldered without any shorts.

Testing

1. Battery Connection: Connect a 9VDC battery to the terminal. Observe the correct polarity and shape (masculine vs. feminine) of the battery and terminal to ensure a secure connection.
2. LED Functionality: Observe the red and green LEDs. They should alternately flash.
3. Flash Frequency Adjustment: Adjust the trimmer potentiometer (VR10K).
   • Turning the potentiometer counter-clockwise (to the far left) will increase the flash frequency, making the LEDs flash faster.
   • Turning the potentiometer clockwise (to the far right) will decrease the flash frequency, making the LEDs flash slower.

Maintenance Features

Circuit Repair

Due to the relatively small number of components in this circuit, the most common causes of malfunction are typically:

• Misplaced Components: Components inserted in the wrong positions.
• Poor Solder Joints: Incomplete or cold solder joints.
• Short Circuits: Solder bridging between adjacent pads or component legs.

If the circuit does not work, the primary troubleshooting step is to recheck each component's position and all solder joints for proper connection and absence of shorts.

FUTURE KIT 1201 Specifications

General

Brand	FUTURE KIT
Model	1201
Category	Educational Equipment
Language	English