A Issue/Page
AC (Alternating Current) 4 p3
Active High 8 p1
Active Low 8 p1
Address 12 p1
All about...  
    Reed switches 6 p3
    Resistors 1 p3 , 9 p3
Alphanumeric displays (7-segment) 8 p1
AND gate 6 p2
Anode 2 p1
Astable circuit (NE555) 2 p2
Audio connectors 5 p3

B
Back-EMF 3 p2
Bar 6 p2
Banana connectors 4 p4
BCD (Binary Coded Decimal) 7 p2
BFY51 transistor pin-out 8 p4
Biased switches 5 p2
Binary counting 7 p2
Binary numbering system 7 p2
Binary to decimal conversion 7 p2
Bit 7 p2
Boolean expressions 6 p2
Bounce (Switch contact bounce) 7 p2
Breadboard 2 p4
Byte 7 p2

C
Cascading counter ICs 8 p1
Cathode 2 p1
Chocolate vending machine 1 p3
Circuits Shop
    555 Astable Module Shop
    555 Bistable Module Shop
    555 Monostable Module Shop
    Darlington Pair Motor Speed Control Module Shop
    Four Motor Controller Shop
    Meccano Relay Board Shop
    Regulated 5V Power Supply Module Shop
    Slotted Opto-switch Module Shop
    Stepper Motor Driver Module Shop
Cliff lift model 10 p2
Clock (CK) (4520) 7 p2
Clock (CK) (SAA1027) 2 p2
Common 1 p1/2
Common cathode 7-segment display 8 p1
Component Calculator Wizards  
    Index Wiz
    LED resistor Wizard Wiz
    NE555 astable Wizard Wiz
    NE555 monostable Wizard Wiz
Computer control 10 p2
Connectors  
    Single-way 4 p4
    Multi-way 5 p3
Contact bounce 7 p2
Contributors
Those who have written articles for Electronics in Meccano
    Michael Adler
        Practical Matters: Veroboard 9 p2
        Pulse Width Modulation motor control 6 p1
    Robin Davidson
        Pulse Width Modulation motor control 6 p1
    Gilbert Ghyselbrecht
        Meccano mechanisms incorporating electronics 11 p1
        Model Study: A cliff lift 10 p2
    John Hewes
        Motor speed control with a Darlington Pair 8 p4
        Rotary switch motor controllers 7 p3
        Using more powerful stepper motors 3 p3
    Mike Tebbutt
        The infra-red experience! 11 p4
    Stan Leech
        Simple motor control 5 p2
Counter ICs 7 p2 , 8 p1
CMOS (Complementary Metal Oxide Semiconductor) 6 p2
Crane control using decoder ICs 8 p1
Crane reversing switch 1 p1 , 2 p3 , 5 p2
CRT (Cathode Ray Tube) Display 8 p1

D
Daisy-chaining counters 7 p2
Darlington Pair (transistors) 8 p4
DC (Direct Current) 4 p3
De-bounce (Switch contact bounce) 7 p2
Decimal to binary conversion 7 p2
Decoder ICs 8 p1 , 12 p1
Digital electronics 6 p2
Diodes 3 p3
Discharge (NE555) 3 p1
DPDT 1 p1
D-Type connectors 5 p3
Duty cycle 3 p2 , 6 p1

E
Earthing 5 p2
Electronics Guide poster
Limited edition poster available until end of March 2000
Printed Edition
Enable (EN) (4520) 7 p2
Encoder ICs 12 p1
EOR gate (Exclusive-OR) 6 p2
Equations, solving (Ohm's Law example) 4 p2

F
Finite State programming model 10 p2
Five-band resistors 9 p3
Four-band resistors 1 p3
Frequency 3 p2
Full-wave rectifier 4 p3
Fuse 5 p3

G
Gas Discharge displays 8 p1

H
Hexadecimal numbering system 7 p2
High (Logic) 3 p1 , 6 p2

I
IC holders 3 p4
ICs
Click PDF icons for datasheets
    Click here to read this datasheet in Adobe Acrobat format  4001 NOR gates 6 p2
    Click here to read this datasheet in Adobe Acrobat format  4011 NAND gates 6 p2
    Click here to read this datasheet in Adobe Acrobat format  4017 1-of-10 counter decoder, active high outputs 8 p1
    Click here to read this datasheet in Adobe Acrobat format  4029 programmable 4-bit binary/BCD up/down counter 7 p2 , 10 p1
    Click here to read this datasheet in Adobe Acrobat format  4069 NOT gates 6 p2 , 10 p1
    Click here to read this datasheet in Adobe Acrobat format  4070 XOR gates 6 p2
    Click here to read this datasheet in Adobe Acrobat format  4071 OR gates 6 p2
    Click here to read this datasheet in Adobe Acrobat format  4081 AND gates 6 p2
    Click here to read this datasheet in Adobe Acrobat format  4511 seven-segment display decoder driver 8 p1
    Click here to read this datasheet in Adobe Acrobat format  4514 1-of-16 decoder, active high outputs 8 p1
    Click here to read this datasheet in Adobe Acrobat format  4515 1-of-16 decoder, active low outputs 8 p1
    Click here to read this datasheet in Adobe Acrobat format  4518 dual 4-bit BCD up counter 8 p1
    Click here to read this datasheet in Adobe Acrobat format  4520 dual 4-bit binary up counter 7 p2
    Click here to read this datasheet in Adobe Acrobat format  78xx & 79xx voltage regulators 4 p3
    Click here to read this datasheet in Adobe Acrobat format  HT12D four channel decoder 12 p1
    Click here to read this datasheet in Adobe Acrobat format  HT12E four channel encoder 12 p1
      HT2884 sound generator 9 p1
    Click here to read this datasheet in Adobe Acrobat format  NE555 timer 6 p1
      PIC16C84 microcontroller 10 p2
    Click here to read this datasheet in Adobe Acrobat format  SAA1027 stepper motor driver 2 p2
          Replacement circuit 10 p1
      UM3561 sound generator 9 p1
Infra-red System (Meccano) 11 p4
Intermittent motion 3 p1
Inverter (NOT gate) 6 p2

J
JAL (Just Another Language) programming language 10 p2

K
kilo (k) prefix 4 p2

L
Lamps  
    Connecting to NE555 output 3 p2
Latching relay circuit 1 p2
LCD (Liquid Crystal Displays) 8 p1
LED (Light Emitting Diode)  
    About LEDs 2 p1
    Connecting to NE555 Output 3 p2
    LED Moving Message Display System Read
    LED Resistor Wizard Wiz
    LED 7-segment display 8 p1
Logic gates 6 p2
Logic ICs 6 p2
    Reducing the number of gates in a circuit 7 p1
Logic levels 3 p1
Low (Logic) 3 p1 , 6 p2
LSB (Least Significant Bit) 7 p2

M
Mains safety 5 p2
Mark (Logic) 3 p1
Math's, how to work out unit prefixes 4 p2
Meccano Infra-red System (IRS) 11 p4
Meccano mechanisms incorporating electronics 11 p1
Meccano Relay Board 11 p1
Mega (M) prefix 4 p2
Micro (m) prefix 4 p2
Microcontroller 10 p2
Millie (m) prefix 4 p2
Model Study  
    Cliff Lift 10 p2
    Chocolate Vending Machine 1 p3
    Meccano mechanisms incorporating electronics 11 p1
Monostable circuit 4 p1 , 12 p1
Motors  
    2-speed forward/reverse controller 7 p3
    4-speed forward/reverse controller 7 p3
    Connecting to NE555 output 3 p3
    Driving from a digital output 8 p1
    Forward/Reverse control from AC supply 5 p2
    Intermittent motion 3 p3
    Pulse Width Modulation (PWM) 6 p1 , 7 p1
    Sequencing using decoder ICs 8 p1
    Speed control using a Darlington Pair 8 p4
    Stepper motors 2 p2 , 3 p3 , 10 p1
Motor reversing switch 1 p1 , 2 p3 , 5 p2
Moving Message Display System Read
MSB (Most Significant Bit) 7 p2
Multivibrator 3 p1

N
Nano (n) prefix 4 p2
NE555  
    About the NE555 3 p1
    Astable 3 p1 , 2 p2
    Astable components Wizard Wiz
    Bistable 5 p1
    Monostable 4 p1 , 12 p1
    Monostable components Wizard Wiz
    Some NE555 tricks 4 p2
NAND gate 6 p2 , 7 p1
NOT gate 6 p2
NOR gate 6 p2
Normally Closed (NC) 1 p2
Normally Open (NO) 1 p2
Number systems (Binary, Decimal, Hexadecimal) 7 p2
Numerical displays (7-segment) 8 p1

O
Ohmega (W) 1 p3
Ohm's Law 1 p3 , 2 p1 , 4 p2
Opto switch 10 p2
OR gate 6 p2

P
PCB pin connectors 5 p3
PIC Microcontrollers 10 p2
Pins (IC) 3 p1
Pixels 8 p1
Position sensors (slotted opto switches) 10 p2
Potentiometers (pot.) 4 p2
Power connectors 5 p3
Power Law 5 p2
Power supply conventions 3 p3
Power supply systems 4 p3
Practical Matters  
    Breadboarding 2 p4
    Connectors - Single way 4 p4
    Connectors - Multi way 5 p3
    Soldering 1 p4
    Ways to build a circuit 2 p4
Prefixes (k, m etc.) 4 p2
Preset potentiometer 4 p2
Program design 10 p2
Programmable counter ICs 7 p2
Prototyping board 2 p4
Push-to-operate system 1 p2 , 4 p1
PWM (Pulse Width Modulation) 6 p1 , 7 p1 , 10 p2

R
Radio control 11 p3 , 12 p1
Reed switches 6 p3 , 12 p1
Reed relays 12 p1
Rectification 4 p3 , 5 p3
Regulated power supply 4 p3
Regulation 4 p3
Regulator ICs (78xx and 79xx series) 4 p3
Relays  
    About relays 1 p2 , 2 p3
    Connecting to NE555 output 3 p2
    Meccano Relay Board 11 p1
    Reed relays 12 p1
Remote control 11 p3 , 12 p1
Receiver 11 p3 , 12 p1
Reset (R) (4520) 7 p2
Resistors 1 p3 , 9 p3
Reversing switch 1 p1 , 2 p3 , 5 p2
Ripple 4 p3
Ripple counters 7 p2
Rotary switches 7 p3

S
SAA1027 2 p2
Segment displays 8 p1
Sequencing motors using decoder ICs 8 p1
Seven-segment displays (LED) 8 p1
Sinking 4 p2
Siren sound ICs 9 p1
Slotted opto switches 10 p2
Smoothed power supply 4 p3
Smoothing 4 p3
Soldering 1 p4
Sound generator ICs 9 p1
Sourcing 4 p2
Space (Logic) 3 p1
Speed control using a Darlington Pair 8 p4
Square wave 3 p1
States (Logic) 3 p1
Stepper motors 2 p2 , 3 p3
Stripboard 3 p4 , 9 p2
Stripboard Layout Planning Sheets
(free with issue 3... MS Publisher file available to download, size 109Kb)
Switches  
    Biased switch 5 p2
    Reed switch 6 p3
    Reversing switch 1 p1 , 2 p3 , 5 p2
    Slotted opto switch 10 p2
Synchronous counters 7 p2

T
Threshold (NE555) 3 p1
Time period 3 p2 , 4 p1
Tinned copper wire 3 p4
Tinning 1 p4
TIP31A transistor 8 p4
TIP32C transistor 3 p3
Transformers 4 p3
Transistors 8 p4
Transistor-Transistor Logic (TTL) 6 p2
Transmitter 11 p3 , 12 p1
Trigger (NE555) 3 p1
Truth table 6 p2
Two-state (Logic) 3 p1

U
Uni-polar 2 p2

V
VA 5 p2
Variable resistors 4 p2
Variable resistors - controlling a motor 8 p4
Vending machine model 1 p3
Veroboard, designing layouts 9 p2
Vs and 0V 3 p3

W
Wafer rotary switches 7 p3
Wander connectors 4 p4
Watts (W) 5 p2
What's That?  
    What's m and k? 4 p2
    What's VA? 5 p2
    What's Vs and 0V? 3 p3
Wiper 4 p2

X
XOR gate (Exclusive-OR) 6 p2

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