L
Laser Diode  Basic Electronics Course P53
LED Flasher    Basic Electronics Course P20
LED Peaker
LED Power Meter - also called "Peaker." Measures output power.
Level Crossing

Links:
101 Electronics Links - 100's of Links
Data Bookshelf Links
David L. Jones of Tronnort Technology Links
D. Dimario's circuits - 30 circuits
Dontronics Links
Electronic circuits
ePanorama Links - at least 1,000 links
Larry's Links - 159 great links
Naveen's Electronic circuits and Links
RadioLocman circuits archive - over 9,000 circuits
Robotics UK Links - lots of electronics links
Robot ideas
SatCure Electronics  - many links
Simon of "Electronics 2000"  links
The EE Compendium Links
Tony van Roon's - Circuits and Links
SMD Markings - very large database
Philips SM transistor markings
Weight/length/volume etc conversions


M
The MACRO   PIC Programming Course P 20
Micro Battery Box - holds 3 button cells for Mini Tracker project.
Micro Bug - our smallest bug yet. A fully surface-mount design.
Mini Bench Amplifier A very handy piece of test gear for testing audio circuits.
Mini Tracker - Sends out a beep to track almost anything.
MPASM (200k zip)
Multi Chip Programmer A simple programmer to program PIC chips via the serial port of your computer.
N
NAND Gate (The)   Basic Electronics Course P27
Nitinol Commonly called "Muscle Wire."
Notepad

O
Ohm's Law Calculator    Basic Electronics Course P14
Oscillators and Feedback   Basic Electronics Course P23
OP-AMP   Basic Electronics Course P72

P
Photo Devices   Basic Electronics Course P51
PIC LAB-1 A beginners project using the PIC16F84A.
PIC LICK-1 A module for a PIC16F84A or PIC16F628.
PIC12C508A Instruction-Set   PIC Programming Course P 5
PIC16F84A instruction-set explained.
PIC Programming Course P 1
PIC16F84 Instruction-Set   PIC Programming Course P 6
PIC16F84 to PIC16F628     PIC Programming Course P 33
The Photo Transistor Basic Electronics Course P46
Programming PIC Chips   PIC Programming Course P 13 
Q

R
Reading a Graph  Basic Electronics Course P15
Resistor values made EASY -1%  Match the colors to get the value of resistance. (5 color-band type)
Resistor values made EASY 5%  Match the colors to get the value of resistance. (4 color-band type)
Resistor Colour Code Calculator   Basic Electronics Course P4 
Resistors in Parallel & Calculator  Basic Electronics Course P6
Resistors in Series & Calculator   Basic Electronics  Course P5
ROBOT BEACON  A rotating beacon project.
Robotics  A 12 page article on Robots of the BEAM type.

S
Schmitt Trigger    Basic Electronics Course P29
The Schmitt Gate    Basic Electronics Course P49
Signals Module
Soldering A comprehensive article covering techniques and equipment for soldering, desoldering, reflow and surface-mount.
Spot The Mistake An interesting article showing how to detect mistakes in circuit diagrams.
Three pages of circuits. P1  P2  P3
SQUARE WAVE OSCILLATOR  Outputs frequencies from 1Hz to 100kHz in six ranges.
Start here with '508A Articles, programmers, routines and notes to program the PIC12C508A chip
Super-Alpha Pair    Basic Electronics Course P44
Surface Mount   Basic Electronics Course P67
Surface Mount Transistors - markings
Surface Mount Diodes, Transistors, Zeners, LEDs and Resistors

T
Tic Tac Toe A project using bi-coloured LEDs and how to create a program using the PIC16F628.
The 3 Transistor Stages   Basic Electronics Course P21
Transistor Schmitt Trigger    Basic Electronics Course P32
Testing Transistors   Basic Electronics Course P66
The Touch Switch    Basic Electronics Course P43
2 Amp Power Supply
Throttle
25mA - The output current of each drive-line of a PIC micro
10 Tricks for the '508A   PIC Programming Course P 12
Tricks with the Input    PIC Programming Course P 21
Tricks with the Output   PIC Programming Course P 22

U
The UJT    Basic Electronics Course P56
V
Voltages on a transistor stage    Basic Electronics Course P34
Voltage Regulator   Basic Electronics Course P57
VOYAGER MkII - 800 yard transmitter that fits on top of a 9v battery.
W
WASP - 200 yard transmitter that fits in a Tic Tac box.
X
XENON-9 250-amp Speed controller for Remote Control (RC) cars.
Y

Z - zips
Download PIC12F675Datasheet.zip
Download PIC16F628.zip
Download PIC16F84A.zip
Download ChipDataEbook-1d.zip
Download IC Prog 105c-a   Latest version with PIC16F628A
Testing Zeners Basic electronics course P65