Audio & Video

3 pin XLR wiring, Video formats, 21 pin SCART wiring, speaker impedance & SPL

Television

MATV explanation, TV channel frequency guide

100V Line Speaker Capacitors

Information relating to capacitor values in 100V line PA Speakers

Crossover

Series and parallel wiring, 100V wiring, 2 & 3 way wiring, custom construction data

Semi-Conductors

Semi conductor packages and pin outs, Links to manufacturer's websites

Voltage Regulators

Regulator circuit data, Pin outs, Specifications

Resistors

Colour code information, values, tolerances, wattage, Ohms Law, circuits

Capacitors

Parameters, Voltage, Tolerance, Markings, EIA Coding, circuits, Conversion table

Transformers

Transformer formulae, Power supply circuit data

Components

LED data, AC & DC Optocouplers, NE555 timer data, Seven segment display data

Components 2

LED data, AC & DC Optocouplers, NE555 timer data, Seven segment display data

LED Lighting Calulator

LED lighting calculator tool, simply select the type of lighting and the quantity required, press the button and read the savings.

LED Resistance Calculator

Simple quick and easy tool to calculate correct resistance selection within a given circuit.

Formulae

Power, AC Current, Reactance, RMS, SLA charging, Decibels (dB), plus more.

IP Ratings

IP enclosure rating data, Standards agencies worldwide list

Arduino A3 Data Poster

A huge A3 double sided poster in high resolution with detailed pinouts for UNO, Mega, Nano, Pro Mini, Yun, Lilypad and popular atmega chips.

Electronics A3 Data Poster

A huge A3 double sided poster for your electronics workbench. Featuring handy formulae, pinouts and circuit symbol information to make building your projects easy!