Projects and Circuits

 

Fingerprint access controller 12

by John Clarke

21st century keyless security with a fingerprint scanner and electric door strike

Cheap programmer for the pic32 microcontroller 24

by Robert Rozee

Super simple programmer to upload firmware into a PIC32

Compact hybrid switchmode 100w bench supply – part 3 28

by Nicholas Vinen

Final assembly and testing of our superb bench power supply

Ingenuity unlimited 56

High-side current transducer... Single frequency sinewave generator

Series and Features

Techno talk by Mark Nelson 11

When brilliant ideas miss the mark

Net work by Alan Winstanley 35

Pure madness... Built-in obsolescence... New email address

Teach-in 2016 – exploring the arduino 36

by Mike and Richard Tooley

Part 10: Ultrasonic proximity sensing

Interface by Robert Penfold 41

Pi millisecond and microsecond timing

Circuit surgery by Ian Bell 44

Op amp instability

PIC n’ MIX by Mike O’Keeffe 49

PICs and the PICkit 3: A beginner’s guide – Part 6

AUDIO OUT by Jake Rothman 54

Hobby Creek Hands product review

Max’s hot beans by Max The Magnificent 60

I’ve been Obducted and I love it!… Dipping one’s toes in the VR waters

Taking a deeper plunge

Electronic building blocks by Julian Edgar 68

Variable Frequency Module

Regulars and Services

SUBSCRIBE TO EPE and save money 4

Epe pcb & cd-rom sale! 5

Editorial 7

In memoriam, Jack (1878-2016)... Waving the flag for UK wall sockets!

News – Barry Fox highlights technology’s leading edge 8

Plus everyday news from the world of electronics

EPE back issues 22

Microchip reader offer 23

EPE Exclusive – Win a Microchip PIC32 Ethernet Starter Kit

EPE back issues CD-ROM 53

EPE teach-in 7 58

Direct book service 62

A wide range of technical books available by mail order, plus more CD-ROMs

EPE CD-ROMS for electronics 65

A wide range of technical books available by mail order, plus more CD-ROMs

EPE PCB service 70

PCBs for EPE projects

Advertisers index 71

Next month! – Highlights of next month’s EPE 72