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Practical Electronics Practical Electronics Practical Electronics Practical Electronics Practical Electronics The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine Circuit Surgery Getting our DSP board’s ADC & DAC working together Audio Out Precision Electronics Minimising distortion in balanced input transformers Explore-40 MMBasic in a Pico form factor Choosing & using voltage references 8-Channel IR Remote Relay 01202 087631 Circuit Surgery Getting an FIR filter algorithm running on a microcontroller Audio Out A proper PCB for building the cascode audio amplifier Circuit Surgery Measuring frequency response with a PC sound card Audio Out Three FET-based Class-A Audio Buffer Module PCBs Precision Electronics Circuit Surgery Measuring frequency response with a PC sound card, part 2 The final instalment Custom Electric Guitar/ Bass Controls Discrete Ideal Bridge Rectifiers Techno Talk – finding chip data & pseudo intelligence Cool Beans – ultimate switch debouncing and RNG MIPI’s new I3C serial standard can replace both I2C & SPI www.electronpublishing.com <at>practicalelec PLUS! Aug 2025 £5.99 08 9 772632 573030 practicalelectronics 3D Printer Filament Dryer Putting it together Circuit Surgery Signal conditioning using op amps. Audio Out Teach-In 12 Finishing the ‘Transmanium’ germanium fuzz box. Part 2: introducing RF components & circuits ... including a modern ‘crystal’ radio set to build Techno Talk – the history of breadboarding Cool Beans – a crash course in digital logic and gates Dual Rail Supply Protector – a bipolar electronic fuse www.electronpublishing.com <at>practicalelec Sep 2025 £5.99 09 9 772632 573030 practicalelectronics Techno Talk – The history of recording technology Cool Beans – Measuring reaction times & using logic ICs Nikola Tesla – The inventions of the original ‘mad scientist’ www.electronpublishing.com 5MHz, 40A Current Probe Capacitor Discharger 3D Printer Filament Dryer PLUS! <at>practicalelec VariableSpeed Drive for Induction Motors Seaside Sound Simulator Automatic L/Q Meter PLUS! Audio Out An instrument fuzz box with germanium transistors Teach-In 12: a new series on radio technology! Compact Hi-Fi Headphone Amp FlexiDice Net Work Smart meters, new Chinese EVs & Temu Digital Capacitance Meter PLUS! Oct 2025 £5.99 10 9 772632 573030 practicalelectronics Techno Talk – AI and cameras helping blind people Cool Beans – connecting the console 7-segment displays Nikola Tesla – the conclusion to his life of inventions www.electronpublishing.com <at>practicalelec PLUS! Nov 2025 £5.99 11 9 772632 573030 practicalelectronics Techno Talk – Modern intertial navigation systems. Cool Beans – Tracking and displaying our game score. A Battery-Powered Locomotive for Model Railways www.electronpublishing.com <at>practicalelec Dec 2025 £5.99 12 9 772632 573030 practicalelectronics Take out a one-year subscription and save more than £10 over the year. Even better – save over £1 per issue if you subscribe for two years – a total saving of £26. 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We accept MasterCard or Visa. (For past issues see the Back Issues page.) SUBSCRIPTION ORDER FORM  6 Months:.UK £33.99, Europe £38.99 (Airmail), Rest of the World £46.99 (Airmail)  1 Year: UK £59.99, Europe £69.99 (Airmail), Rest of the World £84.99 (Airmail)  2 Years: UK £114.99, Europe £129.99 (Airmail), Rest of the World £164.99 (Airmail) To: Practical Electronics Subscriptions PO Box 6337 Bournemouth BH1 9EH United Kingdom Tel: 01202 087631 Email: pesubs<at>selectps.com I enclose payment of £ .............. (cheque/PO in £ sterling only) payable to Select Publisher Services Ltd  Please charge my Visa/Mastercard My card number is: ....................................................................... Please print clearly, and check that you have the number correct Card Security Code .................. Valid From Date........................ (The last 3 digits on or just under the signature strip) Card Ex. Date ...................................... 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