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Practical Electronics PCB SERVICE PROJECT JANUARY 2023 CODE Classic LED Metronome – 8-LED.............................................23111211 Classic LED Metronome – 10-LED...........................................23111212 Multi-Channel Speaker Protector – 6 channel.........................01101221 Multi-Channel Speaker Protector – 4 channel.........................01101222 Remote Control Range Extender – IR-to-UHF........................15109212 Remote Control Range Extender – UHF-to-IR........................15109211 AO Universal Single Op Amp Board......................................AO1-JAN23 DECEMBER 2022 Hummingbird Amplifier..............................................................01111211 SMD Trainer PCB......................................................................29106211 SMD Trainer PCB + parts.........................................................29106211 PRICE 7.95 8.95 9.95 7.95 5.95 7.95 7.95 9.95 8.95 13.95 NOVEMBER 2022 USB Cable tester – main PCB..................................................04108211 12.95 USB Cable tester – front panel.................................................04108212 5.95 USB Cable tester – optional panel............................................SC5970 5.95 Model Railway Carriage Lights – PCB.....................................09109211 6.95 AO transfmr PCB – standard VTX-A range........................ VTX-101-007 6.95 AO transfmr PCB – dual-outline VTX102-3001/101-3002....VTX-Dual 6.95 OCTOBER 2022 SMD Test Tweezers – PCB and pair of tweezer arms.............04106211-2 SMD Test Tweezers – programmed PIC12F1572-I/SN...........0410621A Tele-com............................................................................. 12110211 SEPTEMBER 2022 Touchscreen Digital Preamp – main board........................ 01103191 Touchscreen Digital Preamp – adaptor board pair............. 01103192 20A DC Motor Speed Controller......................................... 11006211 AUGUST 2022 Multi-purpose Battery Manager – I/O Expander module.... 11104212 Multi-purpose Battery Manager – Switch Module............... 11104211 Simple MIDI Music Keyboard (for 8 switches).................... 23101213 Nano Pong......................................................................... 08105212 11.95 7.95 12.95 12.95 5.95 9.95 5.95 8.95 6.95 7.95 JULY 2022 Silicon Labs AM/FM/SW Radio.......................................... CSE210301C 10.95 Level Crossing Controller................................................... 09108211 6.95 JUNE 2022 Full-wave Motor Speed Controller...................................... 1010221 PIC Programming Helper for 8-pin PICs only..................... 24106211 PIC Programming Helper for 8, 14 or 20-pin PICs ............ 24106212 Advanced GPS Computer.................................................. 05102211 8.95 7.95 10.95 9.95 MAY 2022 Bus board PCB for Analogue Vocoder............................... AO1-MAY22 10.95 Complete set of 14 PCBs for Analogue Vocoder................ AO2-MAY22 97.95 Programmed EEPROM for Digital FX Unit......................... FX1-MAY22 10.95 Programmed PIC for Digital FX Unit using potentiometer.....FX2-MAY22 8.95 APRIL 2022 64-key MIDI Matrix shield................................................... 23101211 8.95 64-key MIDI Matrix switch board........................................ 23101212 11.95 High-current Battery Balancer ........................................... 14102211 10.95 Digital FX Unit – using potentiometer................................. 01102211 9.95 Digital FX Unit – using BCD switch.................................... 01102212 9.95 Universal Audio PSU.......................................................... AO1-APR22 11.95 MARCH 2022 Mini Isolated Serial Link..................................................... 24102211 £5.95 Busy Loo Indicator.............................................................. 16112201 £5.95 Analogue Vocoder – Band-pass filter board....................... AO1-MAR22 9.95 Analogue Vocoder – HP/LP filter board.............................. AO2-MAR22 9.95 PROJECT FEBRUARY 2022 CODE Arduino-based Power Supply............................................. 18106201 Battery Monitor Logger....................................................... 11106201 Electronic Wind Chimes..................................................... 23011201 Analogue Vocoder – Driver Amplifier.................................. AO-FEB22 JANUARY 2022 Vintage battery Radio Li-ion Power Supply........................ 11111201 MiniHeart: A Miniature Heartbeat Simulator....................... 01109201 PRICE 9.95 10.95 10.95 8.95 9.95 8.95 DECEMBER 2021 AM/FM/SW Digital Receiver............................................... CSE200902A 13.95 Balanced Input and Attenuator for USB CODEC............... 01106202 11.95 NOVEMBER 2021 Dual Battery Lifesaver........................................................ 11111202 OCTOBER 2021 Mini Wi-Fi LCD BackPack.................................................. 24106201 £6.95 £8.95 SEPTEMBER 2021 USB SuperCodec PCB....................................................... 01106201 £14.95 Audio DDS Oscillator PCB................................................. 01110201 £5.95 Audio DDS Oscillator rotary encoder................................. 01110201-ENC 6.95 Programming Adaptor Board for Audio DDS Oscillator...... 01110202 £5.95 High-power Ultrasonic Cleaner main PCB......................... 04105201 £14.95 High-power Ultrasonic Cleaner front-panel PCB................ 04105202 Night Keeper Lighthouse PCB........................................... 08110201 £5.95 AUGUST 2021 Ol’ Timer PCB..................................................................... 19104201 £11.95 Ol’ Timer 8x8 RGB LED module using WS2812B.............. 19104201-88 £8.95 Ol’ Timer set of acrylic case pieces and spacer................. 19104201-ACR £8.75 Ol’ Timer DS3231 RTC IC wide SOIC-16.................................19104201-RTC £5.95 Wideband Digital RF Power Meter..................................... 04106201 £9.75 Switchmode 78xx regulators (PACK of 5!)........................ 18105201 £7.95 Cool Beans SMAD display................................................. CB-AUG21 £11.95 JULY 2021 ATtiny816 Breakout / Dev Board with Capacitive Touch.... 24110181 £9.75 IR Remote Control Assistant (Jaycar version).................... 15005201 £8.95 IR Remote Control Assistant (Altronics version)................ 15005202 £8.95 PIC18F Development Board.............................................. PNM-JUL21 £12.95 Microphone Preamplifier.................................................... AO-JUL21 £11.95 JUNE 2021 Roadies’ Test Signal Generator (surface-mount version)... 01005201 Roadies’ Test Signal Generator (through-hole version)...... 01005202 Touchscreen Wide-range RCL Box (Resistor module)....... 04104201 Touchscreen Wide-range RCL Box (Ind/Cap module)....... 04104202 KickStart Part 3 – Gyrator-based Audio Filter.................... KS3-2021 MAY 2021 7-Band Equaliser (Mono)................................................... 01104201 7-Band Equaliser (Stereo).................................................. 01104202 Car Altimeter....................................................................... 05105201 £8.95 £9.95 £18.95 £7.95 £8.95 £10.95 £7.95 APRIL 2021 Reflow Oven – DSP Active Crossover (CPU)..................... 01106193 Reflow Oven – DSP Active Crossover (Front panel).......... 01106195 £19.95 Reflow Oven – DSP Active Crossover (LCD)..................... 01106196 Frequency Reference Signal Distributor.................................... CSE200103 £8.95 PCBs for most recent PE/EPE constructional projects are available. From the July 2013 issue onwards, PCBs with eight-digit codes have silk screen overlays and, where applicable, are double-sided, have plated-through holes, and solder mask. They are similar to photos in the project articles. Earlier PCBs are likely to be more basic and may not include silk screen overlay, be single-sided, lack plated-through holes and solder mask. Always check price and availability in the latest issue or online. A large number of older boards are listed for ordering on our website. In most cases we do not supply kits or components for our projects. For older projects it is important to check the availability of all components before purchasing PCBs. Back issues of articles are available – see Back Issues page for details. 68 Practical Electronics | January | 2023 Double-sided | plated-through holes | solder mask PROJECT MARCH 2021 CODE PRICE Nutube Guitar Effects Pedal............................................... 01102201 £12.95 Programmable Thermal Regulator (Peltier Interface)......... 21109181 £18.95 Programmable Thermal Regulator (Peltier Driver)............. 21109182 Tunable HF Preamp........................................................... CSE190502 £8.95 FEBRUARY 2021 4G Remote Monitoring....................................................... 27111191 JANUARY 2021 Nutube Valve Preamplifier.................................................. 01112191 Arduino DCC Controller...................................................... 09207181 £9.95 £12.95 £10.95 DECEMBER 2020 Pseudo-Random Sequence Generator.............................. 16106191 £7.95 Clever Charger................................................................... 14107191 £11.95 PE Theremin Amplifier........................................................ AO-1220-01 £8.95 NOVEMBER 2020 LED Christmas Tree (1 off)................................................. 16107181-1 £6.95 LED Christmas Tree (4 off)................................................. 16107181-2 £14.95 LED Christmas Tree (12 off)............................................... 16107181-3 £24.95 LED Christmas Tree (20 off)............................................... 16107181-4 £34.95 USB/SPI Interface Board.................................................... 16107182 £5.95 45V/8A Power Supply PCB plus acrylic spacer.................. 18111181 £14.95 45V/8A Power Supply front panel five-way display bezel... 18111181-BZ £3.95 Five-way LCD Panel Meter/Display.................................... 18111182 £7.95 OCTOBER 2020 Digital Audio Millivoltmeter................................................. 04108191 Precision Signal Amplifier................................................... 04107191 SEPTEMBER 2020 PE Theremin PSU.............................................................. AO-0920-01 PE Theremin PSU transformer........................................... AO-0920-02 Micromite Explore-28......................................................... 07108191 Ultrabrite LED Driver.......................................................... 16109191 AUGUST 2020 Micromite LCD BackPack V3............................................. 07106191 Steering Wheel Audio Button to Infrared Adaptor............... 05105191 £9.95 £7.95 £5.95 £7.95 £6.95 £6.95 £9.95 £7.95 JULY 2020 AM/FM/CW Scanning HF/VHF RF Signal Generator......... 04106191 £13.95 Speech Synthesiser with the Raspberry Pi Zero................ 01106191 £5.95 PE Mini-organ PCB............................................................ AO-0720-01 £14.95 PE Mini-organ selected parts............................................. AO-0720-02 £8.95 High-current Solid-state 12V Battery Isolator – control...... 05106191 £6.95 High-current Solid-state 12V Battery Isolator FET (2oz).... 05106192 £9.95 JUNE 2020 Arduino breakout board – 3.5-inch LCD Display................ 24111181 Six-input Audio Selector main board.................................. 01110191 Six-input Audio Selector switch panel board...................... 01110192 MAY 2020 £6.95 £10.95 Ultra-low-distortion Preamplifier Input Selector.......................... 01111112 £11.25 Ultra-low-distortion Preamplifier pushbutton Input Selector...... 01111113 Universal Regulator..................................................................... 18103111 £7.95 433MHz Wireless Data Repeater............................................... 15004191 £8.50 Bridge-mode Adaptor for Amplifier.............................................. 01105191 £7.95 iCEstick VGA Terminal................................................................. 02103191 £5.95 Analogue noise with tilt control.................................................... AO-0520-01 £7.95 Audio Spectrum Analyser............................................................ PM-0520-01 £8.95 PROJECT APRIL 2020 CODE PRICE Flip-dot Display black coil board.................................................. 19111181 Flip-dot Display black pixels........................................................ 19111182 Flip-dot Display black frame........................................................ 19111183 Flip-dot Display green driver board............................................. 19111184 MARCH 2020 Diode Curve Plotter............................................................ 04112181 Steam Train Whistle / Diesel Horn Sound Generator................ 09106181 Universal Passive Crossover (one off)....................................... UPC0320 FEBRUARY 2020 Motion-Sensing 12V Power Switch.................................... 05102191 USB Keyboard / Mouse Adaptor........................................ 24311181 DSP Active Crossover (ADC)............................................. 01106191 DSP Active Crossover (DAC) ×2 ....................................... 01106192 DSP Active Crossover (CPU)............................................. 01106193 DSP Active Crossover (Power/routing)............................... 01106194 DSP Active Crossover (Front panel)................................... 01106195 DSP Active Crossover (LCD).............................................. 01106196 JANUARY 2020 Isolated Serial Link............................................................. 24107181 £14.95 £10.95 £8.50 £12.50 £5.95 £8.50 £29.95 £8.50 For the many pre-2016 PCBs that we stock please see the PE website: www.electronpublishing.com PE/EPE PCB SERVICE Order Code Project Quantity Price ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... Name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......................................................... Tel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Email . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I enclose payment of £ . . . . . . . . . . . . . . (cheque/PO in £ sterling only) payable to: Practical Electronics Card No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valid From . . . . . . . . . . . . . . . . . Expiry Date . . . . . . . . . . . . . . . Card Security No . . . . . . . . . . You can also order PCBs by phone, email or via the shop on our website: www.electronpublishing.com No need to cut your issue – a copy of this form is just as good! All prices include VAT and UK p&p. Add £4 per project for post to Europe; £5 per project outside Europe. Orders and payment should be sent to: Practical Electronics, Electron Publishing Ltd 113 Lynwood Drive, Merley, Wimborne, Dorset BH21 1UU Tel 01202 880299 Email: shop<at>electronpublishing.com On-line Shop: www.epemag.com Cheques should be made payable to ‘Practical Electronics’ (Payment in £ sterling only). NOTE: Most boards are in stock and sent within seven days of receipt of order, please allow up to 28 days delivery if we need to restock. Practical Electronics | January | 2023 69 Practical Electronics PCB SERVICE PROJECT CODE DECEMBER 2019 Extremely Sensitive Magnetometer.................................... 04101011 Four-channel High-current DC Fan and Pump Controller.... 05108181 Useless Box........................................................................ 08111181 NOVEMBER 2019 Tinnitus & Insomnia Killer (Jaycar case – see text)............ 01110181 Tinnitus & Insomnia Killer (Altronics case – see text)......... 01110182 PRICE £16.75 £8.75 £11.50 £9.95 £9.95 PROJECT CODE 18108173 18108174 JULY 2018 Touchscreen Appliance Energy Meter – Part 1.................. 04116061 Automotive Sensor Modifier ............................................... 05111161 JUNE 2018 High Performance 10-Octave Stereo Graphic Equaliser.... 01105171 MAY 2018 High Performance RF Prescaler........................................ 04112162 Micromite BackPack V2..................................................... 07104171 Microbridge......................................................................... 24104171 OCTOBER 2019 Programmable GPS-synced Frequency Reference........... 04107181 Digital Command Control Programmer for Decoders......... 09107181 Opto-isolated Mains Relay (main board)............................ 10107181 Opto-isolated Mains Relay (2 × terminal extension board)....10107182 £11.50 £9.95 £11.50 AUGUST 2019 APRIL 2018 Spring Reverberation Unit.................................................. 01104171 DDS Sig Gen Lid................................................................ Black DDS Sig Gen Lid................................................................ Blue DDS Sig Gen Lid................................................................ Clear Stationmaster Main Board.................................................. 09103171 + Controller Board ............................................... 09103172 SC200 Amplifier Module – Power Supply........................... 01109111 Full-wave 10A Universal Motor Speed Controller............... 10102181 Recurring Event Reminder................................................. 19107181 Temperature Switch Mk2.................................................... 05105181 GPS-Synchronised Analogue Clock Driver........................ 04202171 High-Power DC Motor Speed Controller – Part 2 + Control Board.................................................... 11112161 + Power Board..................................................... 11112162 JUNE 2019 Arduino-based LC Meter.................................................... 04106181 USB Flexitimer.................................................................... 19106181 MAY 2019 2× 12V Battery Balancer.................................................... 14106181 Deluxe Frequency Switch................................................... 05104181 USB Port Protector............................................................. 07105181 APRIL 2019 Heater Controller................................................................ 10104181 MARCH 2019 10-LED Bargraph Main Board............................................ 04101181 +Processing Board.............................................. 04101182 FEBRUARY 2019 1.5kW Induction Motor Speed Controller........................... 10105122 NOVEMBER 2018 £12.90 £8.00 £10.45 FEBRUARY 2018 £8.00 £10.45 JANUARY 2018 £5.95 £10.45 £5.95 DECEMBER 2017 £14.00 £11.25 £8.60 £24.95 High-Power DC Motor Speed Controller – Part 1............... 11112161 Build the SC200 Amplifier Module...................................... 01108161 Precision Voltage and Current Reference – Part 2............ 04110161 NOVEMBER 2017 50A Battery Charger Controller.......................................... 11111161 Micropower LED Flasher (45 × 47mm).......................... 16109161 (36 × 13mm).......................... 16109162 Phono Input Converter....................................................... 01111161 SEPTEMBER 2017 Compact 8-Digit Frequency Meter..................................... 04105161 AUGUST 2017 Micromite-Based Touch-screen Boat Computer GPS........ 07102122 Fridge/Freezer Alarm.......................................................... 03104161 £15.95 JULY 2017 6GHz+ Touchscreen Frequency Counter........................... 04110171 Two 230VAC MainsTimers................................................. 10108161 10108162 £12.95 JUNE 2017 3-Way Active Crossover..................................................... 01108171 Ultra-low-voltage Mini LED Flasher.................................... 16110161 £17.95 £5.95 Super-7 AM Radio Receiver ............................................... 06111171 OCTOBER 2018 SEPTEMBER 2018 AUGUST 2018 Universal Temperature Alarm............................................. 03105161 Power Supply For Battery-Operated Valve Radios............ 18108171 18108172 70 £11.95 £7.95 £24.95 £14.95 £12.95 £14.95 £10.45 £8.45 £5.95 £13.95 £5.95 £5.95 £5.95 MARCH 2018 Brainwave Monitor.............................................................. 25108181 £12.90 Super Digital Sound Effects Module................................... 01107181 £6.95 Watchdog Alarm................................................................. 03107181 £8.00 PE Theremin (three boards: pitch, volume, VCA).............. PETX0819 £19.50 PE Theremin component pack (see p.56, August 2019).... PETY0819 £15.00 JULY 2019 PRICE Micromite-Based Super Clock............................................ 07102122 Brownout Protector for Induction Motors............................ 10107161 Ultrasonic Garage Parking Assistant.................................. 07102122 Hotel Safe Alarm................................................................ 03106161 100dB Stereo LED Audio Level/VU Meter.......................... 01104161 MAY 2017 The Micromite LCD BackPack........................................... 07102122 Precision 230V/115V 50/60Hz Turntable Driver................. 04104161 APRIL 2017 Microwave Leakage Detector............................................. 04103161 £17.75 £16.45 £11.95 £11.95 £15.30 £15.30 £13.95 £14.95 £12.95 £7.95 £5.95 £7.9 £12.95 £10.45 £7.95 £10.45 £12.90 £10.45 £7.95 £17.75 £7.95 £13.95 £7.95 Practical Electronics | January | 2023