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Practical Electronics PCB SERVICE PROJECT SEPTEMBER 2024 CODE Calibrated Microphone (SMD version).................................... 01108231 Calibrated Microphone (TH version)........................................ 01108232 PIC Programming Adaptor...................................................... 24105231 Salad Bowl Speaker crossover................................................ 01109231 AUGUST 2024 Arduino ESR Meter combined L/C-ESR................................. 04106182 Arduino ESR Meter separate ESR........................................... 04106183 Watering System Controller..................................................... 15110231 JULY 2024 Dynamic NFC Tag (22 × 31mm)............................................... 06101231 Dynamic NFC Tag (86 × 54mm)............................................... 06101232 Reciprocal Frequency Counter................................................ CSE230101C Reciprocal Frequency Counter front panel (black mask)....... CSE230102 Pi Pico-based Thermal Camera............................................... 04105231 JUNE 2024 Loudspeaker Test Jig............................................................... 04106231 PRICE 3.99 3.99 4.99 7.99 9.99 7.99 11.99 5.95 7.95 8.95 7.95 6.95 12.95 PROJECT SEPTEMBER 2023 CODE Mini LED Driver......................................................................... 16106221 New GPS-Synchronised Clock............................................... 19109221 Wide-Range Ohmmeter........................................................... 04109221 AUGUST 2023 110dB RF Attenuator............................................................... CSE211003 Universal Battery Charge Controller (2023 update)................ 14107192 Wide-Range OhmMeter........................................................... 04109221 JULY 2023 Multimeter Checker/Calibrator................................................ 04107221 MIDI Spectral Sound Synthesiser (full kit – see p.25)............. N/A JUNE 2023 Arduino Programmable Load................................................... 04105221 Buck-Boost LED Driver............................................................ 16103221 MAY 2023 GPS-Disciplined Oscillator....................................................... 04103231 12.95 Dual RF Amplifier...................................................................... CSE220602A 5.95 Songbird ................................................................................... 08103231 7.95 Precision AM-FM DDS Signal Generator................................ CSE211002 Improved SMD Test Tweezers programmed PIC.................... 0410621PIC AO 2x-dual-to-quad through-hole (pack of five)..................... AO1-MAY23 AO 2x-dual-to-quad SMD (pack of five).................................. AO2-MAY23 AO 2x-single-to-dual through-hole (pack of five).................... AO3-MAY23 AO 2x-single-to-dual SMD (pack of five)................................ AO4-MAY23 APRIL 2024 APRIL 2023 MAY 2024 Basic RF Signal Generator....................................................... CSE221001 Basic RF Signal Generator front panel (black solder mask)... CSE220902B Silicon Chirp Cricket................................................................. 08101231 Test Bench ‘Swiss Army Knife’................................................ 04110221 MARCH 2024 Digital Volume Control Potentiometer SMD version............... 01101231 Digital Volume Control Potentiometer through-hole version.. 01101232 Advanced SMD Test Tweezers body....................................... 04106221 Advanced SMD Test Tweezers legs (pair)............................... 04106212 FEBRUARY 2024 Active Mains Soft Starter......................................................... 10110221 JANUARY 2024 Q Meter ................................................................................... CSE220701 Q Meter front panel (black solder mask)................................. CSE220704 Raspberry Pi Pico W BackPack.............................................. 07101221 DECEMBER 2023 Digital Boost Regulator............................................................ 24110224 Dual-Channel Power Supply for Breadboards........................ 04112221 Display Adaptor for the Breadboard PSU............................... 04112222 8.99 9.99 7.99 9.99 8.95 9.95 6.95 7.95 10.95 8.95 7.95 8.95 8.95 11.95 9.95 NOVEMBER 2023 LC Meter Mk3........................................................................... CSE220503C 9.95 DC Supply Filter for vehicles.................................................... 08108221 8.95 Discrete Audio Op Amp PCB................................................... AO1-JUL23 9.95 Discrete Audio Op Amp PCB + essential components.......... AO2-JUL23 17.95 OCTOBER 2023 Buck/Boost Charger Adaptor.................................................. 14108221 PIC Breakout Board for SOIC parts........................................ 24110225 PIC Breakout Board for DIP parts........................................... 24110222 AVR64DD32 Breakout board................................................... 24110223 Automatic Train Controller........................................................ 09109221 Chuff Sound module................................................................ 09109222 9.95 5.95 5.95 5.95 6.95 6.95 PRICE 7.95 9.95 14.95 9.95 9.95 12.95 10.95 N/A 8.95 8.95 14.95 12.95 6.95 6.95 6.95 6.95 500W Amplifier Module............................................................ see p.22, April 2023 Clipping Indicator (per channel)............................................... 01112211 7.95 CD Welder Power Supply (one needed).................................. 29103221 9.95 CD Welder Controller (one needed)......................................... 29103222 9.95 CD Welder Energy Storage module (several needed)............ 29103223 7.95 AO Universal Dual Op Amp Board........................................AO1-APR23 9.95 AO Stereo RIAA precision passives kit for dual op amp.......AO2-APR23 8.95 MARCH 2023 Pico BackPack......................................................................... 07101221 Semaphore Signal (controller).................................................. 09103221 Semaphore Signal (blade)........................................................ 09103222 FEBRUARY 2023 Tesla Coil driver board.............................................................. 26102221 Tesla Coil potentiometer board................................................ 26102222 Cooling Fan Controller & Loudspeaker Protector................... 01102221 Remote Gate Controller........................................................... 11009121 JANUARY 2023 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..................................................................... 29106211A SMD Trainer PCB + parts......................................................... 29106211B 9.95 7.95 5.95 9.95 5.95 8.95 12.95 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 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. 76 Practical Electronics | September | 2024 Double-sided | plated-through holes | solder mask PROJECT OCTOBER 2022 CODE 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 PRICE 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 FEBRUARY 2022 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 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 PROJECT SEPTEMBER 2021 CODE PRICE 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 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 | September | 2024 77 Practical Electronics PCB SERVICE PROJECT JUNE 2021 CODE 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 PRICE £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 MARCH 2021 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 £9.95 PROJECT JUNE 2020 CODE Arduino breakout board – 3.5-inch LCD Display................ 24111181 Six-input Audio Selector main board................................. 01110191 Six-input Audio Selector switch panel board..................... 01110192 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 APRIL 2020 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 DECEMBER 2020 Pseudo-Random Sequence Generator.............................. 16106191 £7.95 Clever Charger................................................................... 14107191 £11.95 PE Theremin Amplifier........................................................ AO-1220-01 £8.95 NOVEMBER 2020 JANUARY 2020 £12.95 £10.95 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 JULY 2020 £5.95 £7.95 £6.95 £6.95 £9.95 £7.95 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 78 Isolated Serial Link............................................................. 24107181 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 £9.95 £7.95 £6.95 £10.95 MAY 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 Nutube Valve Preamplifier.................................................. 01112191 Arduino DCC Controller...................................................... 09207181 PRICE 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 AUGUST 2019 Brainwave Monitor............................................................. 25108181 Super Digital Sound Effects Module.................................. 01107181 Watchdog Alarm................................................................. 03107181 PE Theremin (three boards: pitch, volume, VCA)............... PETX0819 PE Theremin component pack (see p.56, August 2019).... PETY0819 JULY 2019 Full-wave 10A Universal Motor Speed Controller.............. 10102181 Recurring Event Reminder................................................. 19107181 Temperature Switch Mk2.................................................... 05105181 £14.95 £10.95 £8.50 £12.50 £5.95 £8.50 £29.95 £8.50 £16.75 £8.75 £11.50 £9.95 £9.95 £11.50 £9.95 £11.50 £12.90 £6.95 £8.00 £19.50 £15.00 £12.90 £8.00 £10.45 Practical Electronics | September | 2024