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Practical Electronics PCB SERVICE PROJECT JANUARY 2025 CODE USB to PS/2 Converter for VGA PicoMite.............................. 07111231 ps2x2pico USB to PS/2 Converter.......................................... 07111232 Compact Microphone Preamplifier (case version).................. 01110231 Compact Microphone Preamplifier (integrated version)......... 01110232 PRICE £3.99 £3.99 £5.99 £5.99 DECEMBER 2024 Raspberry Pi Clock Radio PCB pair........................................ 19101241/2 £12.99 VGA PicoMite (blue)................................................................. 07107221 £5.99 Secure Remote Switch receiver.............................................. 10109231 £4.99 Secure Remote Switch transmitter (module version)............. 10109232 £2.99 Secure Remote Switch transmitter (discrete version)............. 10109233 £2.99 NOVEMBER 2024 Ideal Diode Bridge Rectifiers (28mm square).......................... 18101241 Ideal Diode Bridge Rectifiers (22mm square).......................... 18101242 Ideal Diode Bridge Rectifiers (4-pin SIL)................................. 18101243 Ideal Diode Bridge Rectifiers (tiny SOT-23)............................. 18101244 Ideal Diode Bridge Rectifiers (standalone SMD)..................... 18101245 Ideal Diode Bridge Rectifiers (standalone TH; 2oz copper)... 18101246 Multi-channel Volume Control (volume PCB).......................... 01111221 Multi-channel Volume Control (control PCB).......................... 01111222 Multi-channel Volume Control (OLED PCB, black)................. 01111223 OCTOBER 2024 TQFP-32 Programming Adaptor............................................. 24108231 TQFP-44 Programming Adaptor............................................. 24108232 TQFP-48 Programming Adaptor............................................. 24108233 TQFP-64 Programming Adaptor............................................. 24108234 2m VHF FM Test Signal Generator.......................................... 06107231 SEPTEMBER 2024 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 Active Mains Soft Starter......................................................... 10110221 JANUARY 2024 Q Meter ................................................................................... CSE220701 Q Meter front panel (black solder mask)................................. CSE220704 Raspberry Pi Pico W BackPack.............................................. 07101221 £4.99 £4.99 £4.99 £4.99 £4.99 OCTOBER 2023 £9.99 £7.99 £11.99 Dynamic NFC Tag (22 × 31mm)............................................... 06101231 £5.95 Dynamic NFC Tag (86 × 54mm)............................................... 06101232 £7.95 Reciprocal Frequency Counter................................................ CSE230101C £8.95 Reciprocal Frequency Counter front panel (black mask)....... CSE230102 £7.95 Pi Pico-based Thermal Camera............................................... 04105231 £6.95 Loudspeaker Test Jig............................................................... 04106231 FEBRUARY 2024 DECEMBER 2023 £3.99 £3.99 £4.99 £7.99 £12.95 CODE 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 £3.99 £3.99 £3.99 £3.99 £4.99 £6.99 £4.99 £4.99 £4.99 JULY 2024 JUNE 2024 PROJECT MARCH 2024 Digital Boost Regulator............................................................ 24110224 Dual-Channel Power Supply for Breadboards........................ 04112221 Display Adaptor for the Breadboard PSU............................... 04112222 PRICE £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 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 SEPTEMBER 2023 Mini LED Driver......................................................................... 16106221 New GPS-Synchronised Clock............................................... 19109221 £9.95 £5.95 £5.95 £5.95 £6.95 £6.95 £7.95 £9.95 AUGUST 2023 110dB RF Attenuator............................................................... CSE211003 £9.95 Universal Battery Charge Controller (2023 update)................ 14107192 £9.95 Wide-Range OhmMeter........................................................... 04109221 £12.95 JULY 2023 Multimeter Checker/Calibrator................................................ 04107221 JUNE 2023 Arduino Programmable Load................................................... 04105221 Buck-Boost LED Driver............................................................ 16103221 £10.95 £8.95 £8.95 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 £14.95 Improved SMD Test Tweezers programmed PIC.................... 0410621PIC £12.95 AO 2x-dual-to-quad through-hole (pack of five)..................... AO1-MAY23 £6.95 AO 2x-dual-to-quad SMD (pack of five).................................. AO2-MAY23 £6.95 AO 2x-single-to-dual through-hole (pack of five).................... AO3-MAY23 £6.95 AO 2x-single-to-dual SMD (pack of five)................................ AO4-MAY23 £6.95 APRIL 2024 APRIL 2023 MAY 2024 Basic RF Signal Generator....................................................... CSE221001 £8.99 Basic RF Signal Generator front panel (black solder mask)... CSE220902B £9.99 Silicon Chirp Cricket................................................................. 08101231 £7.99 Test Bench ‘Swiss Army Knife’................................................ 04110221 £9.99 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 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 | January | 2025 Double-sided | plated-through holes | solder mask PROJECT MARCH 2023 CODE 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 Classic LED Metronome – 10-LED Multi-Channel Speaker Protector – 6 channel Multi-Channel Speaker Protector – 4 channel Remote Control Range Extender – IR-to-UHF Remote Control Range Extender – UHF-to-IR AO Universal Single Op Amp Board DECEMBER 2022 Hummingbird Amplifier SMD Trainer PCB SMD Trainer PCB + parts PRICE £9.95 £7.95 £5.95 £9.95 £5.95 £8.95 £12.95 23111211 23111212 01101221 01101222 15109212 15109211 AO1-JAN23 £7.95 £8.95 £9.95 £7.95 £5.95 £7.95 £7.95 01111211 29106211A 29106211B £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 trnsfmr PCB – standard VTX-A range VTX-101-007 £6.95 AO trnsfmr PCB – dual-outline VTX102-3001/101-3002 VTX-Dual £6.95 OCTOBER 2022 SMD Test Tweezers – PCB and pair of tweezer arms SMD Test Tweezers – programmed PIC12F1572-I/SN Tele-com SEPTEMBER 2022 Touchscreen Digital Preamp – main board Touchscreen Digital Preamp – adaptor board pair 20A DC Motor Speed Controller AUGUST 2022 Multi-purpose Battery Manager – I/O Expander Multi-purpose Battery Manager – Switch Module Simple MIDI Music Keyboard (for 8 switches) Nano Pong JULY 2022 Silicon Labs AM/FM/SW Radio Level Crossing Controller JUNE 2022 Full-wave Motor Speed Controller PIC Programming Helper for 8-pin PICs only PIC Programming Helper for 8, 14 or 20-pin PICs Advanced GPS Computer MAY 2022 Bus board PCB for Analogue Vocoder Complete set of 14 PCBs for Analogue Vocoder Programmed EEPROM for Digital FX Unit Programmed PIC for Digital FX Unit w/ potentiometer 04106211-2 0410621A 12110211 £11.95 £7.95 £12.95 PROJECT APRIL 2022 64-key MIDI Matrix shield 64-key MIDI Matrix switch board High-current Battery Balancer Digital FX Unit – using potentiometer Digital FX Unit – using BCD switch Universal Audio PSU MARCH 2022 Mini Isolated Serial Link Busy Loo Indicator Analogue Vocoder – Band-pass filter board Analogue Vocoder – HP/LP filter board FEBRUARY 2022 Arduino-based Power Supply Battery Monitor Logger 11106201 Electronic Wind Chimes 23011201 Analogue Vocoder – Driver Amplifier JANUARY 2022 Vintage battery Radio Li-ion Power Supply MiniHeart: A Miniature Heartbeat Simulator CODE PRICE 23101211 23101212 14102211 01102211 01102212 AO1-APR22 £8.95 £11.95 £10.95 £9.95 £9.95 £11.95 24102211 16112201 AO1-MAR22 AO2-MAR22 £5.95 £5.95 £9.95 £9.95 18106201 £10.95 £10.95 AO-FEB22 £9.95 11111201 01109201 £9.95 £8.95 £8.95 For the many earlier PCBs that we stock please see the PE website: www.electronpublishing.com PE/EPE PCB SERVICE Order Code Project Quantity Price ......................................................... ......................................................... ......................................................... 01103191 01103192 11006211 £12.95 £5.95 £9.95 11104212 11104211 23101213 08105212 £5.95 £8.95 £6.95 £7.95 ......................................................... ......................................................... ......................................................... CSE210301C £10.95 09108211 £6.95 1010221 24106211 24106212 05102211 £8.95 £7.95 £10.95 £9.95 AO1-MAY22 AO2-MAY22 FX1-MAY22 FX2-MAY22 £10.95 £97.95 £10.95 £8.95 ......................................................... Name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......................................................... Tel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Email . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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: pe<at>pemag.au On-line Shop: www.electronpublishing.com Sorry, cheques cannot be accepted as we are based in Australia and our UK bank account does not allow cheque deposits. NOTE: Most boards are in stock and sent within seven days of order receipt. Please allow up to 28 days delivery if we need to restock. Practical Electronics | January | 2025 77 Practical Electronics PCB SERVICE PROJECT DECEMBER 2021 AM/FM/SW Digital Receiver Balanced Input and Attenuator for USB CODEC NOVEMBER 2021 Dual Battery Lifesaver OCTOBER 2021 Mini Wi-Fi LCD BackPack SEPTEMBER 2021 USB SuperCodec PCB Audio DDS Oscillator PCB Audio DDS Oscillator rotary encoder Programming Adaptor Board for Audio DDS Oscillator High-power Ultrasonic Cleaner main PCB High-power Ultrasonic Cleaner front-panel PCB Night Keeper Lighthouse PCB AUGUST 2021 Ol’ Timer PCB Ol’ Timer 8x8 RGB LED module using WS2812B Ol’ Timer set of acrylic case pieces and spacer Ol’ Timer DS3231 RTC IC wide SOIC-16 Wideband Digital RF Power Meter Switchmode 78xx regulators (PACK of 5!) Cool Beans SMAD display JULY 2021 ATtiny816 Breakout / Dev Board w/ Capacitive Touch IR Remote Control Assistant (Jaycar version) IR Remote Control Assistant (Altronics version) PIC18F Development Board Microphone Preamplifier JUNE 2021 Roadies’ Test Signal Generator (surface-mount ver.) Roadies’ Test Signal Generator (through-hole version) Touchscreen Wide-range RCL Box (Resistor module) Touchscreen Wide-range RCL Box (Ind/Cap module) KickStart Part 3 – Gyrator-based Audio Filter MAY 2021 7-Band Equaliser (Mono) 7-Band Equaliser (Stereo) Car Altimeter APRIL 2021 Reflow Oven – DSP Active Crossover (CPU) Reflow Oven – DSP Active Crossover (Front panel) Reflow Oven – DSP Active Crossover (LCD) Frequency Reference Signal Distributor MARCH 2021 Nutube Guitar Effects Pedal Programmable Thermal Regulator (Peltier Interface) Programmable Thermal Regulator (Peltier Driver) Tunable HF Preamp FEBRUARY 2021 4G Remote Monitoring JANUARY 2021 Nutube Valve Preamplifier Arduino DCC Controller CODE PRICE CSE200902A 01106202 £13.95 £11.95 11111202 £6.95 24106201 PROJECT DECEMBER 2020 Pseudo-Random Sequence Generator Clever Charger PE Theremin Amplifier NOVEMBER 2020 LED Christmas Tree (1 off) LED Christmas Tree (4 off) LED Christmas Tree (12 off) LED Christmas Tree (20 off) USB/SPI Interface Board 45V/8A Power Supply PCB plus acrylic spacer 45V/8A Power Supply five-way display bezel Five-way LCD Panel Meter/Display £8.95 01106201 £14.95 01110201 £5.95 01110201-ENC 6.95 01110202 £5.95 04105201 £14.95 04105202 08110201 £5.95 OCTOBER 2020 Digital Audio Millivoltmeter Precision Signal Amplifier SEPTEMBER 2020 PE Theremin PSU PE Theremin PSU transformer Micromite Explore-28 Ultrabrite LED Driver 19104201 £11.95 19104201-88 £8.95 19104201-ACR £8.75 19104201-RTC £5.95 04106201 £9.75 18105201 £7.95 CB-AUG21 £11.95 AUGUST 2020 Micromite LCD BackPack V3 Steering Wheel Audio Button to Infrared Adaptor JULY 2020 24110181 £9.75 15005201 £8.95 15005202 £8.95 PNM-JUL21 £12.95 AO-JUL21 £11.95 01005201 01005202 04104201 04104202 KS3-2021 01104201 01104202 05105201 01106193 01106195 01106196 CSE200103 AM/FM/CW Scanning HF/VHF RF Signal Generator Speech Synthesiser with the Raspberry Pi Zero PE Mini-organ PCB PE Mini-organ selected parts High-current 12V Battery Isolator – control High-current 12V Battery Isolator FET (2oz) £8.95 £9.95 JUNE 2020 Arduino breakout board – 3.5-inch LCD Display Six-input Audio Selector main board Six-input Audio Selector switch panel board £18.95 £7.95 MAY 2020 £8.95 £10.95 £7.95 Ultra-low-distortion Preamplifier Input Selector Ultra-low-distortion Preamplifier pushbutton board Universal Regulator 433MHz Wireless Data Repeater Bridge-mode Adaptor for Amplifier iCEstick VGA Terminal Analogue noise with tilt control Audio Spectrum Analyser £19.95 £8.95 01102201 21109181 21109182 CSE190502 £12.95 27111191 £9.95 01112191 09207181 £12.95 £10.95 CODE APRIL 2020 Flip-dot Display black coil board Flip-dot Display black pixels Flip-dot Display black frame Flip-dot Display green driver board £18.95 £8.95 MARCH 2020 Diode Curve Plotter Steam Train Whistle / Diesel Horn Sound Generator Universal Passive Crossover (one off) PRICE 16106191 £7.95 14107191 £11.95 AO-1220-01 £8.95 16107181-1 16107181-2 16107181-3 16107181-4 16107182 18111181 18111181-BZ 18111182 £6.95 £14.95 £24.95 £34.95 £5.95 £14.95 £3.95 £7.95 04108191 04107191 £9.95 £7.95 AO-0920-01 AO-0920-02 07108191 16109191 £5.95 £7.95 £6.95 £6.95 07106191 05105191 £9.95 £7.95 04106191 01106191 AO-0720-01 AO-0720-02 05106191 05106192 £13.95 £5.95 £14.95 £8.95 £6.95 £9.95 24111181 01110191 01110192 01111112 01111113 18103111 15004191 01105191 02103191 AO-0520-01 PM-0520-01 £6.95 £10.95 £11.25 £7.95 £8.50 £7.95 £5.95 £7.95 £8.95 19111181 19111182 19111183 19111184 £14.95 04112181 09106181 UPC0320 £10.95 £8.50 £12.50 Silicon Chip kits & parts for projects in this issue (posted from Australia): Microphone Preamplifier short-form kit (SC6784) USB Keyboard Adaptor for VGA PicoMite short-form kit (SC6861) ps2x2pico PS/2 Adaptor kit (SC6864) 1.5m-long 6-pin mini-DIN to mini-DIN cable https://siliconchip.au/Shop/20/6784 https://siliconchip.au/Shop/20/6861 https://siliconchip.au/Shop/20/6864 https://siliconchip.au/Shop/7/6869 AUD $84.00 (about £43) + P&P AUD $36.00 (about £18) + P&P AUD $39.00 (about £20) + P&P AUD $12.00 (about £6) + P&P 20% VAT is included in the above prices for customers in the UK. Postage & packing cost is typically around £12-15. Please allow 1-2 weeks for delivery (longer in some cases). 78 Practical Electronics | January | 2025