This is only a preview of the June 2025 issue of Practical Electronics. You can view 0 of the 80 pages in the full issue. Articles in this series:
Items relevant to "Intelligent Dual Hybrid Power Supply, part one":
Articles in this series:
Articles in this series:
Articles in this series:
Articles in this series:
Items relevant to "Skill Tester 9000, Part 2":
Articles in this series:
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Double-sided | plated-through holes | solder mask
PROJECT
JUNE 2025
CODE
Styloclone (case version)......................................................... 23106241
Styloclone (standalone version)............................................... 23106242
Dual Mini LED Dice (TH LEDs, white solder mask)................. 08103241W
Dual Mini LED Dice (TH LEDs, black solder mask)................. 08103241B
Dual Mini LED Dice (SMD LEDs, white solder mask)............. 08103242W
Dual Mini LED Dice (SMD LEDs, black solder mask)............. 08103242B
Dual Hybrid Supply regulator board........................................ 18107211
Dual Hybrid Supply front panel control board......................... 18107212
Dual Hybrid Supply CPU board............................................... 01106193
Dual Hybrid Supply LCD adaptor............................................ 01106196
MAY 2025
Skill Tester 9000........................................................................ 08101241
USB-C Serial Adaptor (black solder mask)............................. 24106241
DC Supply Protector (SMD adjustable version)...................... 08106241
DC Supply Protector (TH adjustable version)......................... 08106242
DC Supply Protector (TH fixed version).................................. 08106243
APRIL 2025
ESR Test Tweezers PCB set.................................................... 04105241+
Fan Speed Controller Mk2....................................................... 10104241
Calibrated Microphone (SMD version).................................... 01108231
Calibrated Microphone (TH version)........................................ 01108232
MARCH 2025
Pico Gamer............................................................................... 08104241
Compact Frequency Divider.................................................... 04112231
FEBRUARY 2025
Laser Communicator transmitter............................................. 16102241
Laser Communicator receiver.................................................. 16102242
Model Railway Points Controller transmitter........................... 09101241
Model Railway Points Controller receiver................................ 09101242
Mains Power-Up Sequencer.................................................... 10108231
JANUARY 2025
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
£6.99
£7.99
£2.99
£2.99
£2.99
£2.99
£5.99
£2.99
£3.99
£2.99
£9.99
£2.99
£3.99
£3.99
£3.99
PROJECT
SEPTEMBER 2024
CODE
PRICE
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
£4.99
£7.99
£9.99
£7.99
£11.99
JULY 2024
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
JUNE 2024
Loudspeaker Test Jig............................................................... 04106231
£12.95
MAY 2024
£5.99
£4.99
£3.99
£3.99
£9.99
£4.99
£3.99
£3.99
£3.99
£2.99
£11.99
GPS-Disciplined Oscillator....................................................... 04103231
£12.95
Dual RF Amplifier...................................................................... CSE220602A £5.95
Songbird ................................................................................... 08103231
£7.95
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
.........................................................
.........................................................
£3.99
£3.99
£5.99
£5.99
.........................................................
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
.........................................................
DECEMBER 2024
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
£3.99
£3.99
£3.99
£3.99
£4.99
£6.99
£4.99
£4.99
£4.99
£4.99
£4.99
£4.99
£4.99
£4.99
.........................................................
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.........................................................
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!
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.
Magazine back issues are available – see https://www.electronpublishing.com/product-category/pe-back-issues-print-and-digital/
All prices include VAT and UK p&p. Add £4 per project for post to Europe; £5 per project outside Europe.
Practical Electronics | June | 2025
77
Practical Electronics PCB SERVICE
PROJECT
APRIL 2024
CODE
PRICE
PROJECT
APRIL 2023
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
£8.95
£9.95
£6.95
£7.95
MARCH 2023
Pico BackPack......................................................................... 07101221
Semaphore Signal (controller).................................................. 09103221
Semaphore Signal (blade)........................................................ 09103222
£10.95
FEBRUARY 2023
Tesla Coil driver board.............................................................. 26102221
Tesla Coil potentiometer board................................................ 26102222
Cooling Fan Controller & Loudspeaker Protector................... 01102221
Remote Gate Controller........................................................... 11009121
£8.95
£7.95
£8.95
SEPTEMBER 2023
Mini LED Driver......................................................................... 16106221
New GPS-Synchronised Clock............................................... 19109221
Hummingbird Amplifier............................................................ 01111211
£9.95
SMD Trainer PCB..................................................................... 29106211A £8.95
SMD Trainer PCB + parts......................................................... 29106211B £13.95
£9.95
£5.95
£5.95
£5.95
£6.95
£6.95
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
£7.95
£9.95
OCTOBER 2022
SMD Test Tweezers – PCB and pair of tweezer arms............ 04106211-2 £11.95
SMD Test Tweezers – programmed PIC12F1572-I/SN.......... 0410621A
£7.95
Tele-com............................................................................. 12110211 £12.95
110dB RF Attenuator............................................................... CSE211003 £9.95
Universal Battery Charge Controller (2023 update)................ 14107192
£9.95
Wide-Range OhmMeter........................................................... 04109221
£12.95
Multimeter Checker/Calibrator................................................ 04107221
JUNE 2023
Arduino Programmable Load................................................... 04105221
Buck-Boost LED Driver............................................................ 16103221
£7.95
£8.95
£9.95
£7.95
£5.95
£7.95
£7.95
DECEMBER 2022
AUGUST 2023
JULY 2023
£9.95
£5.95
£8.95
£12.95
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
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
£9.95
£7.95
£5.95
JANUARY 2023
£8.95
£11.95
£9.95
NOVEMBER 2023
OCTOBER 2023
PRICE
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
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
MARCH 2024
CODE
SEPTEMBER 2022
Touchscreen Digital Preamp – main board............................. 01103191
Touchscreen Digital Preamp – adaptor board pair................. 01103192
20A DC Motor Speed Controller.............................................. 11006211
£10.95
£12.95
£5.95
£9.95
AUGUST 2022
£8.95
£8.95
Multi-purpose Battery Manager – I/O Expander..................... 11104212
Multi-purpose Battery Manager – Switch Module.................. 11104211
Simple MIDI Music Keyboard (for 8 switches)........................ 23101213
Nano Pong................................................................................ 08105212
MAY 2023
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
£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
Silicon Chip kits & parts for projects in this issue (posted from Australia):
Dual Mini LED Dice kit (TH LED version)
Dual Mini LED Dice kit (SMD LED version)
Hard-to-get parts for Dual Hybrid Power Supply regulator board
Hard-to-get parts for Dual Hybrid Power Supply CPU board
https://siliconchip.au/Shop/20/6849
https://siliconchip.au/Shop/20/6961
https://siliconchip.au/Shop/20/6096
https://siliconchip.au/Shop/20/6121
AUD $21 (about £10.50) + P&P
AUD $21 (about £10.50) + P&P
AUD $120 (about £60) + P&P
AUD $72 (about £36) + P&P
20% VAT is included in the above prices (it will be removed for customers outside the UK). Postage & packing cost is typically around £12-15.
Please allow 1-2 weeks for delivery (longer in some cases).
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Practical Electronics | June | 2025
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