Silicon ChipMarket Centre - June 2018 SILICON CHIP

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  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: I, for one, welcome our new farm robot overlords
  4. Feature: AgBots – robots working on the farm of tomorrow! by Dr David Maddison
  5. Project: The USB Flexitimer: accurately timed switching by John Clarke and Nicholas Vinen
  6. Project: Wide-range digital LC Meter by Tim Blythman
  7. PartShop
  8. Project: Switch on or off anything with a Temperature Switch by John Clarke
  9. Subscriptions
  10. Serviceman's Log: Repairing ‘proper’ stereo gear is satisfying by Dave Thompson
  11. Project: 800W (+) Uninterruptible Power Supply (UPS) Part II by Duraid Madina and Tim Blythman
  12. Review: Degen’s wind-up or solar-powered AM/FM/SW radio by Ross Tester
  13. Feature: El Cheapo Modules 17: 4GHz digital attenuator by Jim Rowe
  14. PartShop
  15. Vintage Radio: 1952 Astor GP/PS Hybrid Portable by Associate Professor Graham Parslow
  16. Product Showcase
  17. Market Centre
  18. Advertising Index
  19. Notes & Errata: 6GHz+ Touchscreen Frequency Counter / 800W+ Uninterruptible Power Supply / Deluxe Frequency Switch / USB Port Protector
  20. Outer Back Cover

This is only a preview of the June 2018 issue of Silicon Chip.

You can view 38 of the 104 pages in the full issue and the advertisments.

For full access, purchase the issue for $8.20 or subscribe for access to the latest issues.

Articles in this series:
  • AgBots – robots working on the farm of tomorrow! (June 2018)
  • The farm of the future . . . Part II (July 2018)
Items relevant to "The USB Flexitimer: accurately timed switching":
  • USB Flexitimer PCB [19106181] (AUD $7.50)
  • PIC16F1455-I/P programmed for the USB Flexitimer [1910618A.HEX] (Programmed Microcontroller, AUD $10.00)
  • Firmware (C and HEX) files for the USB Flexitimer [1910618A.HEX] (Software, AUD $3.00)
  • USB Flexitimer PCB pattern (PDF download) [19106181] (AUD $3.00)
Items relevant to "Wide-range digital LC Meter":
  • Wide-range digital LC Meter PCB with stackable headers [04106181] (AUD $7.50)
  • Wide-range digital LC Meter PCB [04106181] (AUD $5.00)
  • Case pieces for the Wide-range Digital LC Meter (PCB, AUD $7.50)
  • 1nF ±1% polypropylene (MKP) or C0G/NP0 ceramic capacitor (Component, AUD $2.50)
  • 20x4 Alphanumeric serial (I²C) LCD module with blue backlight (Component, AUD $15.00)
  • Arduino Sketch (.ino) and libraries for the Wide-Range Digital LC Meter (Software, AUD $3.00)
  • Wide-range digital LC Meter PCB pattern (PDF download) [04106181] (AUD $3.00)
Items relevant to "Switch on or off anything with a Temperature Switch":
  • Temperature Switch Mk2 PCB [05105181] (AUD $7.50)
  • PIC12F617-I/P programmed for the Temperature Switch Mk2 [0510518A.HEX] (Programmed Microcontroller, AUD $10.00)
  • Firmware (ASM and HEX) files for the Temperature Switch Mk2 [0510518A.HEX] (Software, AUD $3.00)
  • Temperature Switch Mk2 PCB pattern (PDF download) [05105181] (AUD $3.00)
Items relevant to "800W (+) Uninterruptible Power Supply (UPS) Part II":
  • 800W+ Uninterruptible Power Supply control shield PCB [11106181] (AUD $5.00)
  • Arduino Sketches (.ino) and library for the 800W+ Uninterruptable Power Supply (Software, AUD $3.00)
  • 800W+ Uninterruptible Power Supply control shield PCB pattern (PDF download) [11106181] (AUD $3.00)
  • 800W+ Uninterruptible Power Supply front panel artwork (PDF download) (AUD $3.00)
Articles in this series:
  • 800W (+) Uninterruptible Power Supply (UPS) (May 2018)
  • 800W (+) Uninterruptible Power Supply (UPS) Part II (June 2018)
  • 800W (+) Uninterruptible Power Supply (UPS) Part III (July 2018)
Articles in this series:
  • El Cheapo Modules From Asia - Part 1 (October 2016)
  • El Cheapo Modules From Asia - Part 2 (December 2016)
  • El Cheapo Modules From Asia - Part 3 (January 2017)
  • El Cheapo Modules from Asia - Part 4 (February 2017)
  • El Cheapo Modules, Part 5: LCD module with I²C (March 2017)
  • El Cheapo Modules, Part 6: Direct Digital Synthesiser (April 2017)
  • El Cheapo Modules, Part 7: LED Matix displays (June 2017)
  • El Cheapo Modules: Li-ion & LiPo Chargers (August 2017)
  • El Cheapo modules Part 9: AD9850 DDS module (September 2017)
  • El Cheapo Modules Part 10: GPS receivers (October 2017)
  • El Cheapo Modules 11: Pressure/Temperature Sensors (December 2017)
  • El Cheapo Modules 12: 2.4GHz Wireless Data Modules (January 2018)
  • El Cheapo Modules 13: sensing motion and moisture (February 2018)
  • El Cheapo Modules 14: Logarithmic RF Detector (March 2018)
  • El Cheapo Modules 16: 35-4400MHz frequency generator (May 2018)
  • El Cheapo Modules 17: 4GHz digital attenuator (June 2018)
  • El Cheapo: 500MHz frequency counter and preamp (July 2018)
  • El Cheapo modules Part 19 – Arduino NFC Shield (September 2018)
  • El cheapo modules, part 20: two tiny compass modules (November 2018)
  • El cheapo modules, part 21: stamp-sized audio player (December 2018)
  • El Cheapo Modules 22: Stepper Motor Drivers (February 2019)

Purchase a printed copy of this issue for $9.05-9.95.

MARKET CENTRE Cash in your surplus gear. Advertise it here in SILICON CHIP FOR SALE KIT ASSEMBLY & REPAIR tronixlabs.com.au – Australia's best value for supported hobbyist electronics from Adafruit, SparkFun, Arduino, Freetronics, Raspberry Pi – along with kits, components and much more – with same-day shipping. PCB MANUFACTURE: single to multi­ layer. Bare board tested. One-offs to any quantity. 48 hour service. Artwork design. Excellent prices. Check out our specials: www.ldelectronics.com.au PCBs MADE, ONE OR MANY. Any format, hobbyists welcome. Sesame Electronics Phone 0434 781 191. nev-sesame<at>outlook.com www.sesame.com.au LEDs, BRAND NAME and generic LEDs. Heatsinks, fans, LED drivers, power supplies, LED ribbon, kits, components, hardware, EL wire. www.ledsales.com.au Where do you get those HARD-TO-GET PARTS? Where possible, the SILICON CHIP On-Line Shop stocks hard-to-get project parts, along with PCBs, programmed micros, panels and all the other bits and pieces to enable you to complete your SILICON CHIP project. SILICON CHIP On-Line SHOP www.siliconchip.com.au/shop DAVE THOMPSON (the Serviceman from SILICON CHIP) is available to help you with kit assembly, project troubleshooting, general electronics and custom design work. No job too small. Based in Christchurch, NZ but service available Australia/NZ wide. Email dave<at>davethompson.co.nz VINTAGE RADIO REPAIRS: electrical mechanical fitter with 36 years ex­ perience and extensive knowledge of valve and transistor radios. Professional and reliable repairs. All workmanship guaranteed. $17 inspection fee plus charges for parts and labour as required. Labour fees $38 p/h. Pensioner discounts available on application. Contact Alan, VK2FALW on 0425 122 415 or email bigalradioshack<at>gmail. com KEITH RIPPON KIT ASSEMBLY & REPAIR: * Australia & New Zealand; * Small production runs. Phone Keith 0409 662 794. keith.rippon<at>gmail.com ADVERTISING IN MARKET CENTRE Classified Ad Rates: $32.00 for up to 20 words (punctuation not charged) plus $1.20 for each additional word. Display ads in Market Centre (minimum 2cm deep, maximum 10cm deep): $82.50 per column centimetre per insertion. All prices include GST. Closing date: 5 weeks prior to month of sale. To book, email the text to silicon<at>siliconchip.com.au and include your name, address & credit card details, or phone Glyn (02) 9939 3295 or 0431 792 293. WARNING! SILICON CHIP magazine regularly describes projects which employ a mains power supply or produce high voltage. All such projects should be considered dangerous or even lethal if not used safely. Readers are warned that high voltage wiring should be carried out according to the instructions in the articles. When working on these projects use extreme care to ensure that you do not accidentally come into contact with mains AC voltages or high voltage DC. If you are not confident about working with projects employing mains voltages or other high voltages, you are advised not to attempt work on them. Silicon Chip Publications Pty Ltd disclaims any liability for damages should anyone be killed or injured while working on a project or circuit described in any issue of SILICON CHIP magazine. Devices or circuits described in SILICON CHIP may be covered by patents. SILICON CHIP disclaims any liability for the infringement of such patents by the manufacturing or selling of any such equipment. SILICON CHIP also disclaims any liability for projects which are used in such a way as to infringe relevant government regulations and by-laws. Advertisers are warned that they are responsible for the content of all advertisements and that they must conform to the Competition & Consumer Act 2010 or as subsequently amended and to any governmental regulations which are applicable. siliconchip.com.au Celebrating 30 Years June 2018  103