Silicon ChipOuter Front Cover - February 2018 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Yet another threat to surfing the net
  4. Feature: Turning your garbage into useful electricity by Ross Tester
  5. Project: A Water Tank Level Meter with WiFi and More! by Nicholas Vinen
  6. Review: Navman’s DriveDuo – Satnav and Dashcam by Leo Simpson
  7. Project: 6-Element VHF TV Yagi to kill UHF 4G interference by Leo Simpson
  8. Feature: El Cheapo Modules 13: sensing motion and moisture by Jim Rowe
  9. Serviceman's Log: Smart TVs can be pretty dumb sometimes by Dave Thompson
  10. Product Showcase
  11. Project: Highly versatile & accurate dot/bar 10-LED Bargraph by John Clarke
  12. Project: The Arduino Mega Box Music Player revisited by Bao Smith
  13. Vintage Radio: A more detailed look at the 1919/20 Grebe Synchrophase by Ian Batty
  14. PartShop
  15. Subscriptions
  16. Market Centre
  17. Advertising Index
  18. Notes & Errata: UV Light Box & Timer / Micromite BackPack Touchscreen DDS Signal Generator / Deluxe Touchscreen eFuse / Kelvin the Cricket
  19. Outer Back Cover: Hare & Forbes Machineryhouse

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

You can view 37 of the 104 pages in the full issue, including the advertisments.

For full access, purchase the issue for $10.00 or subscribe for access to the latest issues.

Items relevant to "A Water Tank Level Meter with WiFi and More!":
  • WiFi Water Tank Level Meter shield PCB with stackable headers [21110171] (AUD $7.50)
  • Small 2A boost step-up regulator module (MT3608) (Component, AUD $3.00)
  • IPP80P03P4L-07 high-current P-channel Mosfet (Component, AUD $2.50)
  • GY-68 Barometric Pressure/Altitude/Temperature I²C Sensor breakout board (Component, AUD $2.50)
  • DHT22/AM2302 Compatible Temperature and Humidity sensor module (Component, AUD $9.00)
  • 5dBi 2.4GHz WiFi antenna with U.FL/IPX adaptor cable (Component, AUD $12.50)
  • 2dBi omnidirectional 2.4GHz WiFi antenna with U.FL/IPX adaptor cable (Component, AUD $10.00)
  • Elecrow 1A/500mA Li-ion/LiPo charger board with USB power pass-through (Component, AUD $25.00)
  • Arduino sketch (.ino) file and libraries for the WiFi Water Tank Level Meter (Software, Free)
  • WiFi Water Tank Level Meter shield PCB pattern (PDF download) [21110171] (Free)
Items relevant to "El Cheapo Modules 13: sensing motion and moisture":
  • Arduino and BASIC source code for El Cheapo Modules 13 (Software, Free)
Articles in this series:
  • El Cheapo Modules From Asia - Part 1 (October 2016)
  • El Cheapo Modules From Asia - Part 1 (October 2016)
  • El Cheapo Modules From Asia - Part 2 (December 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 3 (January 2017)
  • El Cheapo Modules from Asia - Part 4 (February 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 5: LCD module with I²C (March 2017)
  • El Cheapo Modules, Part 6: Direct Digital Synthesiser (April 2017)
  • El Cheapo Modules, Part 6: Direct Digital Synthesiser (April 2017)
  • El Cheapo Modules, Part 7: LED Matrix displays (June 2017)
  • El Cheapo Modules, Part 7: LED Matrix displays (June 2017)
  • El Cheapo Modules: Li-ion & LiPo Chargers (August 2017)
  • El Cheapo Modules: Li-ion & LiPo Chargers (August 2017)
  • El Cheapo modules Part 9: AD9850 DDS module (September 2017)
  • El Cheapo modules Part 9: AD9850 DDS module (September 2017)
  • El Cheapo Modules Part 10: GPS receivers (October 2017)
  • El Cheapo Modules Part 10: GPS receivers (October 2017)
  • El Cheapo Modules 11: Pressure/Temperature Sensors (December 2017)
  • El Cheapo Modules 11: Pressure/Temperature Sensors (December 2017)
  • El Cheapo Modules 12: 2.4GHz Wireless Data Modules (January 2018)
  • El Cheapo Modules 12: 2.4GHz Wireless Data Modules (January 2018)
  • El Cheapo Modules 13: sensing motion and moisture (February 2018)
  • El Cheapo Modules 13: sensing motion and moisture (February 2018)
  • El Cheapo Modules 14: Logarithmic RF Detector (March 2018)
  • El Cheapo Modules 14: Logarithmic RF Detector (March 2018)
  • El Cheapo Modules 16: 35-4400MHz frequency generator (May 2018)
  • El Cheapo Modules 16: 35-4400MHz frequency generator (May 2018)
  • El Cheapo Modules 17: 4GHz digital attenuator (June 2018)
  • El Cheapo Modules 17: 4GHz digital attenuator (June 2018)
  • El Cheapo: 500MHz frequency counter and preamp (July 2018)
  • El Cheapo: 500MHz frequency counter and preamp (July 2018)
  • El Cheapo modules Part 19 – Arduino NFC Shield (September 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 20: two tiny compass modules (November 2018)
  • El cheapo modules, part 21: stamp-sized audio player (December 2018)
  • El cheapo modules, part 21: stamp-sized audio player (December 2018)
  • El Cheapo Modules 22: Stepper Motor Drivers (February 2019)
  • El Cheapo Modules 22: Stepper Motor Drivers (February 2019)
  • El Cheapo Modules 23: Galvanic Skin Response (March 2019)
  • El Cheapo Modules 23: Galvanic Skin Response (March 2019)
  • El Cheapo Modules: Class D amplifier modules (May 2019)
  • El Cheapo Modules: Class D amplifier modules (May 2019)
  • El Cheapo Modules: Long Range (LoRa) Transceivers (June 2019)
  • El Cheapo Modules: Long Range (LoRa) Transceivers (June 2019)
  • El Cheapo Modules: AD584 Precision Voltage References (July 2019)
  • El Cheapo Modules: AD584 Precision Voltage References (July 2019)
  • Three I-O Expanders to give you more control! (November 2019)
  • Three I-O Expanders to give you more control! (November 2019)
  • El Cheapo modules: “Intelligent” 8x8 RGB LED Matrix (January 2020)
  • El Cheapo modules: “Intelligent” 8x8 RGB LED Matrix (January 2020)
  • El Cheapo modules: 8-channel USB Logic Analyser (February 2020)
  • El Cheapo modules: 8-channel USB Logic Analyser (February 2020)
  • New w-i-d-e-b-a-n-d RTL-SDR modules (May 2020)
  • New w-i-d-e-b-a-n-d RTL-SDR modules (May 2020)
  • New w-i-d-e-b-a-n-d RTL-SDR modules, Part 2 (June 2020)
  • New w-i-d-e-b-a-n-d RTL-SDR modules, Part 2 (June 2020)
  • El Cheapo Modules: Mini Digital Volt/Amp Panel Meters (December 2020)
  • El Cheapo Modules: Mini Digital Volt/Amp Panel Meters (December 2020)
  • El Cheapo Modules: Mini Digital AC Panel Meters (January 2021)
  • El Cheapo Modules: Mini Digital AC Panel Meters (January 2021)
  • El Cheapo Modules: LCR-T4 Digital Multi-Tester (February 2021)
  • El Cheapo Modules: LCR-T4 Digital Multi-Tester (February 2021)
  • El Cheapo Modules: USB-PD chargers (July 2021)
  • El Cheapo Modules: USB-PD chargers (July 2021)
  • El Cheapo Modules: USB-PD Triggers (August 2021)
  • El Cheapo Modules: USB-PD Triggers (August 2021)
  • El Cheapo Modules: 3.8GHz Digital Attenuator (October 2021)
  • El Cheapo Modules: 3.8GHz Digital Attenuator (October 2021)
  • El Cheapo Modules: 6GHz Digital Attenuator (November 2021)
  • El Cheapo Modules: 6GHz Digital Attenuator (November 2021)
  • El Cheapo Modules: 35MHz-4.4GHz Signal Generator (December 2021)
  • El Cheapo Modules: 35MHz-4.4GHz Signal Generator (December 2021)
  • El Cheapo Modules: LTDZ Spectrum Analyser (January 2022)
  • El Cheapo Modules: LTDZ Spectrum Analyser (January 2022)
  • Low-noise HF-UHF Amplifiers (February 2022)
  • Low-noise HF-UHF Amplifiers (February 2022)
  • A Gesture Recognition Module (March 2022)
  • A Gesture Recognition Module (March 2022)
  • Air Quality Sensors (May 2022)
  • Air Quality Sensors (May 2022)
  • MOS Air Quality Sensors (June 2022)
  • MOS Air Quality Sensors (June 2022)
  • PAS CO2 Air Quality Sensor (July 2022)
  • PAS CO2 Air Quality Sensor (July 2022)
  • Particulate Matter (PM) Sensors (November 2022)
  • Particulate Matter (PM) Sensors (November 2022)
  • Heart Rate Sensor Module (February 2023)
  • Heart Rate Sensor Module (February 2023)
  • UVM-30A UV Light Sensor (May 2023)
  • UVM-30A UV Light Sensor (May 2023)
  • VL6180X Rangefinding Module (July 2023)
  • VL6180X Rangefinding Module (July 2023)
  • pH Meter Module (September 2023)
  • pH Meter Module (September 2023)
  • 1.3in Monochrome OLED Display (October 2023)
  • 1.3in Monochrome OLED Display (October 2023)
  • 16-bit precision 4-input ADC (November 2023)
  • 16-bit precision 4-input ADC (November 2023)
  • 1-24V USB Power Supply (October 2024)
  • 1-24V USB Power Supply (October 2024)
  • 14-segment, 4-digit LED Display Modules (November 2024)
  • 14-segment, 4-digit LED Display Modules (November 2024)
  • 0.91-inch OLED Screen (November 2024)
  • 0.91-inch OLED Screen (November 2024)
  • The Quason VL6180X laser rangefinder module (January 2025)
  • The Quason VL6180X laser rangefinder module (January 2025)
  • TCS230 Colour Sensor (January 2025)
  • TCS230 Colour Sensor (January 2025)
  • Using Electronic Modules: 1-24V Adjustable USB Power Supply (February 2025)
  • Using Electronic Modules: 1-24V Adjustable USB Power Supply (February 2025)
  • Low-cost electronic modules: 8×16 LED Matrix module (July 2025)
  • Low-cost electronic modules: 8×16 LED Matrix module (July 2025)
Items relevant to "Highly versatile & accurate dot/bar 10-LED Bargraph":
  • 10-LED Bargraph PCB [04101181] (AUD $7.50)
  • 10-LED Bargraph Signal Processing PCB [04101182] (AUD $5.00)
  • 10-LED Bargraph PCB patterns (PDF download) [04101181/2] (Free)
Items relevant to "The Arduino Mega Box Music Player revisited":
  • Firmware (Arduino sketch) for the LC Meter (Mega Box) (Software, Free)
  • Firmware (Arduino sketch) for the VS1053 Music Player (Mega Box) (Software, Free)
  • Geeetech VS1053B MP3/audio shield for Arduino (Component, AUD $10.00)
  • Firmware (Arduino sketch) for the VS1053 Music Player (Mega Box) (Software, Free)
Articles in this series:
  • The Arduino MegaBox from Altronics (December 2017)
  • The Arduino MegaBox from Altronics (December 2017)
  • Arduino LC Meter Shield Kit (January 2018)
  • Arduino LC Meter Shield Kit (January 2018)
  • The Arduino Mega Box Music Player revisited (February 2018)
  • The Arduino Mega Box Music Player revisited (February 2018)
  • Altronics New MegaBox V2 Arduino prototyping system (December 2019)
  • Altronics New MegaBox V2 Arduino prototyping system (December 2019)

Purchase a printed copy of this issue for $10.00.
FEBRUARY 2018 ISSN 1030-2662 02 9 771030 266001 T he B EST D IY P rojects! $9 95* The BEST DIY Projects! PP255003/01272 INC GST Call it up from ANYWHERE! Home & Farm Water Tank Level Meter with inbuilt , inbuilt weather reporting and it’s solar powered! NZ $ 12 90 INC GST Avoid 4G phone interference: 6-Element VHF TV YAGI Easy to build – High per formance We review: NAVMAN’S DRIVEDUO Much more than a satnav Much more than a dashcam! REALLY FLEXIBLE TE N L E D DOT/BARGRAPH DISPLAY ] Linear ] Log ] VU ] PPM ] And more! siliconchip.com.au Celebrating 30 Years FEATURE: Tu rning rubbish into electricit February 2018  1 y!