Eevblog

EEVblog #673 - Mailbag

Duration: 41:21
Updated: 14 Oct 2014

Mailbag Monday. SPOILERS: Altium Circuit Maker: http://circuitmaker.com/ Professional USB 2.0 Protocol Analyser: https://www.kickstarter.com/projects/itic/professional-usb-20-ls-fs-hs-protocol-analyzer-mod from International Test Instruments: http://www.internationaltestinstruments.com Cypress USB Microcontroller: http://www.cypress.com/?rID=38801 http://www.geppettoelectronics.com/ Forum: http://www.eevblog.com/forum/blog/eevblog-673-mailbag/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #671 - White Van Speaker Scam Teardown

Duration: 38:45
Updated: 07 Oct 2014

Dave exposes the global White Van Speaker Scam and tears down a Marc Vincent Surround Sound Receiver, one of the items sold in Australia through this scam. How crap is it?, watch and find out! Also a 3D Optics HD-8500 projector that is also sold as part of the scam that involves the absolute cheapest quality parts sold under fake brands at grossly inflated prices from literally the back of a van. A Current Affair Exposé of the scam in Australia, and the Marc Vincent brand in particular: https://www.youtube.com/watch?v=_PcfyLl-QLM Not to be confused with the real Mark Vincent (note the spelling) who won Australia's Got Talent. The same scam in the UK: https://www.youtube.com/watch?v=NOsYy3h4YVw 3D Optics HD-8500 datasheet: http://optimax3d.com/products/8500/ Datasheets: TDA2030 Power amplifier: http://www.zymcu.com/datasheet/electronics/TDA2030.pdf Nuvoton 8051: http://www2.nuvoton.com/hq/enu/ProductAndSales/ProductLines/MicrocontrollerApplicationIC/8051Microcontroller/80C51Microcontroller12T/Documents/W78E054D_W78E052D_W78E051D.pdf Forum: http://www.eevblog.com/forum/blog/eevblog-671-white-van-speaker-scam-teardown/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #672 - GoPro Hero 4 Silver Teardown

Duration: 23:30
Updated: 11 Oct 2014

What's inside the new GoPro Hero 4 Silver action camera? And how to open your GoPro Hero 4 for repair. Dave tears it down! See the new Sony Exmor-R image sensor. Ambarella A9 Chipset: http://www.ambarella.com/uploads/docs/A9%20Product%20Brief%20120813-2.pdf TI TLV320AIC3212 http://www.ti.com/product/tlv320aic3212 Forum: http://www.eevblog.com/forum/blog/eevblog-672-gopro-hero-4-silver-teardown/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #668 - Mailbag + FLIR TG165

Duration: 38:39
Updated: 30 Sep 2014

Help beat Congenital Muscular Dystrophy: http://www.beat4life.com/ (Pozible campaign live tomorrow) A look at the FLIR TG-165 visual spot thermometer and (unfair) comparison with the FLIR E8 thermal camera. http://www.flir.com/tg165/ Comparison with the Fluke VT02 / VT04 and FLIR ONE http://www.eevblog.com/files/FLIR-TG165/TG165_Comparison_FINAL.pdf High density Mitra 125 16KB magnetic core ferrite memory from the 1970's http://feb-patrimoine.com/english/mitra.htm Eric LPRS low power radio modules: http://www.lprs.co.uk/easy-radio/eric/ Forum: http://www.eevblog.com/forum/blog/eevblog-668-mailbag-flir-tg165/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #670 - FLIR TG165 Lepton Sensor Followup

Duration: 30:59
Updated: 04 Oct 2014

A followup on the FLIR TG165 Visual Thermometer / Thermal Camera teardown. A look at the micro-shutter and some thermal chamber experiments and scope measurements on the SPI data from the Lepton sensor used. Forum: http://www.eevblog.com/forum/blog/eevblog-670-flir-tg165-lepton-sensor-followup/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #664 - Peltier TEG Energy Harvesting Experiments

Duration: 54:44
Updated: 22 Sep 2014

Dave plays around with an energy harvesting kit to see how much power he can get out of a Peltier device used as a Seeback effect module to generate power from temperature differentials. Bonus white board tutorial of how Peltier devices work as heat pumps. Wuerth Elektronik Energy Harvesting Kit: http://www.we-online.com/web/en/electronic_components/produkte_pb/demoboards/energy_harvesting/energy_harvesting.php Linear Technology: http://www.linear.com/solutions/1834 DC2080A Demo Manual: http://cds.linear.com/docs/en/demo-board-manual/DC2080AF.PDF LTC3108 Energy harvesting chip datasheet: http://cds.linear.com/docs/en/datasheet/3108fc.pdf Measuring microcontroller sleep current using integration on an oscilloscope: https://www.youtube.com/watch?v=Dh0xYu8YvaE Forum: http://www.eevblog.com/forum/blog/eevblog-664-peltier-teg-energy-harvesting-experiments/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #658 - Mailbag

Duration: 19:48
Updated: 04 Sep 2014

Mailbag Monday. Dave opens his mail Forum: http://www.eevblog.com/forum/blog/eevblog-658-mailbag/ Spoilers: Keithley 177 Multimeter teardown: Schematic http://www.eevblog.com/forum/testgear/look...

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EEVblog #661 - Mailbag

Duration: 50:43
Updated: 07 Sep 2014

Mailbag Monday Negative Feedback T-Shirts: NOTE: Black shirt coming shortly, bug in Teespring site... http://teespring.com/negativefeedbackAsh 555 Timer: http://teespring.com/555timer-grey3 Warranty VOID: http://teespring.com/warrantyvoid2 Forum: http://www.eevblog.com/forum/blog/eevblog-661-mailbag/ Spoliers & Links: Geppetto Electronics: https://www.tindie.com/stores/nsayer/ SMD Prototype Board: http://snikrepmada.com/projects/ The RoBoard Robot Development Board: https://www.tindie.com/products/PAMelectronics/the-roboard/ LED Strip Driver Board: http://blog.spitzenpfeil.org/wordpress/projects/ https://www.tindie.com/stores/madworm Conrad Retro Radio Kits: http://www.conrad.com/ce/en/overview/2420100/Retro-Kits Evoke Flow WIFi Radio OLED Display Repair MiniDSO Pocket Oscilloscope (a.k.a Seed Studio DSO Quad) http://minidso.com Pi Power Raspberry Pit power adapter: https://www.tindie.com/products/nsayer/pi-power/ L293D H-Bridge Motor driver chip: http://www.ti.com/lit/ds/symlink/l293d.pdf MOSFET: http://www.aosmd.com/pdfs/datasheet/ao3400.pdf MCP1804 LDO: http://www.microchip.com/wwwproducts/Devices.aspx?product=MCP1804 Silicate rock used in solar cell manufacture EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #669 - FLIR TG165 Thermal Imager Teardown

Duration: 32:04
Updated: 01 Oct 2014

What's inside the new FLIR TG165 Visual IR Thermometer / Thermal Camera using the new Lepton sensor? How does it compare to the FLIR ONE & FLIR E4? Does it have a calibration shutter? Does it have any extra capability built in ready to be hacked? How easy is it to open? (SPOILER - it's a BASTARD!) Datasheets: Lepton Module: http://www.flir.com/uploadedFiles/CVS_Americas/Cores_and_Components_NEW/Products/Uncooled_Cores/Lepton/FLIR-Lepton-DataBrief.pdf http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1031/LN1565 Forum: http://www.eevblog.com/forum/blog/eevblog-669-flir-tg165-thermal-imager-teardown/ Teardown Photos: COMING SOON EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #663 - Compucorp 322G Calculator Teardown

Duration: 29:18
Updated: 16 Sep 2014

Teardown Tuesday Inside a 1973 vintage programmable scientific desktop calculator. Plus an attempted repair. Service Manual: http://www.wass.net/manuals/Compucorp%20326%20Service.pdf The P2102 is a 1K x 1 bit SRAM, so looks like a 4 bit processor architecture. Forum: http://www.eevblog.com/forum/blog/eevblog-663-compucorp-322g-calculator-teardown/ Teardown photos: http://www.eevblog.com/2014/09/16/eevblog-663-compucorp-322g-calculator-teardown/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #633 - Mailbag

Duration: 44:19
Updated: 06 Sep 2014

The Ben Heck Show: Speak'N'DaveJones https://www.youtube.com/watch?v=wYo4lOuD_-Y Don't forget the Hack-A-Day Prize Go to Space! http://hackaday.io/prize Tekt...

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EEVblog #639 - IBM L40SX Retro Laptop Teardown

Duration: 27:49
Updated: 05 Sep 2014

Teardown Tuesday What's inside a 1991 vintage IBM PS/2 L40SX 80386SX laptop? Inside the LCD: http://animus.pro/public/lcd_2.jpg http://animus.pro/public/lcd_...

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EEVblog #659 - Medical Plugpack Teardown

Duration: 29:50
Updated: 05 Sep 2014

What's inside an IEC60601-1 medical class 5V mains DC-DC plugpack? What is the difference between PCB clearance and creepage? A German FRIWO 5V FW7555M/05 brand medical grade isolation unit...

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EEVblog #660 - Electrocardiogram (ECG) Experiments

Duration: 30:18
Updated: 05 Sep 2014

Some experiments with the Electrocardiogram (ECG) circuitry in the St Jude Pacemaker Monitor Heart Rate Analyser. Forum: http://www.eevblog.com/forum/blog/eevblog-660-electrocardiogram-(ecg)-experiments/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #667 - Agilent 6643A Power Supply Binding Post Hack

Duration: 22:19
Updated: 27 Sep 2014

Dave shows how to upgrade an Agilent/Keysight 6643A/6642A/6641A system dc power supply to have front panel binding posts. Sense lines are added to improve the high current accuracy. Operation Manual: http://literature.cdn.keysight.com/litweb/pdf/5964-8267.pdf Service Manual + Schematic: http://literature.cdn.keysight.com/litweb/pdf/5959-3376.pdf Auction Score video: https://www.youtube.com/watch?v=peRJtgfn-Lw Forum: http://www.eevblog.com/forum/blog/eevblog-667-agilent-6643a-power-supply-binding-post-hack/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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EEVblog #655 - Auction Score

Duration: 44:39
Updated: 06 Sep 2014

Lots of test equipment auction goodness from Precision Mechatronics who went into liquidation. And is it possible to mod a system PSU with binding posts? Ser...

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EEVblog #637 - Omni Directional Laser Barcode Scanner Teardown

Duration: 25:25
Updated: 05 Sep 2014

What's inside one of those omni-directional laser barcode scanners you use at the supermarket, and how does it work? Motorola / Symbol LS9208 Datasheets: Ref...

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EEVblog #632 - Solar Roadways Are BULLSHIT!

Duration: 32:01
Updated: 06 Sep 2014

Dave debunks the Solar Roadways project that generated over $2.1M on Indiegogo, as well as almost another million dollars in US government funding. In this v...

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EEVblog #645 - TRS-80 Model I Retro Computer Teardown

Duration: 33:25
Updated: 06 Sep 2014

Dave looks inside the most popular microcomputer of the 1970's, the Radio Shack / Tandy TRS-80 Model I And also a look at the TRS-80 Model 102. Bonus EMI tes...

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EEVblog #606 - Mailbag

Duration: 39:24
Updated: 06 Sep 2014

Dave flips the bird. A 1970's Mattel car racing game. Sex on a stick multimeter probes. Sagan, Mrs EEVblog, and a whole lot more in today's Mailbag Monday Bo...

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EEVblog #600 - OpAmps Tutorial - What is an Operational Amplifier?

Duration: 49:32
Updated: 06 Sep 2014

The most often requested video! In this tutorial Dave explains what Operational Amplifiers (OpAmps) are and how they work. The concepts of negative feedback,...

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EEVblog #651 - Mailbag

Duration: 33:35
Updated: 06 Sep 2014

Mailbag Monday Coin Validator Teardown Datasheets: http://html.alldatasheet.com/html-pdf/140285/NSC/SCX6206/114/2/SCX6206.html http://bitsavers.trailing-edge...

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EEVblog #662- How & Why to use Integration on an Oscilloscope

Duration: 19:53
Updated: 13 Sep 2014

In this tutorial Dave demonstrates the seldom used and often little understood mathematical integration function available on your modern digital oscilloscope. And demonstrates a practical example use for it in accurately measuring the total power consumption of a microcontroller that sleeps and then wakes up and does some processing before shutting down again. By getting the total area under the current curve. Forum: http://www.eevblog.com/forum/blog/eevblog-662-how-why-to-use-integration-on-an-oscilloscope/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/

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