Eevblog #646 – gravity detection using a frequency counter!
Did you know you can use your frequency counter to detect gravity? You've likely done it before and you didn't…
Eevblog #645 – trs-80 model i retro computer teardown
Dave looks inside the most popular microcomputer of the 1970's, the Radio Shack / Tandy TRS-80 Model I And also…
Eevblog #644 – how to design front panels on extruded enclosures – supply part 14
Dave shows some techniques on how to build and mount usable PCB based front panels user interfaces with LCD displays…
Eevblog #643 – mailbag
Mailbag Monday Spoilers: Dual input power selector circuit, the Pow-OR: https://github.com/MouseBiteFever Casio FX-7000G the world's first graphing scientific calculator, circa…
Eevblog #642 – ti connected launchpad
Dave checks out the $20 TI EK-TM4C1294XL Tiva C Series TM4C1294 Connected Launchpad Internet of Things. ARM Cortex M4 processor…
Eevblog #641 – dumpster cash register teardown
Teardown Tuesday. Dave tears down a cash register found in the dumpster. Does it have any useful parts to salvage?…
Eevblog #640 – how to build an electronics work bench
Dave builds another bench for the EEVblog lab. Forum: http://www.eevblog.com/forum/blog/eevblog-640-new-bench-build/ EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.
Eevblog #639 – ibm l40sx retro laptop teardown
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_1.jpg Datasheets: IIT 3C87…
Eevblog #638 – apollo saturn v lvdc testing
Dave tests to see if the chips in a 1960's Apollo LVDC Saturn V Launch Vehicle Digital Computer still work.…
Eevblog #637 – omni directional laser barcode scanner teardown
What's inside one of those omni-directional laser barcode scanners you use at the supermarket, and how does it work? Motorola…