An explanation of near-field vs far-field in relation to EMC compliance testing. H-field magnetic probes vs e-field electric probes. Explanation extraction from video #1176 Wideband EMC log-periodic antenna:

What’s inside the 4CH 100/200MHz entry level Uni-T UPO2104CS oscilloscope? Forum HERE Podcast: Download

Dave demonstrates various practical PCB and component selection solutions and techniques to prevent flex stress cracking of Multi Layer Ceramic Capacitors (MLCC) on PCB’s and preventing your product from

Smoke in the EEVblog Lab! What component failed and caught alight in the RD Tech DPS5020 Power Supply Module? This was supposed to be a build video and review until it caught on fire! Forum HERE Podcast:

All about Multimeter display counts, accuracy, and calibration. Podcast: Download

Mailbag is back! Forum HERE SPOILERS: Beginner schematic and PCB layout analysis. Can Dave guess the mystery PCB’s function? Arduino Inventors Guide Book Radiosonde car tracking Psion II PDA BK Precision

Teardown of a 1989 Sony Watchcam Pocket Flat CRT video display monitor. This ones uses electromagnetic deflection technology. Compare it to the Sinclair FTV1 electrostatic deflection system New intro and

Interview with John Kenny from Keysight Final part 5 of 5 This one covers the design of the 34460 multimeter, dc-dc converter design, cost targets, isolation, 34410a sales, contract manufacturers, production

Interview with John Kenny from Keysight Part 2 of several more to come, released daily, stay tuned! Patrons and forum supports will get all the videos early. This one covers the early days of PCB tools,

Interview with John Kenny from Keysight Part 1 of several more to come, released daily, stay tuned! Patrons and forum supports will get all the videos early. This one covers the history earlier days of

Characterising the performance and efficiency of the $25 DPS3003 30V 3A lab power supply module from RDtech. Includes a how-to on measuring DC-DC converter efficiency graphs, with module power loss on

Dave takes a quick look at the spectacularly cheap $20 DPS series CC/CV modules from RD Tech. How to make a 30V 3A bench power supply with 1mA resolution constant current limiting and multi function display

Dave looks at some issues with fanning out tiny 0.4mm pitch BGA packages, via pad and hole size, tenting, breakouts, solder mask expansion etc. And then compares it with an 1136 pin Xilinx Virtex 5 FPGA

Dave tears down the new Rigol DL3021 Electronic load and has a play around with it. Forum HERE Podcast: Download

Another look at finding a $50 analog oscilloscope on ebay. Forum HERE Podcast: Download

Dave tears down and takes a look at the classic 1980 Tandy / Radio Shack TRS-80 Colour Computer. Includes hacking a composite video output circuit to get it working on a modern HDMI computer monitor. Service

Is a $7 LCR Meter / Component Tester from Ebay any good? Dave tests the M328 (LCR-T4) model component tester. HUGE Forum Thread Forum summary videos HERE This group seems to maintain a version of the firmware:

Dave gets IoT angry in this Mailbag Forum HERE SPOILERS: Bolt IoTchallenge Dave to get an Internet Of Things App working in 5 minutes. Will he do it or will he lose his collective… Arduino based DIN rail

Dave debunks the uBeam ultrasonic wireless phone charging technology and explains why this will NEVER be a practical solution. Also, Meredith Perry’s rant on engineers and other experts. NOTE: This was

Trivia time. Dave explains one of the reasons why annoying centre negative DC power jacks exist. Forum: ► Watch on DTube► Watch Source (IPFS)