What can you fit in 1K words of microcontroller program memory? Dave takes a look at two old projects of his published in Electronics Australia magazine using a PIC 16F84 with 1K of program memory. Will the assembly language code still compile first go in MPLABX after 18 years? Assembler Code Download Forum HERE

A response to Minute Physics’s latest video promoting the Rayton Solar equity crowd funding campaign. Dave looks at Rayton Solar and it’s investment risk and practical viability and asks the question, should Minute Physics have promoted this? And they roped in Bill Nye too! Let me know what you think, did Minute Physics cross a ...

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

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

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 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 Manual With Schematics Forum HERE Manuals HERE

Dave gets IoT angry in this Mailbag Forum HERE SPOILERS: Bolt IoT challenge 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 PLC controller, the Controllino Total Solar Eclipse Stamps Polish 1980’s teardowns Extensive collection of VOIP Media ...

David explains PID controllers. First part of a mini-series on control theory. Forum HERE

Dave takes you on a complete walk-through of a typical (7400) digital logic datasheet and explains all the specifications and information. Forum HERE

Dave looks at several USB logic analysers from ZeroPlus Arduino Starter Kit Forum HERE