To start off, thanks to the video sponsor: JLCPCB for providing pcbs to get the ball rolling on this project. JLCPCB Prototype for $2 (Any Color): https://jlcpcb.com Happy Leap Day!!! Apologies for my voice, coughing and sniffling I'm recovering from the flu. Anyway, so in line with a few recent projects I've done making my own development tools, I thought it'd be neat to make a tiny cute little usb icsp programmer that I can use to program future projects. Now there is a catch: in order to make a usb programmer you kind of already need a usb programmer (or at the very least another usb programmable arduino) to program it (or find a friend who will do it for you)! Anyway with that out of the way, this entire project is based on the ArduinoISP example sketch included with the Arduino IDE, the ATMEGA328P and the CH340G, a usb to serial chip. Board files and text instructions will be uploaded and linked here to the hackaday.io page soon. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ I've posted a link for Ebay purchase referrals. If you use the link below then I get a small kickback from your purchase (it will cost you nothing, I just get paid for referring customers). https://ebay.to/2G1OY6v Special thanks to Eric Skiff for freely providing the music used in this video off his album Resistor Anthems. His music can be found at http://ericskiff.com/music/ Visit my site: www.diytronics.blogspot.com My RGB Gameboy Backlight Controller is now available at www.roarkesretrocorner.com!!! Use the code SJM (all caps) to receive 10% off of your order! ICStation Affiliate Link: http://www.icstation.com/index.php?aid=212 Code: sjmics Discount Amount: 15% off Max Use: 1 (one for per user) Amount Limit: 300 Consider supporting me on Patreon: www.patreon.com/sjm4306 ... https://www.youtube.com/watch?v=npxGtQep2KI

47th episode of TeardownTube with Shawn. Join me as I tear apart and comment on various devices for your entertainment. Subscribe, comment, and like if you want to see a different device dismantled every week. In this episode I attempt a repair of a partially bricked PSP 2000 whose power light turns on but has a blank screen. I go over possible causes for failure and assess the damage to the unit. Still a work in progress but I'll post updates as I get this sorted out. I've posted a link for Ebay purchase referrals. Full disclosure: I'm trying out something new, if you use the link below then I get a small kickback from your purchase (it will cost you nothing, I just get paid for referring customers). http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5575215675&toolid=10001&campid=5337943740&customid=&mpre=http%3A%2F%2Fwww.ebay.com%2F Visit my site: www.diytronics.blogspot.com Patreon: www.patreon.com/sjm4306 ... https://www.youtube.com/watch?v=ztIbxsPXzCo

It's time for another review! This time when Banggood asked me what I would like to review I thought it was finally time to see if the e-Design series of diminutive pocket oscilloscopes were really worth their pricetag. I choose the DS212 as it is a lower end model that still had 2 channels (the minimum of what I would consider useful). This guys boasts a 1MHz analog bandwidth with 8K sample depth. I will be honest, from what I've read in the past I had a limited expectation on whether this little scope would be able to deliver. Here's what I have found: Pros: - Super conveniently tiny, smaller than most smart phones/mp3 players - Having an isolated (from ground so long as it isn't plugged in to charge) scope has many safety benefits - Controls feel intuitive after spending a couple of minutes learning the menu system of the device - Build quality is great, anodized aluminum body feels premium - Quickly diagnose simple problems, measure characteristics of power supplies, check clock and data signals sub 1MHz - Can capture screenshots directly to internal memory and upload via usb - Simple function gen output for square/sine/triangle/sawtooth super useful - Built in tools for delta-t/v cursor measurements as well as rms, frequency, duty and math functions between channels - PCB and assembly quality is top class! - Ease of uploading/modifying firmware Cons: - Claims "Open" source but really just open firmware (as far as I know the schematics are not available) - A 2 channel scope that only comes with 1 probe and 1 clip lead? Why not two? - 40V max inputs with included 1x probe (a separate purchasable 10x probe would allow 400V measurements though) - Logic decoding functionality (UART, I2C) would've been really nice but hopefully due to the open software aspect someone makes this a reality - The longevity of the dual rotary encoders is questionable especially since just about every function requires heavy use of them - Not up to par for higher speed digital logic or analog video signals and the like - Doesn't automatically remember settings when switched off (unless you manually save them through the menu) So in summary, if you just want a convenient way to quickly check/capture something in the field with an isolated scope this guy is a godsend especially for the price of around $100. That being said if you are doing particularly heavy duty/fast stuff I would advise investing in a used analog scope which will be a better value for specs albeit will chain you to a desk. Either way this meter really surprised me and once you know it's limitations you start to see useful situations arise where it really shines. Here's to hoping users add even more useful features via firmware mods and updates! Get yours here: https://www.banggood.com/MINI-DS212-Digita ... https://www.youtube.com/watch?v=8P3Kue5Ue6g

To start off, thanks to the video sponsor: JLCPCB for sponsoring this project. JLCPCB Prototype for $2 (Any Color): https://jlcpcb.com/DYE​​ In this video we cut the cord ... to my new Atomstack laser engraver! I can already hear the cord aficionados grabbing their pitchforks but just hear me out. I like to run the laser outside where all the nasty fumes can dissipate instead of stinking up my house but the big problem is that means I either need a ridiculously long usb cable or just leave my laptop outside with the engraver, at the mercy of the elements. So I figured it would be nice to be able to run the engraver outside while having the host computer safely sitting by the window connected wirelessly. So let's take a look at the little pcb I've designed to enable this, how it's attached to the laser engraver mobo, along with the necessary software steps to get everything working. In the end we run a quick little test, demonstrating the now wire free laser engraver operating. PCB design files and some more info can be found here: TBD ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ I've posted a link for Ebay purchase referrals. If you use the link below then I get a small kickback from your purchase (it will cost you nothing, I just get paid for referring customers). https://ebay.us/J8FqJg Special thanks to Eric Skiff for freely providing the music used in this video off his album Resistor Anthems. His music can be found at http://ericskiff.com/music/ My RGB Gameboy Backlight Controller is now available at http://www.roarkesretrocorner.com!!! Use the code SJM (all caps) to receive 10% off of your order! ICStation Affiliate Link: http://www.icstation.com/index.php?aid=212 Code: sjmics Discount Amount: 15% off Max Use: 1 (one for per user) Amount Limit: 300 Consider supporting me on Patreon: http://www.patreon.com/sjm4306 ... https://www.youtube.com/watch?v=Vyt4vtrT-8s