Recent posts

App note: 16-Bit multiplication and addition by using the Math accelerator peripheral on PIC16(L)F161X

16-Bit multiplication and addition by using the Math accelerator peripheral on PIC16(L)F161X (PDF!) application note from Microchip: Several products in the PIC® device family have a Math Accelerator module to do a 16-bit multiplication and...
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SoHa SMART first logo PCB design & manufacture

‏ @josephpcrabtree tweeted, “New learn-to-solder badges for @SoHaSMARTMaker. PCBs from @dangerousproto DirtyPCBs” This is a big day for any maker space when you learn to design and manufacture your own PCB. We are very proud of our...
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Free PCB coupon via Facebook to 2 random commenters

Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters.  The coupon code usually go to Facebook ‘Other’ Messages Folder .  More...
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An almost reliable, high precision, 3D printer: Son of MegaMax (SoM)

Mark Rehorst wrote this instructable detailing the build of his 3D printer – Son of MegaMax (SoM): I built my first 3D printer, MegaMax, using surplus machine parts over a period of about 2 years. I built it myself because when I started...
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6 Volt 5 Watt solar charge controller

Steve made this 6 volt 5 watt solar charge controller project, that is available at Github: Here is a 6 volt 5 watt solar charge controller project using a dedicated printed circuit board from dirtypcbs.com and an Arduino pro-mini. The board...
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ESP8266 + DS18B20 Temperature sensor sends data to Thingspeak.com

Mohamed Afzal has written an article detailing how to send data to Thingspeak.com with ESP8266 + DS18B20 temperature sensor: The stock Firmware in the ESP8266 supports AT commands and for communicating with this need an micro-controller like...
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Double RC servo tester with OLED display

Dan blogged about his Servo tester with OLED display project: The problem is simple: I need to have a reliable and easy to use servo tester, that I can use to test/play with a standard RC servo or ESC or anything else that uses the same control...
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Shapeoko2 CNC Mill build log & review

Jeremy Blum’s review and build-log of the Shapeoko2: I bet you thought that I only had room in my heart for one at-home manufacturing technology! 3D Printing is still my first true manufacturing love, but I’m very excited to share that...
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#FreePCB via Twitter to 2 random RTs

Every Tuesday we give away two coupons for the free PCB drawer via Twitter. This post was announced on Twitter, and in 24 hours we’ll send coupon codes to two random retweeters. Don’t forget there’s free PCBs three times a every...
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Developing a parallel detector for the Open Source CT 2

Peter of TricorderProject writes: I’ve been thinking about tomographic imaging a lot lately in between nursing sore fingers from learning how to hand-wind electromagnetic coils for my attempt at a small prepolarized coded-field MRI, and I...
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