TS-100 Soldering Iron USB C PD Mod – 20V via internal adapter

Used DIY ultrasonic cutter to remove the excess plastic

The USB C PD adapter is called “ZYPDS” by YZXStudio you want the smallest model from here:   The module is lowest cost from this Ebay seller: https://www.ebay.com/itm/Type-C-USB-C-PD2-0-3-0-to-DC-USB-fast-charge-trigger-Poll-detector-9v-12v-15v-20/233102637939 But can also be purchased at these other sites: https://www.aliexpress.com/item/Freeshipping-ZY12PDS-Type-C-USB-C-PD2-0-3-0-Turn-DC-USB-Deception-Fast-Charging/32972893908.html OR https://www.aliexpress.com/item/Type-C-USB-C-PD2-0-3-0-TO-DC-USB-decoy-fast-charge-trigger-Poll/32969919810.html OR https://www.ebay.com/itm/Super-Mini-ZYPDS-DC-mini-20V-trigger-support-millet-65W-PD-power-supply-/132714794782

Gerber PCB File Merge Multiple File Items Together Using Text Editor – KiCad

First set the data you want to append to an unused layer in KiCad so it is easy to tell apart. Then export with the “Plot” function and open both gerber files. Copy the data area shown in the below image into the file you want as the master. The aperture will most likely conflict… Continue reading Gerber PCB File Merge Multiple File Items Together Using Text Editor – KiCad

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Which is the fastest Arduino – ESP32, ESP8266, Arduino Uno, Arduino 101 +Others Speed Test Comparison Chart

This started because I was interested in how the new ESP32 compared against other common Arduino compatible development boards. Source code Arduino sketch on Github  The source code is based on this post   Direct link to Google Docs Spreadsheet  – same as embedded above – feel free to make a copy of the spreadsheet and link it below… Continue reading Which is the fastest Arduino – ESP32, ESP8266, Arduino Uno, Arduino 101 +Others Speed Test Comparison Chart

SSD1306 64×32 Pixel .49″ OLED ER-OLED0.49-1W

I have modified the Adafruit SSD1306 library to work with the smaller 64×32 OLED Displays that can be purchased here and from various other online suppliers. https://github.com/WaiakeaRobotics/Adafruit_SSD1306 PDF showing proper wiring for OLED Notes (In Chinese – use google translate) from another on modifying the UCGLIB library for this display  

Laser cutter stepper motor driver upgrade

It was definitely time to clean up the wiring inside this laser cutter.. Something that was lashed together as quickly as possible and now has some wiring issue somewhere, best replaced with newer tech. Original double sided hand taped and etched PCBs made in 2004 for my CNC mill project – partly still working 2016

KiCad Libraries

https://github.com/metacollin/kicad-gigalib   Integrating FreeRouter with KiCad   Newer branch of freerouter

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ZVS Induction Heater – Original

For now this is just a collection of some links and notes.. I have built in the past and plan to rebuild in the future a large multi KW induction heater, but alas too many project syndrome. Build your own: https://markobakula.wordpress.com/power-electronics/500w-royer-induction-heater/ Or buy for $8.55: http://www.banggood.com/5V-12V-ZVS-Induction-Heating-Power-Supply-Module-With-Coil-p-1015637.html