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Hilo90mhz

Electronics and other complex systems of interest to Chester Lowrey

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

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

The USB C PD adapter is called “ZYPDS” by YZXStudio you want the smallest model from here:   The module […]

Electronics , Repair , Teardown , ToolsPosted on: 2019-05-152019-07-19
Gerber PCB File Merge Multiple File Items Together Using Text Editor – KiCad

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 […]

CAD , KiCadPosted on: 2018-10-112018-10-11
KiCad Vector Graphics Importing PNG Files

KiCad Vector Graphics Importing PNG Files

This is just my collection of quick steps – so I will have something to go off next time after […]

Electronics , KiCadPosted on: 2018-10-102018-10-10
Desk Organization / Mess :)

Desk Organization / Mess :)

Electronics , ToolsPosted on: 2018-08-132018-08-13
Which is the fastest Arduino – ESP32, ESP8266, Arduino Uno, Arduino 101 +Others Speed Test Comparison Chart

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 , ESP32 , ESP8266Posted on: 2016-12-012017-12-27
SSD1306 64×32 Pixel .49″ OLED ER-OLED0.49-1W

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 […]

Arduino , ElectronicsPosted on: 2016-10-102016-12-17
Plastic Case 85x58x33mm KH-F19 Dimensions

Plastic Case 85x58x33mm KH-F19 Dimensions

These 85x58x33mm cases can be inexpensively sourced from many locations. However I could find no data on the hole layout […]

Electronics , Power Monitor , Power MonitoringPosted on: 2016-10-062016-12-01
Testing ST7735 128*160 SPI TFT Display

Testing ST7735 128*160 SPI TFT Display

I’d say it works well 🙂 very happy, using the ucglib graphics library. It has advantages compared to the adafruit […]

Electronics , Power MonitoringPosted on: 2016-10-042016-10-04
Testing Current Transformers

Testing Current Transformers

V1 120.55 V1 avg 120.51 CT1 A 3.72 CT1 VA 448.61 CT1 W 357.18 avg 343.68 CT2 A 3.68 CT2 […]

Energy , ESP8266 , Power MonitoringPosted on: 2016-10-022016-10-03
Laser cutter stepper motor driver upgrade

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 […]

Electronics , Laser Cutter , ToolsPosted on: 2016-09-082016-09-08
ESP8266 Battery Voltage Monitor Simple

ESP8266 Battery Voltage Monitor Simple

Real time graph – Warning may appear to freeze your browser as it downloads data points from Thingspeak – assuming […]

Electronics , ESP8266Posted on: 2016-09-022016-12-15

KiCad Libraries

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

KiCadPosted on: 2016-08-252016-08-26
Thingspeak Graphs – Beta

Thingspeak Graphs – Beta

ESP8266 , ThingspeakPosted on: 2016-08-092016-12-05
ZVS Induction Heater – Original

ZVS Induction Heater – Original

For now this is just a collection of some links and notes.. I have built in the past and plan […]

Electronics , Induction HeatingPosted on: 2016-01-222016-09-27
DC Power Meter 100A 100V Teardown

DC Power Meter 100A 100V Teardown

I wanted to see if it was possible to modify this dual meter to accept a different shunt mv rating […]

Electronics , EnergyPosted on: 2015-12-132015-12-22

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