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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 […]

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted on: 2018-10-102018-10-10
Desk Organization / Mess :)

Desk Organization / Mess :)

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted on: 2016-09-022016-12-15

KiCad Libraries

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

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

Thingspeak Graphs – Beta

UncategorizedPosted 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 […]

UncategorizedPosted 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 […]

UncategorizedPosted on: 2015-12-132015-12-22

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