Tuesday, January 22, 2019

Multimeter measurement of resistance

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How does a multimeter measure resistance?  A lot of online answers suggest that a constant current stimulus is used.  I looked into it and f...
Friday, January 18, 2019

Aukey Dash Cam GPS Antenna

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The GPS antenna ($20) has 4-conductor 3.5mm plug that goes into the Aukey Dash Cam for location information to be included in the recorded v...
Sunday, December 30, 2018

0.96" I2C 128X64 Blue OLED Display Module

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I ordered a 0.96" I2C 128X64 Blue OLED Display Module from eBay for $2.85 (shipping included).   It claims: voltage 3-5V,  power consum...
2 comments:
Tuesday, December 4, 2018

LCR-T4 Transistor Tester Display Upgrade

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I ended up with a   transistor tester lcr t4  with a damaged LCD display.  We'll try to replace the display with a 1.8" 128x1...
3 comments:
Sunday, November 4, 2018

Transistor Tester LCR-T4

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The tester was originated  here , and continued  here .  I got a version of the tester, LCR-T4 for $6.39.  It was reviewed by Dave of EEVblo...
3 comments:
Friday, August 31, 2018

New life on an old computer with Tinker Board

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In 2003, I bought an HP/Compaq Presario 2100 laptop, not the best purchase that I made.  In this days of age, it is just not very useful eve...
Sunday, August 19, 2018

TI Simplelink BLE

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Here we try out TI SimpleLink Bluetooth Low Energy (BLE) CC2650MODA+MSP432P401R Launchpad bundle ($35).  MSP432P401R comes with an out-of-bo...