Investigation: are log potentiometers really logarithmic?
Wikipedia says that modern (cheap) log potentiometers aren't actually logarithmic at all, but constructed with separate sections of fixed resistance…
First look: apa102 rgb pixel addressable led #2
Part2 of my first look at the APA102 RGB pixel addressable LED
First look: apa102 rgb pixel addressable led #1
Part1 of my first look at the APA102 pixel addressable LED
Review/teardown: aukey lt-t1 led dimmable folding desk lamp
A review and teardown of the Aukey LT-T1 LED desk lamp. Has adjustable colour temperature from warm white to cool…
1-day project: mpr121 capacitive touch sensor music organ
Using the MPR121 capacitive touch sensor module to make a simple musical instrument New MPR121 Breakout V12 Capacitive Touch Sensor…
Review/teardown: thrunite tn4a torch flashlight
A quick look at the ThruNite TN4A torch complete with teardown
Postbag: #38 – mpr121 touch sensor, 3.3v/5v level converters
A selection of parts from my favourite eBay seller: ETI Vocoder constructional project reproduced with permission from Wimborne Publishing Ltd.…
Review/teardown: thorfire g1 rgbw colour change led light bulb
Review and teardown of the ThorFire G1 Color Changing LED Light Bulb RGB E27 6W(50W) Touch Remote Control Combo http://www.amazon.com/dp/B00JFV1K3G/ref=cm_sw_r_tw_dp_0wievb1YEJFZ5
Teardown: mini laser party disco light
Teardown of a laser lighting effects unit with some rather old-school electronics inside.
Playing with: lithium lipo life battery checkers
Built a small test rig to check out a few different LiPo voltage checkers. 1-8S Lipo/Li-ion/Fe Battery Voltage 2IN1 Tester…