Buck converter efficiency testing
Testing the efficiency of the buck converter at different step down ratios. Muppet 2 project.
Update: charsoon smart battery battgo 1300/1500mah
More on the user settable parameters of the Charsoon 1300mAh and 1500mAh smart batteries. Checking the battery for heat with…
First look: charsoon smart battery battgo 1300/1500mah
A first look at what happens when you connect a BattGo smart battery to a compatible charger. Product Links: Charsoon…
9v battery capacity and internal resistance checks
I've been having some problems running my Arduino-INA219-OLED Wattmeters from zinc carbon 9v batteries. So I thought I'd check the…
Roasting regulators and arduino anomalies
There are a myriad different regulators on Arduino Pro Minis - watch out, they have different current ratings. Adafruit's INA219…
Z80 led matrix message display
A nostalgic look at my Z80-based LED message display from the 90s More details about this project in Brett's video:…