Arduino nano tutorial – breakout board with 2a smps #2
The Nano breakout board with 2A switched mode 5V regulator is a neat little device, but it has been giving…
Arduino nano tutorial – breakout board with 2a smps #1
One thing the Arduino Nano lacks is a 2.1mm power socket for supply voltages higher than 5v. The standard Nano…
Pir led sensor light with li-po battery – it’s incendiary!
I both love and hate this PIR LED Sensor light! It must be the ugliest electronic device I've ever bought,…
New tp4056 lithium cell charger module with battery protection
This is another single cell lithium charger module, but with battery protection components on board and a micro USB connector.…
12v solar power system – testing the batteries
A quick check of some of the batteries in my solar power station. First a test with a Sealey BT102…
Review: 1w 350ma led driver with the elusive 6200 chip
This is a 350mA LED driver module kindly provided for review by icstation.com. Seems like a competent performer. For a…
Arduino c mystery – integer constants and 6-bit numbers
My inexperience with C led me to mix my data types and spend several hours baffled by the result! MAX7219…