What’s inside a garden hose water timer unit
Full teardown and analysis of the electronics, mechanics and hydraulics of a garden hose water timer device.
Update: cheap 5v boost converter performance
Some interesting test results on the 5V DC/DC boost converter which cost just 55p ($0.77).
Ebay cheap cheerful: #3 – dc/dc boost module 5v out
For just 55p, this DC/DC boost converter with a 5V output is good value. It produces enough output power to…