Monthly Archives: March, 2017 Challenge: Can you figure out how this single part boost converter works? March 22, 2017 Blinking Blue- Powering a 3.7 volt LED from a 2.4 volt coin cell with a $0.02 charge pump March 20, 2017 Capacitive Coupling Casestudy: Programming The Public Radio without removing it from its sealed shipping box March 18, 2017