Ni-Cd and Li-ion Battery charger Generic August 8, 2010 by dapj · Published August 8, 2010 · Last modified October 2, 2022
Build Electronic Circuits Like a Pro September 19, 2013 by dapj · Published September 19, 2013 · Last modified November 20, 2019
Amateur Radio and Calculators for Electronics June 11, 2011 by dapj · Published June 11, 2011 · Last modified October 27, 2019