Capacitor smoothing question

Author	Message
twofingers Guru Joined: 02/06/2014 Location: Germany Posts: 1752	Posted: 10:54pm 09 Mar 2025         lizby said   ... I've ordered a USB current tester with fan and adjustable current- ... Actually, you only need a Picomite, a logic-level N-MOSFET (like IRL540), a load resistor approx. 18 ohm/1W, 2 * 470k as a voltage divider, 1x 100k and 1x 100nF.