[Kevin Darrah] wanted to make a simple 3.3V regulator without using an integrated circuit. He wound up using two common NPN transistors and 4 1K resistors. The circuit isn’t going to beat out… ...

Continue reading “Circuit Challenge: Two Transistor 3.3V Regulator” → Posted in Misc Hacks Tagged 3.3v , 3.3V regulator , regulator , transistor , zener diode A Diode By Any Other Name ...

Most of today’s microcontrollers are powered with a DC voltage of 3.3V or less. Batteries are involved for low-power embedded systems that have intermittent uses. For permanent usage, designs usually ...