Which regulator to use from 12v to 4.2/2.5A and to 3.3V - Electrical Engineering Stack Exchange
12v Battery Charger Circuit Diagram using LM317 (12V Power Supply)
Powering arduino and accessory with a single battery? - Project Guidance - Arduino Forum
Powering Something That Requires a Higher Voltage Than Your Battery Can Supply: THE 2016 SUPER NOOB FRIENDLY WAY : 4 Steps - Instructables
On the schematics of the Arduino Mega 2560 there are two low drop regulators in the section of the ATmega2560, one is the LP2985 and the other is the LD1117, why do
12v to 5 & 3.3 v Regulator Issue for Arduino and ESP8266 - General Electronics - Arduino Forum
Quad Output SMT PSU with LD1117 V33 7805 and LM317 Self Build Kit
Adafruit Linear Voltage Regulator – LD1117 3.3 V 800mA 3.3 TO-220 by Adafruit: Amazon.de: Computer & Accessories