0-5V or 0-12V digital input to 3.3V logic levels
Logic level converter Circuit - 5v to 3.3v and Vice versa - Gadgetronicx
10-30v to 3.3v Level Shifting - Electrical Engineering Stack Exchange
level shifter 12V -> 3.3V - CircuitLab
Zener level-shifter drives high-side switch - EDN
Amazon.com: IS Voltage Level Translator, Icstation 4 Channel Voltage Level Converter Opto Isolator Board PNP NPN PLC Signal Converter Module 12V to 3.3V : Industrial & Scientific
esp8266 - Logic Level Shifter 24/12 V to 3.3 V - Electrical Engineering Stack Exchange
2-Channel Level Converter (12V to 3.3V) - DFRobot | Mouser
DF Robot 12 - 3.3V Level Converter - 4 Channel - Micro Robotics
Test 5v-12v level shifter | Details | Hackaday.io
4Bit Optocoupler Isolator 12V to 3.3V Level Voltage Converter Board PLC Signal - Converter Module - Arduino, Robotics, Raspberry Pi, ESP8266, Learning DIY, Development board ICStation
UCC5390: No output showing - Power management forum - Power management - TI E2E support forums
4ch 3.3V 5V 12V Digital logic level conversion module in PNP/NPN out – Many Favours
12 to 3.3V 2-Channel Level Converter / Shifter - DFRobot
12 to 3.3V 2-Channel Level Converter / Shifter Wiki - DFRobot
12 to 3.3V 2-Channel Level Converter / Shifter - DFRobot
12V to 3.3V 2-Channel Optocoupler Isolator Photoelectric Isolation Module Level Voltage Converter 2Bit NPN Output PLC Signal Converter
schematics - Design Review: 3.3V Logic to 12V Logic (Uni-directional and Bi-directional) - Electrical Engineering Stack Exchange
Level Shifting Digital Logic Signals
How to Make a Level Shifter for Arduino Uno | Beginners Guide - OKdo
2-Channel Level Converter (12V to 3.3V)
How to make 12V to 3.3V converter | circuit schematic - YouTube
