Precision current source with TL431. - Multisim Live
How to build 3.6 Volt cell phone battery meter - circuit diagram
TL431A Adjustable Zener – NomadTronics
Battery discharge indicator on TL431. What is the battery discharge indicator for?
Auto cut off 3.7 volt battery charger circuit | TL431 | IRF3205 | Simple Electronics Project - YouTube
Simple Threshold Switch For An LED Indicator
TL431 & Li-Ion Battery - Codrey Electronics
12 volt Low Battery Indicator
Low Battery Indicator
Low Battery Warning Indicator - Blog - Open Source Hardware - element14 Community
Low battery indicator circuits | Page 4 | Headphone Reviews and Discussion - Head-Fi.org
Uh-Oh Battery Level Indicator Hookup Guide - learn.sparkfun.com
Low Voltage Warning Devices
GitHub - sparkfun/Uh-Oh_Battery_Indicator: Kit that turns on an LED when voltage drops below a settable threshold. Available from SparkFun Electronics.
Li-ion Battery Charger with TL431
TL431 circuit Adjustable Shunt (zener) Regulator | ElecCircuit.com
Simple Circuit using LED to alert low voltage - But I need lower threshold | All About Circuits
low battery indicator circuit
Ode To The TL431, And A LiFePO4 Battery Charger | Hackaday
Uh-Oh Battery Level Indicator Hookup Guide - learn.sparkfun.com
Lipoly Low Battery Indicator | Battery indicator, Electronics mini projects, Low battery
Workbench Li-ion Battery Charger
batteries - TL431 low battery cut-off - Electrical Engineering Stack Exchange
