Username febb
Name Alex Feb
Member Since May 14, 2013

febb's Public Circuits:

Now showing circuits 1-20 of 118. Sort by

Simple regulated USB LED light

Simple regulated USB LED light PUBLIC

Simple regulated switch mode boost USB LED light

by febb | updated May 06, 2021

USB LED Light Driver

USB LED Light Driver PUBLIC

by febb | updated May 04, 2021

Current overload protection

Current overload protection PUBLIC

by febb | updated May 04, 2021

Async Fan Motor

Async Fan Motor PUBLIC

Simple capacitor can boost async AC motor speed and power. RC snabber is also cool for inductive load and relays!

by febb | updated April 28, 2021

Simple LED FlashLight driver

Simple LED FlashLight driver PUBLIC

Amazing simple and effective!

by febb | updated April 28, 2021

12V LED Light with OP AMP

12V LED Light with OP AMP PUBLIC

by febb | updated April 28, 2021

Power Outage LED Light - 2

Power Outage LED Light - 2 PUBLIC

by febb | updated April 20, 2021

Power Outage Light

Power Outage Light PUBLIC

by febb | updated March 06, 2021

Regulated LED light

Regulated LED light PUBLIC

Use TNY2XX chip in simple regulated LED lamp

by febb | updated February 25, 2021

Regulated LED light, no feedback

Regulated LED light, no feedback PUBLIC

by febb | updated February 19, 2021

Voltage  Indicator

Voltage Indicator PUBLIC

by febb | updated December 20, 2020

LED Lamp charger

LED Lamp charger PUBLIC

by febb | updated October 31, 2020

Safe 3A USB car charger

Safe 3A USB car charger PUBLIC

by febb | updated October 14, 2020

34063 booster current control USB light

34063 booster current control USB light PUBLIC

by febb | updated October 13, 2020

LED night light

LED night light PUBLIC

by febb | updated June 02, 2020

Heater Safety

Heater Safety PUBLIC

by febb | updated May 09, 2020

USB Light Test

USB Light Test PUBLIC

by febb | updated December 30, 2019

Clock LED Backup

Clock LED Backup PUBLIC

NiMH battery backup for LEDs and wall clock

by febb | updated December 16, 2019

1.5V Power supply for clock

1.5V Power supply for clock PUBLIC

1.5V Power supply for clock with 30 min backup capacitors.

by febb | updated November 23, 2019

Optocoupler oscillator - tester

Optocoupler oscillator - tester PUBLIC

Simple Optocoupler oscillator - tester

by febb | updated October 27, 2019