febb's Profile

Simple regulated USB LED light PUBLIC

Simple regulated switch mode boost USB LED light

by febb | updated May 06, 2021

USB LED Light Driver PUBLIC

by febb | updated May 04, 2021

Current overload protection PUBLIC

by febb | updated May 04, 2021

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 PUBLIC

Amazing simple and effective!

by febb | updated April 28, 2021

12V LED Light with OP AMP PUBLIC

by febb | updated April 28, 2021

Power Outage LED Light - 2 PUBLIC

by febb | updated April 20, 2021

Power Outage Light PUBLIC

by febb | updated March 06, 2021

Regulated LED light PUBLIC

Use TNY2XX chip in simple regulated LED lamp

by febb | updated February 25, 2021

Regulated LED light, no feedback PUBLIC

by febb | updated February 19, 2021

Voltage Indicator PUBLIC

by febb | updated December 20, 2020

LED Lamp charger PUBLIC

by febb | updated October 31, 2020

Safe 3A USB car charger PUBLIC

by febb | updated October 14, 2020

34063 booster current control USB light PUBLIC

by febb | updated October 13, 2020

LED night light PUBLIC

by febb | updated June 02, 2020

Heater Safety PUBLIC

by febb | updated May 09, 2020

USB Light Test PUBLIC

by febb | updated December 30, 2019

Clock LED Backup PUBLIC

NiMH battery backup for LEDs and wall clock

by febb | updated December 16, 2019

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 PUBLIC

Simple Optocoupler oscillator - tester

by febb | updated October 27, 2019