This is simple circuit that illustrates the function ... current” (about 100uA in this case), and the transistor resets itself. When the transistor triggers, it dumps capacitor C1 across the LED. Peak ...

This simple Mock Flasher LED simulates the indicator of a sophisticated Alarm system. It can be placed in doors, gates and vehicles to confuse intruders. The circuit is too simple using a Unijunction ...

[Eric] uses the oscillator to build a simple LED blinker and shows what happens when he changes the transistor and adjusts the voltage or resistance. He also shows the circuit as a tone generator ...

Seen in the accompanying schematic, the 555 square wave generator drives an MPF102 FET, which in turn drives a D718 power transistor that provides a “pulsed” 12V variable duty cycle driving the LED ...

If there is an incandescent bulb somewhere in the circuit that you are trying to flash, a standard flasher unit may work on rare occasions. The fix for this problem is installing a "no load" LED ...

Note, there is a flasher version ... This is the basic idea of the circuit My cunning idea (now proved to be not-so-cunning) was to have constant current supply to a capacitor and load it with an ...

Since then, designers have grown to appreciate the LED, not for what it’s not (an ... by inserting them into a single printed electronic circuit board. At first blush, the Milan-based designer ...

MANCHESTER, England, March 21, 2025 /PRNewswire/ -- Smartkem (NASDAQ: SMTK), which is seeking to change the world of electronics with a new class of transistor technology, announced that today ...

With cycling safety in mind, I bought a pair of low power red LED things that replace ... What I came up with, is the circuit above. The idea is that the constant current source – a traditional two ...