Voltage to Current Converter for LEDs (CB21623E)

This common transistor-based circuit provides power for 20 mA common white LEDs from a single 1.5 V battery.

| Clique na imagem para ampliar |

Simple Multimeter (CB16271E)
The assembly of a good multimeter meets only one obstacle: the precision that is obtained depends on...
Broadband amplifier (CB8402E)
This circuit that can amplify signals from 0 to 30 MHz was found in a 90s Popular Electronics....
Simple Sound Shield (CB19764E)
PWM signals can be used to produce sounds in a microcontroller. This circuit allows sounds to be...