2x70W amplifier STK4211V. rn
100W amplifier STK4044XI. rn
2X100W amplifier STK4231II rn
Five-point graphic equalizer BA3812L rn
The circuit is based on a 16F873A microcontroller PIC.
Based on the Countdown with LCD 2x16, we have made this variant of the countdown. The countdown circuit, or the backwards counting we shall describe, shows the visualisation of the backwards counting on four 7 segment displays.
Twilight switch with 12F629 microcontroller .
On-off push button with a 12F675 microcontroller.
On-off sequence of three relays with a push button, microcontroller PIC 12F675.
Current clamp with a microcontroller.
In-out thermometer with 16F873A microcontroller.
With the already known microcontroller PIC 16F873A and the integrated circuit DS1307 we have built this calendar clock.