Posted in Arduino Hacks, Tool Hacks Tagged arduino nano, diy oscilloscope, dso, frequency counter, signal generator ...

Posted in classic hacks Tagged firmware, frequency counter, photo tachometer, phototachometer, pic, PIC16F628, tachometer ← 3D Printing A Lifting Body Aircraft ...

Figure 2 shows the detailed design of the frequency counter. Comparing this schematic to the previous GPSDO schematic, you can see the changes. Along with the removal of the VCXO circuitry, you will ...

Figure 1 shows the electrical circuit of the frequency divider. The input circuit contains a frequency multiplier made on two elements of the U1 CD4070 XOR chip. The doubled frequency signal enters ...