- Joined Jan 6, 2018
Is my 59 to 00 counters for a clock connected without anomalies. I am concerned about timing and rising or falling logic levels causing the count not to be 60 changes per minute or seconds. I attached a pdf scanned file of the schematic I made on paper. I use an OR gate, 2*cd4510, AND gates and Inverters and a power supply of about 7 volts from an AC adapter with switchable voltages (3V-12V). I don't have an oscilloscope and don't think I know how to use one for checking the clock compared to outputs states. Upon observation, with 4 leds connected to outputs of both cd4510 with 1Kohm resistors, it looks fine but I doubt my abilities. Can those outputs only handle 3mA.
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