Dim display problem on large LED digital clock
visitors this year: 730 The digits at one end of a large LED clock displayed much more dimly than they ought. I’d say they were about half the brightness – and it was quite...
Tagged: voltage
capacitor charge and discharge
visitors this year: 58 Capacitor charge and discharge The voltage & current of a capacitor are measured as it charges and discharges. Sensors allow a graph to be plotted as this happens. The effect...
current and voltage
visitors this year: 74 Current-Voltage relationships In this experiment the resistance of a lamp, resistor or diode is measured as the current is varied. Voltage and current sensors make the measurements while the software...
