iFlash iPod SD vs. CF – Power Consumption Analysis

Something many people have been asking about, how does using SD cards instead of CF impact running times?? I have analysed the power consumption and battery life difference between SD and CF used with the iFlash on a 7g iPod Classic. Here are my findings……

Two Position RC Servo Controller

I built my own electronic locking system using an RC servo, the circuit is so simple I thought I would share it with others who may find as useful. It moves the servo between two programmed positions on the input of an external trigger voltage.