Month: July 2015

A try at a Hammond XB2 repair

Matevž brought me a new organ to try to repair – Hammond XB2 🙂 It was lent to him by the original owner to decide whether to buy it or not. Here is a sample of how it sounded (not

Simplest battery / power indicator circuit

So we usually want to have a battery indicator circuit in many of our devices. The indicator warns us if we have left the device powered and also indicates if the device battery is reaching its end of life. The

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