Jyetech DSO

www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1248812473 about 8µs for: while(1) { digitalWrite(13,HIGH); digitalWrite(13,LOW); } Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.

The scope was behaving strangely, so I replaced the cpu. I removed the old one with ChipQuik and kept it for future projects. Maybe it is not entirely bad, but only can't handle being overclocked to 20MHz. I marked it with an X. Let's see if it did any good. Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.

Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.

Make sure D1/D7 are placed correctly. The opamps will survive the reversed zener diode (D1), but the other one (D7) is used for a boost converter which DIES if it is put in wrong. Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.

The ATmega64 + quartz + load capacitors are presoldered and flashed with the current firmware. Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.

Some parts were extremely small, I guess 402 components. Soldering was challenging and my tweezers were almost too large and my left hand was shaking too much. Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.

Please note that a new hardware version of this device has been released, therefore these images will most likely not apply to it.