viperman_69
Member
TTL voltage levels ? .... what is TTL ?I think it is a digital signal on pin 4, as in high or low, and probably at TTL voltage levels.
Note: The words "I think" mean that I am not certain!
TTL voltage levels ? .... what is TTL ?I think it is a digital signal on pin 4, as in high or low, and probably at TTL voltage levels.
Note: The words "I think" mean that I am not certain!
You are correct, I’m not certain eitherI think it is a digital signal on pin 4, as in high or low, and probably at TTL voltage levels.
Note: The words "I think" mean that I am not certain!
It uses ID pin, i've checked my 3wire kit now (i think in the EGS's image the pins order is swapped). And i'm about to wire that thing (finally!) to oscilloscope to check other stuff.with the price of the kit being under $20, I am sure its analog. I am almost positive it just turns one of the signal wires on or off that goes to the cam.... I will find out.....
It uses ID pin, i've checked my 3wire kit now (i think in the EGS's image the pins order is swapped). And i'm about to wire that thing (finally!) to oscilloscope to check other stuff.
EDIT: Nope, EGS’s image is correct, they looked like male and female to me at first glance.
What cutoff voltage is it set to, and what is the battery voltage when it shuts down?I’m now finding that despite leaving the switch on permanently, the hardwire kit is shutting down soon after I switch the ignition off,
If you wire it up normally, then you can choose to turn the camera off when parked by long pressing the power/menu button, it should automatically restart when you restart the engine.Is there a way of making this hardwire kit & cams work for me?
Despite the vehicle always at 16.7V min & during testing earlier today measuring 17.5-18.25V,
I did a full re-charge of the car battery with my CTek charger the other day
faulty multimeter maybeWhy is the output voltage so high?
Here you go:
View attachment 51241
Link to schematic for editing
I had to use the capacitor because my powerbank is hidden under the passenger seat and the cables are not the thickest - without it the camera would power down during switchover from car to powerbank power due to a short drop in voltage.
This is a problem because when the camera comes up again with powerbank power it does not switch into parking mode, as mentioned it seems that it first needs to "see" a non GND signal on the ID pin to "understand" that it's connected to a hardwire-kit/this circuit.
I used the LM2596 DC-DC buck converter:
View attachment 51238
USB pinout:
View attachment 51240
Btw: Car and Powerbank share a common ground.