Hi,
I have a Teensy project that has been working really well since I finished it in 2018. Recently I am having some issues with it and I am having a really hard time diagnosing the issue.
This project uses 2 Teensy 3.6 microcontrollers. One of them is connected to around 13 analog sensors, and their readings need to be consistent, and mostly this has been fine till recently. Now, some of the sensors are a little off every time I turn on my device. Each analog sensor is connected to 3.3 volts for power, ground (both from the teensy) and connected to an Analog input on the Teensy. if I barely touch the 3.3v wire it changes the readings of one of the analog sensors. I have a feeling there might be a loose connection somewhere, but I have unsoldered and resoldered as many connections as I can and the problem persists.
Is there a way to put a capacitor connected to the 3.3V wire? And if so, should the other side of the capacitor be connected to the ground wire? What size capacitor should I use? Or are there any other suggestions to resolve this?
I know I could take the whole thing apart and start over, maybe can a newer Teensy, but that would be a lot of work.
Thank You.
Nick
I have a Teensy project that has been working really well since I finished it in 2018. Recently I am having some issues with it and I am having a really hard time diagnosing the issue.
This project uses 2 Teensy 3.6 microcontrollers. One of them is connected to around 13 analog sensors, and their readings need to be consistent, and mostly this has been fine till recently. Now, some of the sensors are a little off every time I turn on my device. Each analog sensor is connected to 3.3 volts for power, ground (both from the teensy) and connected to an Analog input on the Teensy. if I barely touch the 3.3v wire it changes the readings of one of the analog sensors. I have a feeling there might be a loose connection somewhere, but I have unsoldered and resoldered as many connections as I can and the problem persists.
Is there a way to put a capacitor connected to the 3.3V wire? And if so, should the other side of the capacitor be connected to the ground wire? What size capacitor should I use? Or are there any other suggestions to resolve this?
I know I could take the whole thing apart and start over, maybe can a newer Teensy, but that would be a lot of work.
Thank You.
Nick