Hi All,
Mistakes, we all make them. But we also learn from our mistakes.
I think I might have fried/destroyed/killed my first Teensy today, so sad
- Wouldn't it be nice if we could learn from each others mistakes?
- Would it be an idea to have a central thread of how you damage, kill or destroy a Teensy
- Would it be valuable to post your mistakes for others to learn from, and the other way around, learn from others mistakes ?
I think so.
So I'll start off with my first fried Teensy.
This is what I think happened...
The board I destroyed: Teensy 4.1
How did I destroy it: By connecting V+ of a DS18B20 with resistor to Vin on the Teensy
I was trying a DS18B20 temperature sensor wired up like below, with a 4.7K resistor between V+ and the signal wire.
First I had the V+ on the 3.3V pin and I couldn't read the sensor.
So I thought, lets see what the sensor does when I feed it 5V from the Vin pin.
As I understand the Vin pin is at 5V when connected to USB, so I put the V+ of the sensor to Vin.
Overlooking that the V+ was bridged to the signal pin via the resistor. So I actually put 5V on an input pin this way?
(Teensy 4.1 pins are noy 5V tolerant)
Is my assumption correct or is there hope?
Mistakes, we all make them. But we also learn from our mistakes.
I think I might have fried/destroyed/killed my first Teensy today, so sad
- Wouldn't it be nice if we could learn from each others mistakes?
- Would it be an idea to have a central thread of how you damage, kill or destroy a Teensy
- Would it be valuable to post your mistakes for others to learn from, and the other way around, learn from others mistakes ?
I think so.
So I'll start off with my first fried Teensy.
This is what I think happened...
The board I destroyed: Teensy 4.1
How did I destroy it: By connecting V+ of a DS18B20 with resistor to Vin on the Teensy
I was trying a DS18B20 temperature sensor wired up like below, with a 4.7K resistor between V+ and the signal wire.
First I had the V+ on the 3.3V pin and I couldn't read the sensor.
So I thought, lets see what the sensor does when I feed it 5V from the Vin pin.
As I understand the Vin pin is at 5V when connected to USB, so I put the V+ of the sensor to Vin.
Overlooking that the V+ was bridged to the signal pin via the resistor. So I actually put 5V on an input pin this way?
(Teensy 4.1 pins are noy 5V tolerant)
Is my assumption correct or is there hope?
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