Does anyone else have similar experiences?
Does anyone else have similar experiences?
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Doodieb wrote:OK, here is some news for the ones struggling with stability, too. I am using an ESP-01 and it turns out that the design is not EMC tolerant at all. I could improve stability a lot by:
Adding decoupling capacitors to the power Inputs of the ESP-01
Shielding the whole unit with a small steel box and just leaving the Antenna outside the shield.
Adding a powerful (1.5A) 3V3 power supply
Adding a Level shifter to the RX Inputs so that it can accept 5V signals from an Arduino (even though you can find reports that the ESP-01 will still work with 5V on the RX pin, it causes instability).
Implementing a heartbeat into the protocoll, so that the ESP-01 reboots itself when the heartbeat goes missing.
With these measures I can get decent stability and only few heartbeat reboots.
Have fun!
Implementing a heartbeat into the protocoll
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