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| (1) USB power to ItsyBitsy M4 + ESP32 Breakout | |
| typical output: | |
| Retrying ESP32 connection | |
| Error response to command | |
| ... | |
| Retrying ESP32 connection | |
| Timed out waiting for SPI char | |
| ... | |
| Can't find ESP32 | |
| ... | |
| Failed to connect, retrying | |
| Timed out waiting for SPI char | |
| ... | |
| Failed to connect, retrying | |
| Error response to command | |
| (2) USB power to ItsyBitsy M4; separate 5v power to ESP32 Breakout | |
| this works! |
Hey, did you ever find a fix for this? I ran into the same issue adafruit/Adafruit_CircuitPython_ESP32SPI#123
Hey, did you ever find a fix for this? I ran into the same issue adafruit/Adafruit_CircuitPython_ESP32SPI#123
I generally don't see this any more. I chalked it up mainly to to flaky connections and the assumption that the SPI communications will glitch now and then. I have several similar configs, all on solderless breadboards, running on my desk for many months:
• a number of Feather M4 + Airlift Featherwing (stacked)
• ItsyBitsy M4 + Airlift BitsyWing
• ItsyBitsy M4 + ESP32 Breakout (like the photos)
• Teensy 4.x + Airlift Breakout
• Teensy 4.0 with Feather adapter + Airlift FeatherWing
I've successfully tried many combinations of Adafruit MCU + Adafruit ESP32 variant, including TinyPICO as wi-fi co-processor, and even ESP32-S2 Feather + Airlift FeatherWing https://twitter.com/anecdat/status/1327472474624323585
Main differences to note since this initial testing a year and a half ago:
• triple-checking soldering and wiring when errors are frequent or persistent
• NINA firmware updated to at least 1.6.0 on all co-processors
• try/except in software on all NINA calls (this cures a world of ills)
• I try to avoid external USB hubs now, even powered hubs
Thanks for getting back to me so quickly :)
For me it's not flaky, it just never works. I might need to update the firmware on the AirLift then
Always supplying USB from computer USB3 port, no external hubs. Should allow 500mA. Feather M4 + Feather ESP32 combination seems to behave better. Changed config from photos to use ItsyBitsy M4 pin D7 instead of D5, but no change in behavior. ItsyBitsy M4 + Feather ESP32 has similar behavior to ItsyBitsy M4 + ESP32 Breakout. Yet to try: Feather M4 + ESP32 Breakout.