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import board
import displayio
from vectorio import Rectangle, Circle, Polygon, VectorShape
import time
import random
import gc

# Make the display context
SPLASHMAX = 2000
splash = displayio.Group(max_size=SPLASHMAX)

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# variation on https://github.com/gmeader/pyportal/blob/master/bug_demo.py

import adafruit_sdcard
import busio
import digitalio
import board
import storage
import os

# Connect to the card and mount the filesystem.

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import time
import board
import adafruit_lps35hw
import adafruit_dps310
import adafruit_shtc3


"""
run, then ^C^D or re-save file to CIRCUITPY, 
and line 42 (`sht =`) will fail:

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# ESP32S2 pins:
# strapping pins*
#
#  0* wpu
#  2  amber LED on Cucumber
#  8  antitipated I2C SDA on production UMFeatherS2
#  9  antitipated I2C SCL on production UMFeatherS2
# 13  blue LED on UMFeatherS2
# 14  LED on Bast
# 15  I2C SDA on Bast

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if 'ESP32S2' in os.uname().machine:
    print("MAC", ":".join('%x' % x for x in wifi.radio.mac_address))

    # don't proceed w/o any Wi-Fi APs
    print("Scanning WiFi...")
    while True:
        try:
            for network in wifi.radio.start_scanning_networks():
                print("{0:02X}:{1:02X}:{2:02X}:{3:02X}:{4:02X}:{5:02X}".format(*network.bssid), 
                                                                               network.channel, 

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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
...

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import wifi
import socketpool
import struct
import time
import sys
from secrets import secrets

NTP_TO_UNIX_EPOCH = 2208988800  # 1970-01-01 00:00:00

packet = bytearray(48)

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# server code:
# https://github.com/adafruit/circuitpython/blob/main/tests/circuitpython-manual/socketpool/client/host-server.py

import board
from digitalio import DigitalInOut
from adafruit_esp32spi import adafruit_esp32spi
import adafruit_esp32spi.adafruit_esp32spi_socket as socket
import adafruit_requests as requests
from secrets import secrets

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re: https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI/issues/11#issuecomment-483268050

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// 8x16 LED Matrix I2C FeatherWing
#define MATRIX_ADDR 0x70 // default; 0x71-0x77 with jumper changes
Adafruit_8x16minimatrix matrixDisplay = Adafruit_8x16minimatrix();

setup() {
  matrixDisplay.begin(MATRIX_ADDR); // void
}

void scrollMatrixString(String tString, int scrollDelay, int bright, int rot, int tSize, boolean tWrap, int tColor) {
  int tLength = tString.length();