Missing data...Again. Ran the dryer for 40 minutes with a full load and only wound up with 3 minutes of useless data. The Pico might be resetting. It's running from a reliable phone charger. The same code logged 33 minutes of data last time (the graph), so I dunno. This is the code I'll run next time. It uses a new filename on each restart.
Code:
import machineimport onewireimport sdcardimport ds18x20import timeimport uosled = machine.Pin(25, machine.Pin.OUT)# Assign chip select (CS) pin (and start it high)cs = machine.Pin(9, machine.Pin.OUT)# Intialize SPI peripheral (start with 1 MHz)spi = machine.SPI(1, baudrate=1000000, polarity=0, phase=0, bits=8, firstbit=machine.SPI.MSB, sck=machine.Pin(10), mosi=machine.Pin(11), miso=machine.Pin(8))# Initialize SD cardsd = sdcard.SDCard(spi, cs)# Mount filesystemvfs = uos.VfsFat(sd)uos.mount(vfs, "/sd")i = 1x = ""while i < 100: x = "test" if i < 10: x = x + "0" x = x + str(i) x = x + ".txt" if not x in uos.listdir("/sd"): break i = i + 1 if i == 100: x = "over99.txt"f = open("/sd/" + x, "w") ds_pin = machine.Pin(22)ds_sensor = ds18x20.DS18X20(onewire.OneWire(ds_pin))roms = ds_sensor.scan()t = 0while True: i = 0 while i < 10: i = i + 1 ds_sensor.convert_temp() led.off() time.sleep_ms(750) led.on() f.write("%02d:%02d:%02d" % time.localtime()[3:6]) for rom in roms: tempC = ds_sensor.read_temp(rom) tempF = tempC * (9/5) +32 f.write("\t%0.1f" % tempF) time.sleep_ms(200) f.write("\n") t = t + 1 f.flush()Statistics: Posted by Mike**K — Thu Dec 05, 2024 2:26 pm