Comments (5)
Please add some content: Is the low power working or failing?
from wusn.
The power consumption measurement of MoleNet V6 is attached in the pdf below.
MoleNet - V6_power_consumption.pdf
The code used :
`
from machine import deepsleep
from machine import lightsleep
from time import sleep
print('Im awake. Going to sleep in 10 seconds')
sleep(10)
print('Going to 10 sec light sleep now')
lightsleep(10000)
sleep(10)
print('Going to 10 sec deep sleep now')
deepsleep(10000)
`
from wusn.
2 mA with LoRa and SD powered up is too high. Please set the LoRa-module into deep sleep mode and check the current drawn by the pull-up resistors.
from wusn.
I have configured the LoRa module to sleep and measured the current consumption. The results indicate a reduction in current consumption of the LoRa chip (RA-01H) by 2mA during sleep. Please find the attached code and results for reference.
MoleNet - V6_power_consumption_with_LORA_sleep.pdf
`import LoRaSender
import LoRaReceiver
from config import *
from machine import Pin, SPI, SoftSPI
from sx127x import SX127x
from machine import lightsleep
from time import sleep
from machine import deepsleep
device_spi = SoftSPI(
baudrate = 200000,
polarity = 0, phase = 0, bits = 8, firstbit = SPI.MSB,
sck = Pin(device_config['sck'], Pin.OUT, Pin.PULL_DOWN),
mosi = Pin(device_config['mosi'], Pin.OUT, Pin.PULL_UP),
miso = Pin(device_config['miso'], Pin.IN, Pin.PULL_UP))
Pin(device_config['reset'], Pin.OUT, value=1)
lora = SX127x(device_spi, pins=device_config, parameters=lora_parameters)
print("going to light sleep")
lightsleep(10000) # 10 seconds light sleep
print("lora on")
sleep(20)
lora.sleep() # Lora is on sleep mode
print("lora off")
lightsleep(10000) # 10 seconds light sleep
deepsleep(20000) # 20 seconds deep sleep
`
from wusn.
2mA during sleep for the LoRa transceiver???
from wusn.
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from wusn.