![]() ![]() The Arduino sleep mode works very well, even if I don’t reach the same values of the specification: According to the specification, Power Consumption at 1MHz, 1. An internal or external Arduino interrupts or a Reset can wake up the Arduino from the sleep mode. For this you will need, Arduino Nano, MPU6050 Accelerometer Module, Bluetooth module (HC-05), Lipo battery or Bluetooth battery. milliseconds: the number of milliseconds to put the board in sleep mode. Using the WDT for waking from sleep is described in the 5th part of this series. ![]() Then the sleep mode select bits select the sleep mode among Idle, ADC noise reduction, Power-Down, Power-Save, Standby and External Standby. When RTC alarm triggers, the device is reset and the sketch runs again from the beginning. 3V pin, is enough to keep RTC alive if the CPU is put in sleep mode before the standard USB or VIN power is disconnected. Pin Powering the RTC during uptime and letting it go into timekeeping mode (3 ♚) while the Arduino sleeps (with the coincell divider in place) appears to be causing a 5-7mV drop per day on the CR2032 coin cell. I want my device to go in sleep in every 30 sec. And the applicable lithium polymer battery model is CR1120. ![]()
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