![]() The result with the power source at 5v from the specified pin gives a bad result of 7.95mA, but the same test with battery power reach 3.33mA, relatively better than the first result and then DOIT DEV KIT v1.In a previous article, we covered sleep modes in ESP8266. I try to do the same test with two famous boards vendor devices with battery management and other features, not only for dev. The hibernation has better results concerning deep sleep, and DEV KIT v1 consumes 3.46mA, but It’s very far from the 5♚ declared from Espressif. Remember ext0 put in deep sleep, but ext1 prevent the use of deep sleep. To put the devices in hibernation instead of Deep sleep, I remove the external wake-up source ext0. And every time the esp32 comes out of deep sleep, it restarts from the initial. When launching the sketch, we denote the first difference from light sleep, the variable state is not preserved in deep sleep mode, and the program flow restart from setup().Īs you can see, the variable’s value is 0, and it is reset every time. WiFi.disconnect(false) // Reconnect the network WiFi.disconnect(true) // Disconnect from the network your device can't go to hibernate modeĮsp_sleep_enable_ext0_wakeup(GPIO_NUM_33,1) Pay attention to this command, with this wake up source Serial2.println("DEEP SLEEP ENABLED FOR 5secs") Įsp_sleep_enable_timer_wakeup(5 * 1000 * 1000) Serial2.print("Initial Variable value = ") SerialBT.begin("ESP32test") //Bluetooth device name Online BearSSL Certificate Trust Anchor retriever for minimal x509 verification engine.Voltage divider: calculator and application. ![]()
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