Some examples for M5Stack devices.

• AtomicGPSTest.ino : get GPS data from Atomic GPS kit
• EnvIVTest.ino : read temperature, humidity and pressure from EnvIV unit
• atom_dtu_nb_iot.py : send AT command and wait for response

• DeepSleepTest.ino : Deep sleep test to measure current
• ReadDualButtonViaPbHub.ino : Read Dual Button states via PbHub unit

• DeepSleepWakeFromTouch.ino : put ESP32 into deep sleep then wake when screen is touched
• LightSleepWakeFromTouch.ino : put ESP32 into light sleep then wake when screen is touched
• IoTBasePSM.py : button A powers modem on; button B sends AT command; button C puts modem into power save mode
• SimpleTone.py : play a tone

• CountDownThenPowerOff.py : count down from 10 then power off
• RTC_Clock.ino : low power clock with non-flickering ink display update

• COMLTETest.ino : COM.LTE module - send AT command and read response
• CamToLCD.ino : take picture from camera and show on LCD
• SDCard.ino : init SD card (Note: breaks LCD)
• SDCardAndLCD.ino : SD card and LCD both work
• TouchRandomCircle.ino : Touch to draw random colored circle
• TouchButtonABC.py : Button A, B and C at the bottom

• GC9A01_demo.ino : TFT demo
• I2CScanIntExt.ino : Scan I2C - internal and external (red port A)
• ShutdownTest.ino : Shutdown test - power on via knob button or RTC timer
• SleepTest.ino : Light/Deep sleep test - wakeup via touch screen or knob button

• LinkTest.ino : LAN Base link test for M5Core, M5Core2, M5Tough and M5CoreS3

• GestureSensor.ino : read gesture sensor and display result
• I2CScanInternalAndAllPorts.ino : i2c scan (internal and port A, B und C).
• NonFlickeringUpdateAfterShutdown.ino : display non flickering count after waking up from shutdown
• ShutdownWakeAfterHours.ino : Shutdown (after being turned on by power button) and wake up after 7 hours by RTC
• SleepTest.ino : ESP32 light / deep sleep test with timer and touch screen wakeup
• Lightsleep.py : put ESP32 into light sleep for 60 seconds

• Cam2CoreExtended.ino : receive data from TimerCam and display on LCD; use button A, B and C to change frame size
• OTAoverLTE.ino : firmware update over the air using an LTE modem

• NonBlockingBlink.ino : blink LED w/o using delays
• Unit4RelayDemo.ino : turn relay on / off over i2C every second

• LEDTest.ino : change LED color every half second
• RS485ModbusACSSR.ino : use RS485 port with Modbus protocol; button A turns relay on; button B reads the firmware of the relay; button C turns the relay off

• LightSleepWakeFromTouch.ino : put ESP32 into light sleep then wake when screen is touched
• RS485ModbusACSSR.ino : use RS485 port with Modbus protocol and toggle ACSSR relay on / off every 800 ms
• ThreeBottomButtons.py : three bottom button for M5Tough