Name: M5Stack M5Station-485 - ESP32 - M5STACK-K123
Brand: M5Stack
SKU: 004485
Price: 55 EUR
Availability: InStock

M5Stack M5Station-485 - ESP32

Availability: Directly available from warehouse in Eindhoven
SKU: 004485

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Description
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A development board from M5Stack based on an ESP32 including a display and an RS485 interface. Other products with a Grove connection can easily be connected via the Grove connectors. In addition, this module also has the ability to measure the current that each of the Grove ports consumes via the built-in current sensors.

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Tags: M5Stack M5Station-485 - ESP32 , M5STACK-K123 , With Bluetooth

Specifications

General
Brand	M5Stack
Manufacturer model/SKU	K123
Minimum operating temperature [°C]	0
Maximum operating temperature [°C]	60
Features	Battery charger Display Microcontroller Current sensor Battery protection circuit RTC
General physical appearance
Main color	Gray/silver
Weight [g]	64
Dimension X [mm]	92
Dimension Y [mm]	65
Dimension Z [mm]	35
Mounting options	Mounting hole(s) DIN-rail (EN 60715) LEGO (compatible) holes
Form factor	Module (general)
General electrical properties
Minimum supply voltage [V DC]	5 (lower possible via Li-ion/Li-Po battery)
Maximum supply voltage [V DC]	24 (via RS-485 connector, maximum 5V DC via USB-C)
Minimum IO-pin input voltage [V]	3.3
Maximum IO-pin input voltage [V]	3.3
IO-pin output voltage [V]	3.3
Maximum IO-pin source current [mA]	20
Maximum IO-pin sink current [mA]	28
MCU/SoC
Manufacturer	Espressif
Chip series	ESP32
Maximum clock frequency [MHz]	240
Number of cores	2
Internal memory
SRAM [KB]	520
PSRAM [MB]	0
Flash memory [MB]	16
EEPROM type	Emulated
Communication
Hardware interface(s)	I2C I2S SPI UART PWM ADC DAC GPIO RS485 USB CDC
Number of IO-pins	10
Maximum available hardware PWM channels	8
Maximum available analog input pins (ADC)	8
Maximum available analog output pins (DAC)	2
Maximum available hardware UART interfaces	3
Maximum available hardware I2C interfaces	2
Maximum available hardware SPI interfaces	2
USB to serial converter	CH9102F
RS485 chip	SP3485
Wireless communication
Interface(s)	Wi-Fi Bluetooth
Wi-Fi chip/SoC	ESP32
Wi-Fi frequency [GHz]	2.4
Bluetooth chip/SoC	ESP32
Bluetooth version	4.2
Supported Bluetooth standard(s)	LE Classic
Display
Type	IPS
Driver	ST7789
Screen diagonal [inch]	1.14
Number of pixels long side	240
Number of pixels short side	135
Pixel colors	RGB
LED
LED (driver) chip	SK6812
Number of LEDs	7
Current sensor
Sensor (chip)	INA3221 (Grove ports) INA199 (USB-A out)
Measuring method	Shunt
Shunt resistance [mΩ]	10
RTC
RTC chip	BM8563
Back-up battery/capacitor	None
Battery circuit
Battery charger chip/SoC	AXP192
Supported battery chemistry	Li-ion Li-Po
Maximum charging voltage [V]	4.2
Maximum charging current [mA]	1400
Adjustable charging current	Yes (via I2C, charging is possibly disabled by default)
Protection circuit	Yes
Safety features	Overvoltage Overcurrent Undervoltage
Connectors
Power supply connector(s)	USB-C male Detachable block male (HT3.96)
IO-connector(s)	HY2.0 (Grove) male USB-C female Detachable block male (HT3.96)
Battery connector(s)	Molex Picoblade (compatible) male (Note: Uncommon 4p connector)
Wi-Fi/Bluetooth antenna connector	Built-in antenna IPEX MHF 1/uFL male (requires modification)
Enclosure
Material	ABS
Package contents
Package contents	1x M5Station-485 1x USB-A to USB-C cable (~100cm) 1x HEX Key