Technical data

../_images/OBP40_Front_View_2_t.png

Functions

  • Mobile e-paper display (daylight compatible)

  • Numeric display pages for 1, 2, 3 and 4 values (values freely selectable)

  • Graphic display pages (fixed values)

  • Trend indicator for values

  • 1 Selection wheel with push button and 2 selection buttons

  • Magnetic dock for power supply via pogo pins

  • Magnetic and Velcro mounting

  • USB docking station for charging and data exchange

  • NMEA2000 (via hardware expansion)

  • NMEA0183 (via WiFi or via hardware extension)

  • NMEA2000/NMEA0183 Gateway (bidirektional)

  • I2C (via expansion port)

  • 1Wire (via expansion port)

  • USB-C (OTG, Debug, NMEA0183)

  • WiFi 2.4GHz (HTTP, TCP, UDP)

  • Bluetooth (currently unused)

  • LiPo battery deep discharge protection < 3.65V (requires LiPo battery)

  • Low Power Modus (Deep Sleep)

Comparison OBP40 / OBP60

Function

OBP40

OBP60

E-Paper-Display

X

X

Flash memory [MB]

8

16

12V power supply

X

LiPo-Battery

X

Backup Battery

X

USB power supply

X

X

Waterproof case

X

Suitable for outdoor use

X

Display screen protector

X

Display lighting

X

Display protection filter

X

Flash-LED

X

Buzzer

X

Real-time clock

X

GPS receiver

X

Environmental sensor

X

Number of keys

3

6

Swipe gestures

X

Selection wheel

X

Reset-Taster

X

X

Flash-Taster

X

WiFi 2.4 GHz

X

X

Bluetooth 4.0

X

X

NMEA0183 isolated

X

NMEA2000 isolated

X

I2C isolated

THE

X

1Wire

X

X

Protection class

IP20

IP65

CE certification

X

O: not isolated

Construction

../_images/OBP40_Explode_View_2_t.png

Specification

Supply voltage

5 V, 1 A, USB-C, Magnet Dock

Electricity consumption

0.5…3.5 W, typisch 0,5 W

Processor

ESP32-S3, Dual Core

Clock Speed

80, 160, 240 MHz

RAM

512 KB

Flash

8 MB

PSRAM

8 MB

Display size

400 X 300 pix, 120 dpi

Refreshrate

1 Hz

Keys

Mechan. Springfedertaster

Battery type (optional)

LiPo, 3.7V, 1200mAh

Charging time via USB

Approx. 2.5 h at 600 mA

Service life

Approximately 8.8 hours at full load

Sleep duration

Approximately 1.3 years at 1200 mAh

Protection level

IP20

Dimensions

110 X 112 x 22 mm

Weight

110 G

Connection assignment

../_images/OBP40_Side_View_2_t.png ../_images/Logo_ESP32-S3_t.png

Abb.: USB-Port

../_images/CrowPanel_4.2_ESP32_HMI_E-paper_Display.png

Fig.: Circuit board pinout CrowPanel 4.2 (Elecrow)

GPIO expansion port

Above

Function

Below

Function

GPOI8

0183 You

GPIO3

Analog In

GPOI14

0183 RX

GPIO9

0183 TX

GPOI16

CAN RX

GPIO15

CAN TX

GPOI18

Buzzer

GPIO17

1Wire

GPOI20

GPS TX

GPIO19

GPS RX

GPOI38

I2C SCL

GPIO21

I2C SDA

3V3

3.3V

GND

Lot

3V3

3.3V

GND

Lot

3V3

3.3V

GND

Lot

3V3

3.3V

GND

Lot

Warning

The expansion port connections are not protected. Voltages below 0V and above 3.3V can irreparably damage the processor if the permissible limits are not observed. Consult the technical manual for ESP32-S3 and ESP32-S3 WROOM before connecting any additional hardware to the expansion port.

Circuit diagram

Dimensional drawings

Usable and convertible telegrams

NMEA0183

  • AIVDM, AIVDO, DBK, DBS, DBT, DPT, GGA, GLL, GSA, GSV, HDG, HDM, HDT, MTW, MWD, MWV, RMB, RMC, ROT, RSA, VHW, VTG, VWR, XDR, XTE, ZDA

NMEA2000

  • 126992, 127245, 127250, 127251, 127257, 127258, 127488, 127489, 127505, 127508, 128259, 128267, 128275, 129025, 129026, 129029, 129033, 129038, 129039, 129283, 129284, 129539, 129540, 129794, 129809, 129810, 130306, 130310, 130311, 130312, 130313, 130314, 130316

Usable I2C sensors

Environmental sensors

  • BMP085, BMP180, BMP280, BME280, SHT20, HTU21

Voltage and current sensors

  • INA226, INA219 (in preparation)

Shop sensors

  • AS5600, MT6701 (in preparation)

Port expansions

  • PCF8574 (in preparation)

Real-time watches

  • DS1388

Usable 1-Wire sensors

Temperature sensors

  • DS18B20