Olimex Open Source Hardware Industrial grade ARDUINO like development board OLIMEXINO-328 OLIMEXINO-328 Benutzerhandbuch
Produktcode
OLIMEXINO-328
OLIMEX© 2013
OLIMEXINO-328 user's manual
to use virtually any power supply adapter on the market, including applications with the standard
24VDC industrial power supply.
24VDC industrial power supply.
3. We carefully selected all components to work reliably over the industrial temperature range
-25+85C so the board can be used in industrial applications (the original design was suitable for the
commercial 0-70C operating temperature).
-25+85C so the board can be used in industrial applications (the original design was suitable for the
commercial 0-70C operating temperature).
4. The original Arduino design was not good for portable applications as it dissipated too much
power in the linear voltage regulators. We chose ULTRA LOW POWER voltage regulators with
consumption of only few microamps to enable handheld and battery powered applications.
power in the linear voltage regulators. We chose ULTRA LOW POWER voltage regulators with
consumption of only few microamps to enable handheld and battery powered applications.
5. We added a Li-Ion rechargeable battery power supply option with a BUILT-IN onboard charger,
so when a battery is attached it is automatically kept charged . When the other power source (USB
or external adapter) is removed it will AUTOMATICALLY power the board - no jumpers, no
switches!
so when a battery is attached it is automatically kept charged . When the other power source (USB
or external adapter) is removed it will AUTOMATICALLY power the board - no jumpers, no
switches!
6. Our design can work both on 3.3V and on 5V, switch-selectable.
7. Our boards included the UEXT connector, allowing many existing modules like RF, ZIGBEE,
GSM, and GPS to be connected. It also saves soldering to interface I2C, UART and/or SPI.
GSM, and GPS to be connected. It also saves soldering to interface I2C, UART and/or SPI.
8. Our design allows a Real Time Clock (RTC).
9. We made our design noise immune in the RESET circuit. There are a number of threads on the
Arduino forum for problems with the RESET when the board works with motors, since Atmel
recommendations were omitted in the original design. We fixed this.
Arduino forum for problems with the RESET when the board works with motors, since Atmel
recommendations were omitted in the original design. We fixed this.
10. We used a separate voltage regulator for the Analog part, allowing the ADC to be read correctly
without digital noise pickup.
without digital noise pickup.
11. We made provision for the optional ARef precision voltage source, for users who need higher
precision and temperature stability in Analog readings.
precision and temperature stability in Analog readings.
12. We placed the LEDs and the BUTTONs on the edge of the board for easy access even if the
boards have shields on them.
boards have shields on them.
13. All components were placed LOWER than the connectors, so the shields do not interfere with
them.
them.
14. We used a mini USB connector which is common and used in most cell phones, so you do not
have to buy other cables.
have to buy other cables.
15. The original design did not space the connectors at 0.1", making perfboard use impossible. For
compatibility, we used the same spacing but we added footprints next to the connectors on 0.1"
which customers can use with perforated boards.
compatibility, we used the same spacing but we added footprints next to the connectors on 0.1"
which customers can use with perforated boards.
16. All signals on the connectors are printed on top and on bottom of the board, so when you check
with a probe you know exactly which point you are measuring.
with a probe you know exactly which point you are measuring.
Page 6 of 23