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Selection
of Smart-Its P Prototypes and Add-On Boards before Version 1/70
New
version can be found here
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Smart-Its P 1.0-1 (Smart-Its
RF)
- Communication:
RFM 868.35 MHz, 125kbit/s, encoding adopted to application / low
power consumption, slotted TDMA/CS&CA, strict sync
- Processing:
PIC 16F876 20 MHz
- Sensors:
1 sensor & 3 actuator on board (1 low current, 1 high current
LED, Piezo, 1 feature interface for additional sensors, sensor
boards, actuators, Ethernet bridges : serial (TTL level), I2C,
general I/O
- Power
supply: 1-3.3V: lithium coin cell, AAA,AA,A batteries, rechargables,
NC cells, NiMH cells ...
- in
circuit programming and debugging with off-the-shelf programmers
- Size:
46x42mm
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Sensor
Board for Smart-Its
(V 1.0-2)
- Interfaces
to Smart-Its RF: extended I2C (I2C & interrupt control line,
300 kHz)
- Acceleration
Sensor (2 axis, ADXL202), mid prec.
- Pressure
Sensor, low prec. (from 20 g - several kilogram)
- Light
Sensor (daylight or IR as replacement), mid prec.
- Temperature
Sensor DS1603 mid prec.
- Microphone
Sensor high precision, high linear
- Piezo
Speaker Output, 2 low current, 1 high current LED (can be replaced
by e.g. vibration motor)
- Power
supply through main board (e.g. Smart-It) or separate, from 1-5V;
internal generation of 5V
- 5V
power supply output for external boards
- Own
Processor (Microchip PIC 16F877@20MHz) for preprocessing of sensor
data & user applications; 13 kbyte Program Flash RAM, 386
byte RAM and 8kbyte FRAM (optional)
- Additional
feature connector for more sensors etc, incl. A/D, Interrupt lines,
digital I/O, serial, I2C, SPI, software selectable
- hardware
supported I2C and serial line (TTL) interfaces
- in
circuit programming and debugging with off-the-shelf programmers
- Real
Time Clock (precision: 2 sec/year)
- Size:
42x48 mm
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RS232
Add-On (AR 0.0-0)
- Interfaces
to Smart-Its
- RS232
level
- IrDA
physical layer
- Power
supply through main board (e.g. Smart-It)
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Test
I/O (IO-TS 0.0-0)
- I/O
Test board for input and output
- Power
supply through main board (e.g. Smart-It)
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Historic
Boards
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Smart-Its P 0.0-1
- Communication:
RFM TR 1001 free-license 868.35 MHz band, 125kbit/s, encoding
adopted to application / low power consumption
- Processing:
PIC 16F876 20 MHz
- Sensors:
1 sensor & 1 actor on board, interfaces for sensor/actor boards:
serial (TTL level), I2C, analog&digital
- Power
supply: e.g. 3V lithium cell, AAA rechargeable... (1-3.3V in)
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Sensor
Board for Smart-Its
(V 0.0-2)
- Interfaces
to Smart-Its: I2C
- Acceleration
Sensor
- Pressure
Sensor
- Light
Sensor
- Temperature
Sensor
- Microphone
Sensor
- Piezo
Speaker Output
- Power
supply through main board (e.g. Smart-It)
- Own
Processor (Microchip PIC 16F877) for preprocessing of sensor data
- Size:
42x48 mm
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Smart-Its
P 0.0.0
- 9600
bit/s communication (DR1001 module)
- I2c,
serial, diverse I/O
- 3.3
V power supply only
- 2
LEDs, 1 piezo speaker
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