| RaceDAC specifications |
| RaceDac is a data acquisition module with wireless, Bluetooth compatible serial connection to PC, laptop, mobile device, or any other device with standard BlueTooth connectivity. |
| Compatibility | |
| RaceChrono compatible | |
| BlueTooth connectivity (mobilephone/PC/laptop/etc) |
| Power supply | |
| Supply voltage | 12V ± 20% DC |
| Power modes | |
| - On/Off-pushbutton | User select |
| - Start-up input | When Start-up input has 12V signal, RaceDAC starts up and stays on |
| - Automatic | Jumper select, always on when power supply available |
| Supply current | Typical current consumption 100mA without any external sensors |
| Standby current | Less than 1mA |
| Aux voltage output | 5V, max 100mA for external sensor power |
| Data acquisition inputs | |
| Analog inputs | 8 channels |
| - Voltage range | 0-5V or 0-15V, dip-switch selection |
| - Sample rate | Configurable: 1,2,5,10,20,50 and 100 Hz |
| - Input modes | Normal/ Lookup table 1/ Lookup table 2 |
| Digital inputs | 2 channels |
| - Voltage range | 0-5V, input overvoltage protected to 15V |
| - RPM range | 0 - 3 000 000 RPM |
| - Frequency range | 0 - 60 000 Hz |
| - Input modes | RPM measurement/ Frequency measurement/ Impulse counter/ Digital status input |
| Communication | |
| Interface | Bluetooth SPP profile (Serial Port Protocol) compatible communication module Rayson BTM-182 |
| Software configurations and updates via BT-connection | |
| Radio frequency | 2.4 Ghz |
| SPP settings | |
| - Baud rate | 115200 |
| - Databits | 8 |
| - Stopbit | 1 |
| - Parity | No |
| - Handshaking | Not used |
| Pin-code | 1234 |
| Output data format (user selectable; RC1 or RC2) |
| $RC1,<time>,<count>,<xacc>,<yacc>,<zacc>,<xgyro>,<ygyro>,<zgyro>, <rpm>,<a1>,<a2>,<a3>,<a4>,<a5>*checksum |
| Or |
| $RC2,<time>,<count>,<xacc>,<yacc>,<zacc>, <d1>,<d2>,<a1>,<a2>,<a3>,<a4>,<a5>,<a6>,<a7>,<a8>*checksum |
| Where: |
| - $ is message start character |
| - RC1 or RC2 is message identifier |
| - Time stamp is not used (empty) |
| - count is an overflowing line counter 0-65535 |
| - xacc,yacc,zacc,xgyro,ygyro,zgyro fields are not used so far (empty) |
| - dx are digital channel fields, range 0-65535 |
| - ax are analog channel fields, range 0-65535, negative values roll back to 65535 (-1) |
| - * is message separator character |
| - NMEA 0183 type checksum |
| - Each line is terminated with CR LF |
| Connectors | |
| Power supply and data acquisition inputs | 16 way, 3.5mm pitch screw terminals (tool 2.5 mm slot-head screwdriver) |
| - Wire cross section area | Max. 1.0 mm^2 (solid), 17AWG |
| - Wire outer diameter | Max. 2.5 mm |
| In circuit programming and debug | 6 way, 2.54 mm pitch pins |
| Indicator leds | |
| Bluetooth communication | 2 green leds |
| Software status | 1 yellow led |
| Power on | 1 red led |
| Sizes | |
| Enclosure | 91mm x 66mm x 28mm, modified from Hammond 1593LGY, material is ABS |
| Printed circuit board | 78mm x 56mm x 15mm |
| Weight | 85 g |