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The table below is a sumary of the altimeters characteristics and capabilities

 

Altimeter model Alti Uno Alti Duo Mini Alti duo Datalogger
Picture

 

Size in mm
75x20mm 89x32mm 77x23mm 99x33mm
Weight 11.4grams to 13 grams 21grams to 27grams 16grams to 18.5grams 25grams to 26 grams
Number of pyro output 1 2 2 3
Micro controller ATtiny 85 ATMega328 ATtiny 84 ATMega328
USB interface connector
no yes no yes
power supply 6.5V to 12V 6.5V to 12V 6.5V to 12V 6.5V to 12V
Max Output Current 17A or 49A 17A or 49A 17A or 49A 17A
Pressure sensor BMP085 BMP085 BMP085 BMP085
Memory no no no 512K EEPROM
Pressure range 300-1100hPa 300-1100hPa 300-1100hPa 300-1100hPa
Altitude range -500 to 9000m -500 to 9000m -500 to 9000m -500 to 9000m
Kit yes yes yes yes
Status replaced by Alti Uno 180 replaced by Datalogger replaced by Mini Alti duo 180 lots of flights
Current software version

1.3 (stable)

 

1.3 (stable)

1.4 (under development)

1.3 (stable)

1.6 (stable)

1.7 (under development)

Front end version none in progress none

Java console

0.9.4 (stable)

0.9.5 (under development)

 

Android Console

1.03 Stable

Software update AVR programmer only

AVR programmer

or

USB interface

or

Blue tooth
AVR programmer only

AVR programmer

or

USB cable interface

or

Blue tooth

 

Note that the weight depend on the transistor used. The max output current depend also on the transistor used

 

New kits

Those are a replacement for the AltiUno and Mini AltiDuo kits. They are smaller and are using the BMP180 sensor .

Altimeter model Alti Uno 180
Mini Alti duo 180
Picture

 

Size in mm
57x19mm 65x23mm
Weight 11.4grams to 13 grams 16grams to 18.5grams
Number of pyro output 1 2
Micro controller ATtiny 85 ATtiny 84
USB interface connector
no no
power supply 6.5V to 12V 6.5V to 12V
Max Output Current 17A
17A
Pressure sensor BMP180 BMP180
Memory no no
Pressure range 300-1100hPa 300-1100hPa
Altitude range -500 to 9000m -500 to 9000m
Kit yes yes
Status in test
in test
Current software version

1.3 (stable)

 

1.3 (stable)
Front end version none none
Software update AVR programmer only AVR programmer only

 

SMT version. Those are not kits but proffessionnally soldered in a reflow oven.

 

Altimeter model

AltiUno SMT

 

AltiDuoSmt

 

Picture

 

Size in mm
44x16 mm 56x18 mm
Weight 5.5 grams 7.3 grams
Number of pyro output 1 2
Micro controller ATtiny 85 ATtiny84
USB interface connector
no no
power supply 4.5V to 7.4V 4.5V to 7.4V
Max Output Current 9A
9A
Pressure sensor BMP180 BMP180
Memory no no
Pressure range 300-1100hPa
300-1100hPa
Altitude range -500 to 9000m -500 to 9000m
Kit no no
Status Fully tested and on sell
replaced by AltiDuo SMT micro V2
Current software version

 

1.3 (stable)

 

1.4 (stable)
Front end version none none
Software update Impossible unless you have microcontroler dev tools
Impossible unless you have microcontroler dev tools
Unit metrics metrics/imperial
BMP085

 

Other smt

This is an enhanced version of the SMT AltiDuo that can work with 1S batteries

Altimeter model

AltiDuo SMT micro V2

 

 

Picture


Size in mm
51x18mm
Number of pyro output 2
Micro controller ATtiny84
USB interface connector
no
power supply 3.7V to 9V
Max Output Current 9A 

Pressure sensor BMP180
Memory no
Pressure range 300-1100hPa

Altitude range -500 to 9000m
Kit no
Status Fully tested and on sell
Current software version

 

1.4 (stable)

 


Front end version none
Software update Impossible unless you have microcontroler dev tools

Unit metrics/imperial
BMP085

 
 

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