Eggtimer Rocketry Flight Computer Manuel d'utilisateur télécharger pdf (Page 48)

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Appendix E - Specifications

Pressure Sensor:

Type Bosch BMP-85/180, accuracy rated to approx. 9000 m (29,500 ft)

Accuracy Approx 1m (3 ft) throughout rated pressure range

Precision Approx ½ m (1.5 ft) throughout rated pressure range

Processor

Type Atmel ATMega328P

Speed 16 MHz

Memory

Type I2C Serial EEPROM

Size 64KB (512 Kb)

Deployment

Voltage 3v-60v

Current 8A max, 60 W

Isolation > 3000V (opto-isolator)

Duration 1-9 seconds, or continuous

Output On, or pulse-width-modulated output for analog servos

Servo PWM 0.5-2.5 ms ( selectable +/- 100 ms pulse width increments)

AUX Channels (3) 3v-4v at 20 mA max (logic-level outputs)

Size Approx 3.6” L x 1.1” W x .5”H

Weight Approx 20 grams

Power

Voltage 3-4v nominal

Current Draw

Reset Approx 2 ma

Operational Approx 8 ma

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Eggtimer Rocketry Flight Computer Manuel d'utilisateur Page 48