Eggtimer Rocketry Flight Computer Uživatelský manuál stáhnout pdf (Strana 9)

least 360 2-second firing cycles; that assumes that the bridgewire on the match doesn’t burn

through, so the reality is that it’s probably more like 1,000 cycles. That’s a lot of launches.

Assembling your Eggtimer TRS TX Board

Step 1: Sort the Components

Before you start soldering anything, you need to lay everything out and make sure that you are

familiar with all of components, and that you have everything. (Yes, we ARE human and

sometimes make mistakes… if you are missing something, let us know immediately so we can

send you whatever you need). You should have the following parts, check them off as you sort

them. Pay particular attention to the SMT resistors, they all look exactly the same except for

the number that’s marked on them; you may want to write the code on the back of the carrier

so you don’t mix them up.

Qty Description

__ 1 Circuit board with pre-mounted Bosch BMP180 pressure sensor

__ 1 Maestro Wireless A2235H GPS module

__ 1 Hope RF HM-TRP-915 RF module

__ 1 Atmel ATTINY85-AU Microcontroller (pre-programmed)

__ 1 CAT24C512WI-GT3 512Kb EEPROM (SOIC-8 package)

__ 1 SN74HC02N Quad NOR Gate (14-pin SOIC package)

__ 1 AP1117-33 3.3V voltage regulator (SOT-223 package)

__ 2 FZT689BTA Darlington Transistors (SOT-223 package)

__ 2 MOCD217M2 Dual Optoisolators (SOIC-8 package)

__ 1 3mm Red LED

__ 1 3mm Amber LED (it may be clear)

__ 1 330 ohm 0805 SMT resistors (marked “331”)

__ 1 1K ohm 0805 SMT resistor (marked “102”)

__ 5 2.2K ohm 0805 SMT resistors (marked “222”)

__ 2 4.7K ohm 0805 SMT resistors (marked “472”)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 30 31

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Eggtimer Rocketry Flight Computer Uživatelský manuál Strana 9