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--- projects:firefly:fhalp-2 [2008/01/04 09:19] – jcoxon
+++ projects:firefly:fhalp-2 [2008/07/19 23:33] (current) – external edit 127.0.0.1
@@ Line 4: / Line 4: @@
   * GM862-GPS - //got//
-  * Radio
+  * Circuit Design Radio Module - (Morse Beacon) - //got//
-    * Circuit Design Module - (Morse Beacon) - //got//
-    * <del>Radiometrix NX2 Module - (RTTY Transmitter) [[http://www.radiometrix.co.uk/products/tx2rx2.htm|radiometrix]]</del>
-  * <del>Premier DS-5080 - //got//</del>
   * Cutdown Circuit (based on a Mosfet) - //got and built [[http://wiki.ukhas.org.uk/ideas:flight_support#pyrotechnic_cutdown_device|circuit]]//
   * 3.7v Lipo Battery - [[http://www.sparkfun.com/commerce/product_info.php?products_id=340|sparkfun]] [[http://robosavvy.com/store/product_info.php/products_id/314|UK Supplier]] - //got//
   * GPS antenna - //got//
-  * GSM antenna - [[http://www.active-robots.com/products/radio-solutions/antennae.shtml|Active Robots]]
+  * GSM antenna - //still to get // [[http://www.active-robots.com/products/radio-solutions/antennae.shtml|Active Robots]]
   * uALFAT Data Logger - //got//
+  * 2Gb Micro-SD card - //ordered//
 ===== Plan =====
@@ Line 23: / Line 21: @@
   * Design Payload
-  * Build Morse Beacon
+  * <del>Build Morse Beacon</del>
   * Sort out code especially cutdown code
   * Design Payload
@@ Line 37: / Line 35: @@
 So the plan is to make a morse beacon that pulses on and off at 1Hz and then every minute the gm862-gps takes over and pulses out the time,lat,long and alt. To achieve this without using a complicated PIC I've got hold of some CMOS 555 ICs which will be set up to pulse the radio at 1Hz and the GM862 will pull the reset to ground and toggle the pin itself.
+{{projects:firefly:scaled.p1010892.jpg|}}
+Its not the best design in the world however early testing seems to work (well I can hear the 1hz pulse on my radio). The next step is to link it up to the gm862 and start sending some actual data.
 ===== Links =====
@@ Line 42: / Line 44: @@
   * [[http://www.crownhill.co.uk/product.php?prod=1785|uALFAT-TF Data Logger]] - UART, I2c or SPI
   * [[http://www.memorybits.co.uk/categories/micro-sd--transflash/755?campaign=google_micro_sd_transflash_cards&kw=micro+sd|Cheap MicroSD cards]]
+===== Pictures =====
+{{projects:firefly:scaled.p1010900.jpg|}}
+Picture of GM862, lipo 2000mAh battery, radio module and data logger (not yet wired up) - lots of the wires are for development and connection to my laptop!
 ===== Mission Badge =====
 {{projects:firefly:icon2.jpg|}}