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--- projects:a4sim:start [2020/02/03 21:14]
dwheele [Restoration]
+++ projects:a4sim:start [2021/07/19 21:39] (current)
admin ↷ Links adapted because of a move operation
@@ Line 13: / Line 13: @@
   * To activate the Navy sim gauges, thinking I can connect servos to a Servo Controller attached to a Raspberry Pi, and it gets info from X-Plane via UDP.
+  * [[altimeter|Altimeter]]
   * [[.arduinonano:|Arduino Nano V3 Microcontroller]]
   * [[.arduinomega:|Arduino Mega 2560 Microcontroller]]
@@ Line 18: / Line 19: @@
   * [[enginestarting|Engine Starting Datarefs and Notes]]
   * [[filelocations|File Locations for Development]]
+  * [[font|Font for cockpit instruments]]
+  * [[.hardware:|Hardware - Related to A4-Sim project]]
   * [[jsonfileformat|JSON File Format (a4simData.json)]]
   * [[joystickoverridedatarefs|Joystick Override Datarefs]]
@@ Line 23: / Line 26: @@
   * [[.xplane11:|X-Plane 11 Info]]
   * [[maincontrols|Main Controls]]
+  * [[http://military-fasteners.com|Military Fasteners.com]]
   * [[stick|Stick]]
   * [[.pythonudpserver:|Python UDP Server]]
@@ Line 30: / Line 34: @@
   * [[photointerrupter|Photo Interrupter]]
   * [[levelconverter|Level Converter]]
+  * [[seat|Seat, Ejection Seat]]
+  * [[specs|Specs of A-4 Aircraft]]
+  * [[https://trello.com/b/VUxlpmEm/a-4-simulator|Trello Project Tracking]]
   * [[troubleshooting|Troubleshooting]]
   * [[udp|UDP Notes]]
-  * [[vendors|Vendors of Hardware/Software]]
+  * [[:vendors|Vendors of Hardware/Software]]
   * [[.raspberrypi:|Connor Raspberry Pi computer]]
   * [[flightcontrols|Flight Controls Aileron/Elevator/Rudder]]
@@ Line 48: / Line 55: @@
-==== DAC (Digital to Analog Converter) ====
-Need to be able to output analog voltages to drive steam gauges. So will convert from a value like 3200 feet from the X-Plane simulator, to a voltage like 2.92 V, which will drive the gauge.
-Additionally, for higher-current, in addition to the DAC output, some connections will need a higher output. This will likely require higher current Op-Amps.
-https://www.adafruit.com/product/935 (DAC Chip breakout board)
-==== Quad DAC (Digital to Anlog Convert) MCP4728 ====
-{{:projects:a4sim:22187e.pdf|MCP4728 Data Sheet (Quad DAC)}}
-==== Multiplexing ====
-The Raspberry Pi has two outputs which are I2C, sort of like USB. In order to drive the high quantity of analog outputs, a multiplexing scheme will need to be developed, both in hardware and in software. This is because each device must have a unique address.
-See https://learn.adafruit.com/adafruit-tca9548a-1-to-8-i2c-multiplexer-breakout which uses {{:projects:a4sim:pca9548a-1127514.pdf|PCA9548A}}.
@@ Line 73: / Line 63: @@
 The Arduino can measure an analog signal without any additional components. 10 bits - 0 to 1023 value output.
-==== HT16K33 LED Module ====
-Purchased 3-pack of 8x8 LED modules (all red) with embedded HT16K33 multiplexer. Problem is, the code for this is from an Arduino, and the Arduino must be a Master, which won't work when the Raspberry Pi is the Master.
-  * [[.ht16k33ledmodule:start|More HT16K33 LED Module]]
-  * [[https://www.partsnotincluded.com/electronics/controlling-led-matrix-with-the-ht16k33/|HT16K33 Explanation and Example]] - Unclear, but the example works from Arduino
-Changed code that runs on Raspberry Pi to drive the HT16K33. Arduino not required for this. It does work, but could use some improvement, where it draws lines more than just a dot for the aileron/elevator intersection.
 ==== Boolean analog to digital conversion ====

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