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Safety-Shutter-Circuit
Circuit to Close shutter if too much light gets into dewar.
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Update schematic to reflect new wiring of "power" indicator to "fault" indicator
#34
eraticus
opened
6 years ago
0
Need second schematic for the open collector buffer circuit.
#33
eraticus
closed
6 years ago
1
Update BOM for diode circuit
#32
eraticus
closed
6 years ago
1
Gain of diode circuit too high
#31
eraticus
opened
6 years ago
1
Program: Need to document protocol
#30
eraticus
closed
6 years ago
2
BOX: toggles and lights need to be labeled
#29
eraticus
closed
6 years ago
1
Screw ADC boards into enclosure
#28
eraticus
closed
6 years ago
1
Should Threshold voltage be buffered
#27
eraticus
closed
6 years ago
1
Box: figure out how to tighten bulkhead receptacles.
#26
eraticus
opened
6 years ago
1
Documentation: describing how plugs and receptacles are wired
#25
eraticus
opened
6 years ago
0
Documentation: Add descriptions of how each part works and connects together
#24
eraticus
closed
6 years ago
1
BOX: Use extra Toggle for POWER switch
#23
eraticus
closed
6 years ago
2
BOX: Change "power" indicator to "fault" indicator
#22
eraticus
closed
6 years ago
4
Add ICP header to board
#21
eraticus
closed
6 years ago
1
Schematic: Add USB driver header board footprint to board
#20
eraticus
closed
6 years ago
1
Schematic: Add screw terminals for front panel switches
#19
eraticus
closed
6 years ago
1
use spare 0.1inch screw terminal to SPI lines on main board
#18
eraticus
closed
6 years ago
1
Need more 8 conductor DIN bulkheads and plugs for ADC to photodiode wiring
#17
eraticus
closed
6 years ago
5
Replace 12V regulator with switched buck regulator
#16
eraticus
closed
6 years ago
2
Test Led current levels, and choose appropriate resistors
#15
eraticus
closed
6 years ago
1
Figure out drill pattern for aluminum case
#14
eraticus
closed
6 years ago
1
Replace large 2.5mm pitch screw terminals with smaller 0.1 inch pitch screw terminals
#13
eraticus
closed
7 years ago
1
Digikey might have sent us wrong barrel power connector
#12
eraticus
closed
6 years ago
2
Put each "module" of the Shutter design onto a perfboard prototype
#11
eraticus
closed
7 years ago
1
TEST output of receiver when transmitter is not enabled, and outputs are tristate
#10
eraticus
closed
7 years ago
1
Install MCP3008 10 bit ADC
#9
meyerjohn
closed
7 years ago
1
Wire up DPDT switch to FTDI board and MAX3222 board
#8
meyerjohn
closed
7 years ago
1
Connect and test DB9 connector
#7
meyerjohn
closed
7 years ago
1
Design and test photodiode circuit
#6
meyerjohn
closed
7 years ago
1
Design NAND SR-Latch with avoidance of forbiden 00 state
#5
meyerjohn
closed
7 years ago
1
Find values for photodiode
#4
meyerjohn
closed
7 years ago
1
Find appropriate ADC with interrupt pin
#3
meyerjohn
closed
7 years ago
1
Create and test chopper amp noninverting circuit
#2
meyerjohn
closed
7 years ago
1
Documentation: Create spreadsheet for stability and gain calculations for candidate op amps
#1
meyerjohn
closed
6 years ago
2