diff --git a/hardware/README.md b/hardware/README.md
index cdc9bfd..b374c9a 100644
--- a/hardware/README.md
+++ b/hardware/README.md
@@ -4,7 +4,7 @@ Most hardware that has been built has a version number
|Version|Description|Exists/Existed|Flights used on
|----|----|----|----
-|v0.96.0|Original AAA Battery. Flown with modifications to connect tcxo to mcu.|x|UBSEDS3-8?
+|v0.96.0|Original AAA Battery. Flown with modifications to connect tcxo to mcu.|x|UBSEDS3-8?+UBSEDS12
|v0.981.0|Solar Power SPV1040. Flown with modifications simplify power circuit.|x|UBSEDS9
|v0.981.1|Minor fixes|
|v0.982.0|AAA Battery. Never fully populated, used for lab testing.|x|
@@ -26,4 +26,5 @@ Most hardware that has been built has a version number
|v0.986.9|Low Power. 80x80mm Breakout|
|v0.987.0|Low Power. Added 32kHz TCXO RC filters, replaced GPS LDO with MOSFET, remove IMU, vreg on b/out, update SE880 footprint, Watchdog, Radio, filter design
|v0.987.1|Low Power. Switch LF Clock to XOSC32K pin from GCLK_IO[0]. Allows feed to any GCLK. Bit-bang i2c instead|
-|v0.987.2|Low Power. Adjusted 100µF cap from 1210 to 1206
+|v0.987.2|Low Power. Adjusted 100µF cap from 1210 to 1206|x|
+|v0.987.3|Low Power. Added pull-down on WDI
diff --git a/hardware/low-power-side/Parts.md b/hardware/low-power-side/Parts.md
index 9e947be..ca06047 100644
--- a/hardware/low-power-side/Parts.md
+++ b/hardware/low-power-side/Parts.md
@@ -36,7 +36,7 @@
|ERA2AEB433X|PANASONIC ELECTRONIC COMPONENTS - Surface Mount Chip Resistor, Metal Film, AEC-Q200 ERA Series, 43 kohm, 63 mW, ± 0.1%, 25 V|[2324785](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2324785)|1|R9 43k 0.1%
|CPF-A-0402B100KE1|TE CONNECTIVITY - Surface Mount Chip Resistor, Thin Film, AEC-Q200 CPF-A Series, 100 kohm, 62.5 mW, ± 0.1%, 25 V|[2483832](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2483832)|2|R10, R11 100k 0.1%
|CRG0402F100K|TE CONNECTIVITY - Surface Mount Chip Resistor, Thick Film, CRG Series, 100 kohm, 63 mW, ± 1%, 50 V|[2331442](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2331442)|3|R12, R13, R14 100k
-|MCWR04X1004FTL|MULTICOMP - Surface Mount Chip Resistor, Thick Film, MCWR Series, 1 Mohm, 62.5 mW, ± 1%, 50 V|[2447127](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2447127)|2|R15, R16 1M
+|MCWR04X1004FTL|MULTICOMP - Surface Mount Chip Resistor, Thick Film, MCWR Series, 1 Mohm, 62.5 mW, ± 1%, 50 V|[2447127](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2447127)|3|R15, R16, R17 1M
|GRM1555C1H8R2CA01D|MURATA - SMD Multilayer Ceramic Capacitor, GRM Series, 8.2 pF, ± 0.25pF, C0G / NP0, 50 V, 0402 [1005 Metric]|[1828874](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1828874)|2|C1, C3 8.2pF
|MC0402N150J500CT|MULTICOMP - SMD Multilayer Ceramic Capacitor, MC Series, 15 pF, ± 5%, C0G / NP0, 50 V, 0402 [1005 Metric]|[1758945](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1758945)|3|C2, C4, C11 15pF
| C5, C6 | DNP ||| si4xxx rx
diff --git a/hardware/low-power-side/bristol_longshot.brd b/hardware/low-power-side/bristol_longshot.brd
index 8cabd32..f2dd6a1 100644
--- a/hardware/low-power-side/bristol_longshot.brd
+++ b/hardware/low-power-side/bristol_longshot.brd
@@ -166,7 +166,7 @@
UNIVERSITY
-V0.987.2
+V0.987.3
MS5607
Atmel SAMD20
ARM SWD
@@ -3737,6 +3737,7 @@ Covered vias can be set in Masks (Limit).
+
@@ -3804,7 +3805,7 @@ Covered vias can be set in Masks (Limit).
-
+
@@ -4024,6 +4025,9 @@ Covered vias can be set in Masks (Limit).
+
+
+
@@ -4036,9 +4040,8 @@ Covered vias can be set in Masks (Limit).
-
+
-
@@ -4047,8 +4050,10 @@ Covered vias can be set in Masks (Limit).
-
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@@ -4062,10 +4067,13 @@ Covered vias can be set in Masks (Limit).
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@@ -4332,9 +4340,13 @@ Covered vias can be set in Masks (Limit).
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@@ -4746,10 +4758,10 @@ Covered vias can be set in Masks (Limit).
-
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@@ -4759,7 +4771,10 @@ Covered vias can be set in Masks (Limit).
-
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@@ -4804,7 +4819,7 @@ Covered vias can be set in Masks (Limit).
-
+
@@ -4828,9 +4843,9 @@ Covered vias can be set in Masks (Limit).
-
-
-
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+
+
@@ -4944,41 +4959,41 @@ Covered vias can be set in Masks (Limit).
-
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@@ -4987,87 +5002,87 @@ Covered vias can be set in Masks (Limit).
-
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@@ -5076,23 +5091,23 @@ Covered vias can be set in Masks (Limit).
-
-
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-
+
@@ -5108,8 +5123,8 @@ Covered vias can be set in Masks (Limit).
-
+
@@ -5118,27 +5133,29 @@ Covered vias can be set in Masks (Limit).
-
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@@ -5147,17 +5164,15 @@ Covered vias can be set in Masks (Limit).
-
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diff --git a/hardware/low-power-side/bristol_longshot.brd.pdf b/hardware/low-power-side/bristol_longshot.brd.pdf
index 72ae678..eb50514 100644
Binary files a/hardware/low-power-side/bristol_longshot.brd.pdf and b/hardware/low-power-side/bristol_longshot.brd.pdf differ
diff --git a/hardware/low-power-side/bristol_longshot.brd.png b/hardware/low-power-side/bristol_longshot.brd.png
index ccb879d..bbb21a6 100644
Binary files a/hardware/low-power-side/bristol_longshot.brd.png and b/hardware/low-power-side/bristol_longshot.brd.png differ
diff --git a/hardware/low-power-side/bristol_longshot.sch b/hardware/low-power-side/bristol_longshot.sch
index b3a9709..aced663 100644
--- a/hardware/low-power-side/bristol_longshot.sch
+++ b/hardware/low-power-side/bristol_longshot.sch
@@ -8589,6 +8589,8 @@ Metric Code Size 5664
+
+
@@ -8672,6 +8674,9 @@ t_WD = 1.12-2.4s
Icc = 5µA nominal at 1.8V
Icc = 10µA max
Icc = 10µA max
+Pull-down to ensure
+watchdog bites if WDI
+left floating pre-init
@@ -8844,6 +8849,8 @@ t_WD = 1.12-2.4s
+
+
@@ -9178,6 +9185,10 @@ t_WD = 1.12-2.4s
+
+
+
+
@@ -9553,8 +9564,12 @@ t_WD = 1.12-2.4s
-
+
+
+
+
+
diff --git a/hardware/low-power-side/bristol_longshot.sch.pdf b/hardware/low-power-side/bristol_longshot.sch.pdf
index 3a5908c..7d00824 100644
Binary files a/hardware/low-power-side/bristol_longshot.sch.pdf and b/hardware/low-power-side/bristol_longshot.sch.pdf differ
diff --git a/hardware/low-power-side/bristol_longshot.sch.png b/hardware/low-power-side/bristol_longshot.sch.png
index 7ffc3fa..fecb5fd 100644
Binary files a/hardware/low-power-side/bristol_longshot.sch.png and b/hardware/low-power-side/bristol_longshot.sch.png differ
diff --git a/hardware/low-power-side/parts b/hardware/low-power-side/parts
index b5229f0..a5912c0 100644
--- a/hardware/low-power-side/parts
+++ b/hardware/low-power-side/parts
@@ -36,7 +36,7 @@
2324785 1 R9 43k 0.1%
2483832 2 R10, R11 100k 0.1%
2331442 3 R12, R13, R14 100k
-2447127 2 R15, R16 1M
+2447127 3 R15, R16, R17 1M
1828874 2 C1, C3 8.2pF
1758945 3 C2, C4, C11 15pF
| C5, C6 | DNP ||| si4xxx rx