diff --git a/aos/network/BUILD b/aos/network/BUILD
index 89853f0..8f3f394 100644
--- a/aos/network/BUILD
+++ b/aos/network/BUILD
@@ -70,6 +70,7 @@
     ],
     deps = [
         ":team_number",
+        "//aos:configuration",
         "//aos/testing:googletest",
     ],
 )
diff --git a/aos/network/team_number.cc b/aos/network/team_number.cc
index 14fadab..d2fbc8e 100644
--- a/aos/network/team_number.cc
+++ b/aos/network/team_number.cc
@@ -9,6 +9,8 @@
 
 #include "aos/util/string_to_num.h"
 
+DECLARE_string(override_hostname);
+
 namespace aos {
 namespace network {
 namespace team_number_internal {
@@ -101,10 +103,14 @@
 }  // namespace
 
 ::std::string GetHostname() {
-  char buf[256];
-  buf[sizeof(buf) - 1] = '\0';
-  PCHECK(gethostname(buf, sizeof(buf) - 1) == 0);
-  return buf;
+  if (FLAGS_override_hostname.empty()) {
+    char buf[256];
+    buf[sizeof(buf) - 1] = '\0';
+    PCHECK(gethostname(buf, sizeof(buf) - 1) == 0);
+    return buf;
+  } else {
+    return FLAGS_override_hostname;
+  }
 }
 
 uint16_t GetTeamNumber() {
diff --git a/y2020/vision/BUILD b/y2020/vision/BUILD
index 60276c9..b643fcb 100644
--- a/y2020/vision/BUILD
+++ b/y2020/vision/BUILD
@@ -36,6 +36,9 @@
         "//tools:armhf-debian",
     ],
     visibility = ["//y2020:__subpackages__"],
+    data = [
+        "//y2020:config.json",
+    ],
     deps = [
         ":v4l2_reader",
         ":vision_fbs",
diff --git a/y2020/vision/camera_reader.cc b/y2020/vision/camera_reader.cc
index 2615bca..d45ec3f 100644
--- a/y2020/vision/camera_reader.cc
+++ b/y2020/vision/camera_reader.cc
@@ -14,6 +14,11 @@
 #include "y2020/vision/v4l2_reader.h"
 #include "y2020/vision/vision_generated.h"
 
+// config used to allow running camera_reader independently.  E.g.,
+// bazel run //y2020/vision:camera_reader -- --config y2020/config.json
+//   --override_hostname pi-7971-1  --ignore_timestamps true
+DEFINE_string(config, "config.json", "Path to the config file to use.");
+
 namespace frc971 {
 namespace vision {
 namespace {
@@ -523,7 +528,7 @@
 
 void CameraReaderMain() {
   aos::FlatbufferDetachedBuffer<aos::Configuration> config =
-      aos::configuration::ReadConfig("config.json");
+      aos::configuration::ReadConfig(FLAGS_config);
 
   const auto training_data_bfbs = SiftTrainingData();
   const sift::TrainingData *const training_data =
diff --git a/y2020/vision/v4l2_reader.cc b/y2020/vision/v4l2_reader.cc
index f1944c1..91777c7 100644
--- a/y2020/vision/v4l2_reader.cc
+++ b/y2020/vision/v4l2_reader.cc
@@ -6,6 +6,9 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 
+DEFINE_bool(ignore_timestamps, false,
+            "Don't require timestamps on images.  Used to allow webcams");
+
 namespace frc971 {
 namespace vision {
 
@@ -137,8 +140,11 @@
            buffer.m.userptr);
   CHECK_EQ(ImageSize(), buffer.length);
   CHECK(buffer.flags & V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC);
-  CHECK_EQ(buffer.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK,
-           static_cast<uint32_t>(V4L2_BUF_FLAG_TSTAMP_SRC_EOF));
+  if (!FLAGS_ignore_timestamps) {
+    // Require that we have good timestamp on images
+    CHECK_EQ(buffer.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK,
+             static_cast<uint32_t>(V4L2_BUF_FLAG_TSTAMP_SRC_EOF));
+  }
   return {static_cast<int>(buffer.index),
           aos::time::from_timeval(buffer.timestamp)};
 }