diff --git a/logger-server/server.ts b/logger-server/server.ts
index dae437038..5f9330142 100644
--- a/logger-server/server.ts
+++ b/logger-server/server.ts
@@ -60,5 +60,5 @@ namespace jacdac {
     }
 
     //% whenUsed
-    export const logger = new LoggerServer()
+    export const loggerServer = new LoggerServer()
 }
\ No newline at end of file
diff --git a/pxt.json b/pxt.json
index a36bf221c..7b367d2f4 100644
--- a/pxt.json
+++ b/pxt.json
@@ -59,7 +59,7 @@
     },
     "public": true,
     "targetVersions": {
-        "target": "3.1.70",
+        "target": "3.1.75",
         "targetId": "microbit"
     },
     "supportedTargets": [
diff --git a/rolemgr.ts b/rolemgr.ts
index d99f28ddf..a734cb8da 100644
--- a/rolemgr.ts
+++ b/rolemgr.ts
@@ -305,7 +305,7 @@ namespace jacdac._rolemgr {
 namespace jacdac {
 
     //% fixedInstance whenUsed block="role manager"
-    export const roleManager = new _rolemgr.RoleManagerServer()
+    export const roleManagerServer = new _rolemgr.RoleManagerServer()
 
     /*
 
diff --git a/routing.ts b/routing.ts
index f4603ed9d..7c6ef9dce 100644
--- a/routing.ts
+++ b/routing.ts
@@ -749,7 +749,7 @@ namespace jacdac {
 
     function doNothing() {}
 
-    class ControlService extends Server {
+    class ControlServer extends Server {
         constructor() {
             super("ctrl", 0)
         }
@@ -885,14 +885,14 @@ namespace jacdac {
         // only try autoBind, proxy we see some devices online
         if (_devices.length > 1) {
             // check for proxy mode
-            jacdac.roleManager.checkProxy()
+            jacdac.roleManagerServer.checkProxy()
             // auto bind
             if (autoBind) {
                 autoBindCnt++
                 // also, only do it every two announces (TBD)
                 if (autoBindCnt >= 2) {
                     autoBindCnt = 0
-                    jacdac.roleManager.autoBind()
+                    jacdac.roleManagerServer.autoBind()
                 }
             }
         }
@@ -1166,8 +1166,8 @@ namespace jacdac {
         log("jacdac starting")
         options = options || {}
 
-        const controlService = new ControlService()
-        controlService.start()
+        const controlServer = new ControlServer()
+        controlServer.start()
         _unattachedClients = []
         _allClients = []
         //jacdac.__physStart();
@@ -1208,13 +1208,13 @@ namespace jacdac {
 
         if (!options.disableLogger) {
             console.addListener(function (pri, msg) {
-                if (msg[0] != ":") jacdac.logger.add(pri as number, msg)
+                if (msg[0] != ":") jacdac.loggerServer.add(pri as number, msg)
             })
-            jacdac.logger.start()
+            jacdac.loggerServer.start()
         }
         if (!options.disableRoleManager) {
-            roleManager.start()
-            controlService.sendUptime()
+            roleManagerServer.start()
+            controlServer.sendUptime()
         }
         // and we're done
         log("jacdac started")
diff --git a/test.ts b/test.ts
index 4fc057021..161e29649 100644
--- a/test.ts
+++ b/test.ts
@@ -39,10 +39,10 @@ function jdpackTest() {
 // pins.A9.digitalWrite(false)
 
 jacdac.consolePriority = ConsolePriority.Log;
-jacdac.roleManager.start()
+jacdac.roleManagerServer.start()
 jacdac.protoTestServer.start()
 jacdac.start()
-jacdac.logger.log("test started")
+jacdac.loggerServer.log("test started")
 modules.identify();
 
 jdpackTest()