diff --git a/.circleci/config.yml b/.circleci/config.yml
index 23b37cf..51ee025 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,13 @@
 # Use the latest 2.1 version of CircleCI pipeline process engine.
 # See: https://circleci.com/docs/configuration-reference
 version: 2.1
-
+parameters:
+  run_build:
+    type: boolean
+    default: false
+  environment:
+    type: string
+    default: "m5-atom"
 orbs:
   python: circleci/python@1.4.0
 
@@ -12,6 +18,8 @@ jobs:
     executor: python/default
     # Add steps to the job
     # See: https://circleci.com/docs/configuration-reference/#steps
+    environment:
+
     steps:
       - checkout
       - run:
@@ -19,11 +27,12 @@ jobs:
           command: "pip install --upgrade platformio"
       - run:
           name: "build"
-          command: "pip run"
+          command: "pip run -e << pipeline.parameters.environment >>"
 
 # Orchestrate jobs using workflows
 # See: https://circleci.com/docs/configuration-reference/#workflows
 workflows:
   build-workflow:
+    when: << pipeline.parameters.run_build >>
     jobs:
       - pio-build