diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..96088ad
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,23 @@
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+firmware/[Rr]elease/
+firmware/[Dd]ebug/
+kicad/pcb-heater/*-backups/