diff --git a/firmware/src/tmag5273.c b/firmware/src/tmag5273.c
index 4154b6d..30bf8be 100644
--- a/firmware/src/tmag5273.c
+++ b/firmware/src/tmag5273.c
@@ -111,6 +111,14 @@ bool tmag5273_is_present()
     return false;
 }
 
+bool tmag5273_change_addr(uint8_t i2c_addr)
+{
+    tmag5273_write_reg(0x0c, (i2c_addr << 1) | 0x01);
+    instances[current_instance].addr = i2c_addr;
+    uint8_t new_addr = tmag5273_read_reg(0x0c) >> 1;
+    return new_addr == i2c_addr;
+}
+
 bool tmag5273_init_sensor()
 {
     tmag5273_write_reg(0x03, 0x01 << 2); // Enable angle calculation
diff --git a/firmware/src/tmag5273.h b/firmware/src/tmag5273.h
index eef6d7e..26ef039 100644
--- a/firmware/src/tmag5273.h
+++ b/firmware/src/tmag5273.h
@@ -15,6 +15,8 @@
 void tmag5273_init(unsigned instance, i2c_inst_t *i2c_port, uint8_t i2c_addr);
 void tmag5273_use(unsigned instance);
 bool tmag5273_is_present();
+bool tmag5273_change_addr(uint8_t i2c_addr);
+
 bool tmag5273_init_sensor();
 
 uint8_t tmag5273_read_reg(uint8_t addr);