diff --git a/package.json b/package.json
index 124e76e..6f76c03 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
   },
   "dependencies": {
     "async": "^2.6.1",
+    "esptool-wrapper": "^1.0.4",
     "serialport": "^6.2.2",
     "tape": "^4.9.1",
     "testbed-query-fixtures": "^1.0.0"
diff --git a/test/lora32/main/main.c b/test/lora32/main/main.c
index 7467b83..071cedd 100644
--- a/test/lora32/main/main.c
+++ b/test/lora32/main/main.c
@@ -121,9 +121,11 @@ void set_mode(void *args) {
 }
 
 void send(void *args) {
-  ESP_LOGI(TAG, "sending: %s\n", (char*)args);
+  ESP_LOGI(TAG, "sending: %s", (char*)args);
 
   lora32_send(&lora, (uint8_t *)args, 12);
+
+  ESP_LOGI(TAG, "done");
 };
 
 void set_spreadfactor(void *args) {
diff --git a/test/test.js b/test/test.js
index 20ceecb..30c9ead 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,4 +1,5 @@
 var async = require("async");
+var esptool = require("esptool-wrapper");
 var homedir = require("homedir")();
 var spawn = require("child_process").spawn;
 var SerialPort = require("serialport");
@@ -6,8 +7,6 @@ var path = require("path");
 var test = require("tape");
 var testbed = require("testbed-query-fixtures");
 
-const exec = path.join(process.env.IDF_PATH, "components", "esptool_py", "esptool", "esptool.py");
-
 const buildPath = path.join(__dirname, "lora32", "build");
 
 try {
@@ -31,41 +30,39 @@ if(devices.length < 2) {
 const TB_DEV1 = devices[0].DEVNAME;
 const TB_DEV2 = devices[1].DEVNAME;
 
-var args = [
-	"--chip",
-	"esp32",
-	"--baud",
-	"460800",
-	"--before",
-	"default_reset",
-	"--after",
-	"hard_reset",
-	"write_flash",
-	"-z",
-	"--flash_mode",
-	"dio",
-	"--flash_freq",
-	"40m",
-	"--flash_size",
-	"detect",
-	"0x1000",
-	path.join(buildPath, "bootloader/bootloader.bin"),
-	"0x10000",
-	path.join(buildPath, "lora32.bin"),
-	"0x8000",
-	path.join(buildPath, "partitions_singleapp.bin")
-];
+var testBins = {
+	0x1000: path.join(buildPath, "bootloader/bootloader.bin"),
+	0x8000: path.join(buildPath, "partitions_singleapp.bin"),
+	0x10000: path.join(buildPath, "lora32.bin")
+};
 
 function flash(port, cb) {
+  var argsReset = [
+    "--before",
+    "default_reset",
+    "--after",
+    "hard_reset"
+  ];
+
+  var argsWriteFlash = [
+    "-z",
+    "--flash_mode",
+    "dio",
+    "--flash_freq",
+    "40m",
+    "--flash_size",
+    "detect"
+  ];
+
   console.log("Flashing devices at %s", port);
 
-  var cp = spawn(exec, ["--port", port].concat(args));
-
-  cp.on("exit", function(code) {
-    console.log("%s\nexited: %d", port, code);
-
-    cb(code === 0 ? null : new Error("exited non-zero: " + code));
-  });
+  esptool({
+    port: port,
+    baud: 460800,
+    files: testBins,
+    args: argsReset,
+    cmdArgs: argsWriteFlash
+  }, cb);
 }
 
 function toggleReset(sp) {