diff --git a/tests/platform/channel_knob_test.c b/tests/platform/channel_knob_test.c
new file mode 100644
index 00000000..4fcd5323
--- /dev/null
+++ b/tests/platform/channel_knob_test.c
@@ -0,0 +1,42 @@
+/***************************************************************************
+ * Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
+ * Niccolò Izzo IU2KIN, *
+ * Frederik Saraci IU2NRO, *
+ * Silvano Seva IU2KWO *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, see *
+ ***************************************************************************/
+
+#include
+#include
+#include
+#include
+#include
+
+int main()
+{
+ platform_init();
+
+ gpio_setMode(CH_SELECTOR_0, INPUT_PULL_UP);
+ gpio_setMode(CH_SELECTOR_1, INPUT_PULL_UP);
+
+ while(1)
+ {
+ iprintf("%d %d\r\n", gpio_readPin(CH_SELECTOR_0),
+ gpio_readPin(CH_SELECTOR_1));
+ delayMs(1000);
+ }
+
+ return 0;
+}
diff --git a/tests/platform/volume_knob_test.c b/tests/platform/volume_knob_test.c
new file mode 100644
index 00000000..23dee7c4
--- /dev/null
+++ b/tests/platform/volume_knob_test.c
@@ -0,0 +1,39 @@
+/***************************************************************************
+ * Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
+ * Niccolò Izzo IU2KIN, *
+ * Frederik Saraci IU2NRO, *
+ * Silvano Seva IU2KWO *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, see *
+ ***************************************************************************/
+
+#include
+#include
+#include
+#include
+#include
+
+int main()
+{
+ platform_init();
+
+
+ while(1)
+ {
+ printf("%f\r\n", platform_getVolumeLevel());
+ delayMs(500);
+ }
+
+ return 0;
+}