diff --git a/internal_osc.conf b/internal_osc.conf
new file mode 100644
index 0000000..86f6a47
--- /dev/null
+++ b/internal_osc.conf
@@ -0,0 +1,4 @@
+# use internal 32kHz oscillator
+CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
+# select desired accuracy (more calibrations would be nececcary if smaller) - I think the 32KHz oscillator is only needed for receive
+CONFIG_CLOCK_CONTROL_NRF_K32SRC_250PPM=y
diff --git a/readme.md b/readme.md
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index 0000000..c56df3a
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,4 @@
+# flash nrf52dongle
+- build with dongle build target (dont forget dongle .conf file) 
+- nrfutil install nrf5sdk-tools 
+- source flash_dongle.sh
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