tools lessons (#1218)

* tools lessons

* updated summary

* more images

* wire up images

* fixing radio send-value

docs/reference/radio/send-value.md

@@ -32,7 +32,6 @@ Then it shows them on the LED screen.
 ```blocks
 radio.setGroup(99)
 radio.onReceivedValue(function (name, value) {
-radio.onDataPacketReceived(({ name, value }) => {
 	basic.showString(name);
     basic.showNumber(value);
 });