HWK Bad Ping Repair

repaired any 2121 chip based HWK repaired hwk´s with errors:
bad bing
error 13
error 16
error 17
NOT CONNECTED
SELF DESTRUCTED!
all hwk´s work now like before

You, have built this circuit the interface powered by USB --> 5V and the regulator gives ~3.6V!. The MSP is 2121. So this interface is workin'! I've tried the hex in BIN format ----> error, but in txt format ---->OK!

1. open msp programmer
2. open hex
3. erase device
4. program device
5. done


click here for download