I am writing to see if anybody knows of a suitable replacement for the ZTX614 transistor driving the IR transmittion circuit. I can't find any easily available in the UK and was wondering if there are any other NPN Darlington transistors that can (...) (27 years ago, 24-Nov-97, to lugnet.robotics.handyboard)
(...) I am currently arranging a supply of the ZTX614, when they are available I will post the price to the list, hopefully early next week. I also supply the Handyboard in the UK at £19-50 for the set (main board and charger/if) including first (...) (27 years ago, 27-Nov-97, to lugnet.robotics.handyboard)
