HowTo: Output Tester for 595 and Renard boards
(
Wayne James)
Step 3 : Making the tester
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Being that this board is really small I made it here on my desk. Use EXTREME caution working with Ferric Chloride! A small tank from a tic tac box, saftey bowl of a discarded D size battery package and a medicine cup for a water dip cup. The best thing I have found for dipping pcb's in the acid is the twist ties that come with garbage bags. Just drill a 1/16 or bit bigger hole in the board to put the twist tie through.
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