Bradley Slattery has returned to Kickstarter once again to launch his latest electronic device in the form of the Digirule 1A and 2A interactive binary rulers, designed to enable owners to program in ...
The circuit was designed to divide the frequency of a TTL compatible square wave signal which can be programmed with the use of three 7490 to perform the required operation. 7430 – an 8-input NAND ...
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