Available on Tindie
https://www.tindie.com/products/ard...b8701ca&mc_eid=0175803dfe#product-descriptionThis one cheats a little and uses LC displays for output instead of backlit annunciators and seven-segment displays.
https://www.tindie.com/products/ard...b8701ca&mc_eid=0175803dfe#product-descriptionThis one cheats a little and uses LC displays for output instead of backlit annunciators and seven-segment displays.