Some errors: In https://www.networksfromscratch.com/2.html https://www.networksfromscratch.com/2.html "Remember that when someone presses button 0 the output

Some errors: In https://www.networksfromscratch.com/2.html https://www.networksfromscratch.com/2.html "Remember that when someone presses button 0 the output is set to -5v and when someone presses button 1, the output is set to +5v." This should be 0v, +5v. "We connect two output pins on the letter writer to two input pins to the input pins that were previously connected to the buttons." This sounds really weird.