Search found 4 matches
- Tue Jan 23, 2024 8:27 pm
- Forum: User projects
- Topic: Calculator for learning
- Replies: 4
- Views: 2489
Re: Calculator for learning
If the calculator is to be aimed at learning hardware such as adders, multipliers and logic, then building the calculator from TTL or CMOS 4000 digital circuits is the way to go. If the computer is intended to be more focused on software development such as mathematical calculation algorithms, then ...
- Tue Aug 29, 2023 5:59 pm
- Forum: Digital circuit w/o MCU
- Topic: voltage level translator 5V - 3.3V
- Replies: 1
- Views: 2840
Re: voltage level translator 5V - 3.3V
You can use both methods, resistive divider or IC voltage level shifter. The IC translators are safer and more professional.
- Fri Jul 21, 2023 5:34 pm
- Forum: Components
- Topic: japanese digital circuits
- Replies: 0
- Views: 3208
japanese digital circuits
I'm looking for information on digital circuits manufactured by NEC and Hitachi in the late 1960's. These circuits are commonly used in old digital calculators from the late 60's or early 70's.
- Fri Jul 21, 2023 11:34 am
- Forum: Test instruments
- Topic: Relais Matrix - PSN
- Replies: 4
- Views: 4238
Re: Relais Matrix - PSN
Hi, do you know the control codes for remote control over GPIB?