Integrated Circuit Testers are devices that are used to test logic integrated circuits by sending pulses to their pins according to the truth table associated with the chip under test. In general, the ...
This is a TTL Data logger that writes the data to an SD-Card. The used hardware is a Arduino UNO and a micro SD-Card adapter (OPEN-SMART microSD Card Adapter). The wiring between the SD-Card adapter ...
At the heart of many amateur radio and other projects lies the VFO, or Variable Frequency Oscillator. Decades ago this would have been a free-running LC tuned circuit, then as technology advanced it ...