Bats use echolocation to see objects in front of them. They emit an ultrasonic pulse around 20 kHz (and up to 100 kHz) and then sense the pulses as they reflect off an object and back to the bat. It’s ...

The 74HC/HCT161 are presettable synchronous 4-bit binary counters with asynchronous reset. These devices are high speed silicon-gate CMOS devices that are pin compatible with low power Schottky TTL ...

This document is a leaflet of NXP 74LVC169 demonstration board. This demonstration provides an easy evaluation of the 74LVC169, a binary counter with internal look-ahead carry circuitry designed for ...

CISSOID is launching CHT-74-4040, a new member of its GALAXY digital product family. CHT-74-4040 is a 12-stage asynchronous binary counter, that can be used for instance as a frequency divider with a ...

Presented with a rotary sensor challenge, I needed a divide-by-13 for a pulse stream. The correct answer was to programme an 8pin ATtiny85 to do the job, but I didn’t want to be distracted by ...

We’ve seen a great many cat feeders over the years. Some rely on the Internet of Things, and some rely on fancy microcontrollers. [Larry Cook], on the other hand, built his using a simple 4060 binary ...