electronics logo

phone busy

Phone Busy Indicator


This simple circuit gives a clear indication when the phone is use - handy for those who still need dial-up for Internet access.


clock module

Tiny Real Time Clock (RTC) I2C module - DS1307 AT24C32 TE187


An article on a DS1307 based I2C module which can be used with Arduino programmable microcontrollers. These seem to be sold with non-rechargeable batteries, but charging circuitry for rechargeable batteries, which means some work is needed to improve the battery utilization.


BBC News - Technology RSS feed

Lego Fortnite: Gaming giant launches Minecraft rival
07/12/2023 12:48 PM
Facebook and Messenger to automatically encrypt messages
07/12/2023 12:06 PM
The Game Awards 2023: How orchestra chief makes the famous medley
07/12/2023 12:30 PM
ChatGPT tool could be abused by scammers and hackers
07/12/2023 12:04 AM
Meta is child abuse 'breeding ground', lawsuit claims
06/12/2023 07:14 PM
Google claims new Gemini AI 'thinks more carefully'
06/12/2023 04:09 PM
Bitcoin rally: Is El Salvador's Bitcoin bet paying off?
06/12/2023 02:01 PM
Sony debuts first PS5 controller for disabled gamers
06/12/2023 01:55 PM
GTA 6: Streams soar for 70s rocker Tom Petty thanks to trailer
06/12/2023 04:23 PM
23andMe: Profiles of 6.9 million people hacked
05/12/2023 01:48 PM

Website by Neo   -   Hosted by Kieran O'Shea