ESP8266 Desktop Clock – WiFi Synchronised
Timer

ESP8266 Desktop Clock – WiFi Synchronised

This project is a wifi synchronised desktop clock using 7-segment displays. The heart of the project is a ESP8266 board. The ESP8266 is a awesome chip; with integrated WiFi, 80MHz clock speed, total 160kb RAM, 512kb of flash memory, and a ton of other features, it makes a regular...

Continue Reading
3748
Views
0 Comments
Ultra Low-Power (35nA!) Programmable Timer using TI TPL5111
Timer

Ultra Low-Power (35nA!) Programmable Timer using TI TPL5111

Ultra Low-Power (35nA!) Programmable Timer using TI TPL5111. Imagine a system for example that has to work from a small coin cell for 5-10 years. TPL5111 solves a typical problem in low power wireless systems- things need to be off most of the time, and wake up periodically to...

Continue Reading
3339
Views
0 Comments
T-baneklokke – A Coundown clock
ArduinoTimer

T-baneklokke – A Coundown clock

Joakim made a coundown clock for his wife and documented the whole process on his blog: The clock is built using an Arduino, and has a battery powered real time clock to remember the time while powered off. To make it truly stand alone I added the possibility to set the time and...

Continue Reading
2673
Views
0 Comments
Fluke/Philips PM66xx Frequency Counter OCXO Upgrade
Timer

Fluke/Philips PM66xx Frequency Counter OCXO Upgrade

In this post Dan Watson documents an OCXO upgrade board he designed for the Fluke/Philips PM66xx line of frequency counters. A few months ago I purchased a Philips PM6674 frequency counter on eBay. It's an older 9 digit counter with two channels that has a maximum input frequency of...

Continue Reading
3769
Views
0 Comments
DS1307 RTC Module
Timer

DS1307 RTC Module

The module based on DS1307, The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Address and data are transferred serially through an I²C, bidirectional bus. The clock/calendar provides seconds, minutes,...

Continue Reading
3474
Views
0 Comments
OpenSource Arduino OLED Clock with temperature measurement
ArduinoTimer

OpenSource Arduino OLED Clock with temperature measurement

Konstantin Dimitrov has published his Arduino OLED clock which uses DS1307 real time clock module and TMP102 temperature sensor that communicate through I2C. This clock will not only show you exact time and date but also it will show you the ambient temperature in both Fahrenheit...

Continue Reading
7159
Views
0 Comments
MSP430 VFD Clock
Timer

MSP430 VFD Clock

Daniel Johnson @ danielelectronics.com has build a VFD Tube Clock based on MSP430 microcontroller and explains it's code. I wanted to do a follow-up to my last clock build, the MSP430 Analog Gauge Clock, reusing some of the code from that project, and I had an IV-18 vacuum...

Continue Reading
4357
Views
0 Comments
Power ON Delay Switch
Timer

Power ON Delay Switch

Power-ON Delay Switch which can be used in all applications requiring a delay during power-on from 1 to 60 seconds. Specifications Supply input 5 VDC Relay output SPDT relay Relay specification 5 A @ 250 VAC Preset adjustable range function Power-On LED...

Continue Reading
4810
Views
0 Comments
Archives