Sub-miniature Rubidium oscillator offers 1,000x better stability
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Sub-miniature Rubidium oscillator offers 1,000x better stability

As demand grows, precision and reliability in Global Navigation Satellite Systems (GNSS) is critical. With 5G networks on the rise, small, high-performing atomic clocks are becoming increasingly essential. Suntsu’s newest oscillator comes in a dimension of 50.8mm x 50.8mm that uses an...

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7-segment Mini Clock using PIC16F628A and DS1307 RTC
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7-segment Mini Clock using PIC16F628A and DS1307 RTC

This is a minimal and small clock based on PIC16F628A microcontroller and DS1307 RTC IC. It is able to only show the time on a small 7-segment display with a total of 4 segments. The display we used is a 0.28″ SR440281N RED common cathode display bought from LCSC.com, but you can use...

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Elektor Article: DCF77 Emulator with ESP8266
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Elektor Article: DCF77 Emulator with ESP8266

Replace over-air time by Internet time About twenty years ago I recycled and modernised a vintage clock with Nixie tubes built by my father in the nineteen seventies. I replaced the digital logic by a microcontroller and used a DCF77 receiver module instead of the original 50-Hz...

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Driving multiple loads with 32 kHz Nano-Power MEMS oscillators
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Driving multiple loads with 32 kHz Nano-Power MEMS oscillators

Driving multiple loads from a single oscillator output discussed in this app note from SiTime. Optimizing board space and managing power consumption of wearable devices is critical in sustaining competitiveness within this fast growing consumer segment. With less power consumed,...

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NIXLER: limited edition nixie tube clock
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NIXLER: limited edition nixie tube clock

The NIXLER is being built as an open-source project and designed with the DIYer in mind. I've included a USB to UART chip directly on the board making the NIXLER easy to reprogram. This together with the onboard ESP32 microcontroller with wifi/bluetooth, enables full customization. Hook...

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Miniature Atomic Clock (MAC – SA5X) is only 2 x 2″
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Miniature Atomic Clock (MAC – SA5X) is only 2 x 2″

Miniature Atomic Clock (MAC - SA5X) Rubidium Oscillator, re-designed for improved stability and new features. The MAC-SA5X is designed for applications that require long-term atomic oscillator stability, but are constrained by size and low power requirements. Versatile Microchip’s...

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Big digit 7-segment Clock using ATtiny3216
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Big digit 7-segment Clock using ATtiny3216

This is a giant digital clock, featuring four large LED displays that provide the time in a format you can read from the other side of the room. by David Johnson-Davies: This clock was inspired by some 2.3" one-digit 7-segment displays I saw on AliExpress [1]. I decided it would be fun...

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Inside the digital clock from a Soyuz spacecraft
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Inside the digital clock from a Soyuz spacecraft

Ken Shirriff published an interesting article on his blog. He writes: We recently obtained a clock that flew on a Soyuz space mission.1 The clock, manufactured in 1984, contains over 100 integrated circuits on ten circuit boards. Why is the clock so complicated? In this blog post, I...

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