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Making the Electronics for a 24GHz Doppler Motion Sensor

From www.limpkin.fr 6 years ago in Blogs

I couldn't believe my eyes when I saw how tiny that sensor is! The Doppler Effect I'm sure you're quite familiar with the Doppler effect: you send an RF signal at a given frequency to a target, and if this object/person is moving the reflected signal's frequency will be shifted....

Articles from Limpkin’s blog

The IN-9 Nixie Clock

From www.limpkin.fr 1 year ago in Blogs

A 60 Nixie tubes contraption that I postponed for 5 years... Introduction It has been three years since my last blog post, and four years since my last published project.... time flies! As you may have guessed, most of this...

Radiation Pattern Measurements in an RF Anechoic Chamber

From www.limpkin.fr 4 years ago in Blogs

Very few are lucky enough to use such a piece of equipment... so I figured I'd share this experience with you! Let me first start this write-up by apologizing for the lack of recent articles. As you can imagine, I've...

Project In A Day: When Is My Next Bus?

From www.limpkin.fr 6 years ago in Blogs

Made using only components from my stock ! Why This Project? For once, this project was not for me... it was for my wife ! Every morning she takes the bus then train to go to work. If she misses...

Project In A Day: When Is My Next Bus?

From www.limpkin.fr 6 years ago in Blogs

Made using only components from my stock ! Why This Project? For once, this project was not for me... it was for my wife ! Every morning she takes the bus then train to go to work. If she misses...

Making the Electronics for a 24GHz Doppler Motion Sensor

From www.limpkin.fr 6 years ago in Blogs

I couldn't believe my eyes when I saw how tiny that sensor is ! The Doppler Effect I'm sure you're quite familiar with the Doppler effect: you send an RF signal at a given frequency to a target, and if...

A Mass Programming Bench for ATMega32u4 MCUs

From www.limpkin.fr 6 years ago in Blogs

Or how to try to spend as little time as possible programming several thousands MCUs.... Why.... Just Why? As you may know I started the Mooltipass offline password keeper project more than 2 years ago. Together with a team of...

A Mass Programming Bench for ATMega32u4 MCUs

From www.limpkin.fr 6 years ago in Blogs

Or how to try to spend as little time as possible programming several thousands MCUs.... Why.... Just Why? As you may know I started the Mooltipass offline password keeper project more than 2 years ago. Together with a team of...

A Small Collection of NodeMCU Lua Scripts

From www.limpkin.fr 7 years ago in Blogs

I usually never use libraries... but made an exception for these quick projects ! I'm pretty sure that most people reading this very article know about the (very) cheap ESP8266 Wifi module. A bit more than a year ago, I...

A Small Collection of NodeMCU Lua Scripts

From www.limpkin.fr 7 years ago in Blogs

I usually never use libraries... but made an exception for these quick projects ! I'm pretty sure that most people reading this very article know about the (very) cheap ESP8266 Wifi module. A bit more than a year ago, I...

High Voltage Power Supply for Nixie Tubes

From www.limpkin.fr 7 years ago in Blogs

It's always fun playing with dangerous voltages ! The Idea For quite a while I've had this project idea in the back of my head that would involve using many Nixie tubes. These funny looking cold cathode displays were actually...

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