![]() ![]() Jesse Farrell has added a new log for "High" Bandwidth - Current Sense Amplifier.In this article you will learn how to make a digital clock using Arduino and the DS1307 RTC IC.Jesse Farrell has updated the project titled "High" Bandwidth - Current Sense Amplifier.axelroarings liked An intercom system from rotary telephones.Ken Yap wrote a comment on Time is relative-wrist watch.Steph liked Talkboy Ultra: An AI Powered Voice Changing Toy.BaumInventions liked Talkboy Ultra: An AI Powered Voice Changing Toy.Jesse Farrell has updated components for the project titled "High" Bandwidth - Current Sense Amplifier.Jesse Farrell has updated details to "High" Bandwidth - Current Sense Amplifier. ![]() Capt McAllister on Get Back Your Replaceable Batteries, Thanks To The EU.ian 42 on Get Back Your Replaceable Batteries, Thanks To The EU.metalman on Get Back Your Replaceable Batteries, Thanks To The EU.Olivier on These Illusions Celebrate Exploiting Human Senses.Tim on 3D Printering: Treating Filament Like Paint Opens Wild Possibilities.Dale on Get Back Your Replaceable Batteries, Thanks To The EU.Nick on 3D Printering: Treating Filament Like Paint Opens Wild Possibilities.Ostracus on Get Back Your Replaceable Batteries, Thanks To The EU.New Wearable Detects Imminent Vocal Fatigue 2 Comments The cost of the uC is irrellevant compared to the rest of the hardware / time. ![]() It is not a commercial project of which a million units are made. In post #32 there is a clear expanation of how it works, together with a bunch of screenshots from Sigrok / Pulseview.Ī hobbyist certainly will not outgrow the STM32F103 family quickly, and small projects like this are perfect for getting familiar with it. This results in a waste of time and frustration, and all for maybe trying to shave EUR 0.50 off of the BOM.Īnd all the while they do not have extra pins for debugging purposes.Įxtra I/O pins for debugging with a Logic Analsyer is an extremely helpfull while searching for software bugs. A month later the few KB of Ram or Flash they have is filled and they need to switch uC for their project. I also see lots of beginners on avrfreaks (for example) who start with a small 8pin tiny AVR and then have to add shift registers or I/O expanders because they run out of pins. Posted in Arduino Hacks, LED Hacks Tagged clock, lcd, led Post navigation I’m not sure if you would want to attach your expensive camera lenses to a home-made projector like this, but it’s good to have the option if you have a dead E-mount lens that you were going to tear apart for parts anyway. has released all of the files he created for the project, including a number of options for the case that can use C-mount and Sony E-mount lenses. His project has room to grow as well: it runs from an Arduino compatible STM32 that could handle many things other than showing the time if you were inclined to expand the project further. He does a nice job of laying out his thinking in this design, showing how he calculated the projection path and made other decisions. ![]() Cheap is the order of the day here, and succeeded admirably, creating a design that can be made with a couple of cheap PCBs, a 3D printer and the other parts mentioned above. There are plenty of cheap projection clocks available, but as points out in this project, where’s the fun in just buying something? He set out to build a cheap projection clock using a small LCD screen, a cheap LED backlight, and a cheap lens. ![]()
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