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“Learn how to build a really cool persistence of vision display for $1. Story PoV Display with ATtiny13 for $1 I was browsing through AliExpress sometime back and this particular listing caught my attention. 5 Pcs of ATtiny13 microcontrollers for …
“Good afternoon, dear viewers and readers. In todays article, I will show you the universal microphone amplifier based on the microcircuit NE5532. The microphone amplifier schematic diagram and printed circuit board (PCB) were developed in Easy EDA online environment. The …
“Another Pmod based on RN4871 BLE module (just like Digilent Pmod BLE). Almost an exact copy of Digilent’s Pmod BLE but this design includes the signal names on bottom in case you want to use Dupont cables instead of …
“So what is this thing? Basically it’s a handheld device that allows you to “hear” RF sources. Regular rf receivers single out a particular frequency and decode it into some type of information. This device on the other hand …
“This tiny project is a smaller version of another project I made roughly six months ago. The other project was fun, but I had a couple of hardware and user issues that bugged me. Besides the bugs from the previous …
“This demonstration circuit is an active rectifier with reverse protection for batteries in automotive applications. The project is designed for 5A load current. Two clamping diodes, D1 and D2, are used on the board to protect the IC from overvoltage …
“A jumperless breadboard breadWare is a prototyping tool where jumper connections can be made by sending commands from a computer instead of placing physical wires. The onboard ATmega4809 can also read and write any analog (±9V) voltage to anywhere on …
“Meet deej! deej is a physical voulume mixer. Just like the volume mixer built into windows, just physical! This means that you can change the volume of an application without closing your important game. You can turn the game volume …
“DC-DC Buck Converter to step down voltages from 55V max to 1.2V-55V We often need to supply our circuits with some specific amount of voltage to our circuits like a 5V DC circuit powering microcontrollers like Arduino. These …
“Make a water level indicator without using any microcontroller or programming. Just with simple electronic components! We have seen many DIY water level indicators which are made using Arduino UNO or any other microcontrollers. This adds up to the list …