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STM32 E22900T22D LoRa Transceiver Module and Range Test
Useful Electronics Mar 31,2023
https://youtu.be/fPgSf5HOfO8In this tutorial, two STM32 micro-controllers are exchanging data wirelessly over LoRa using E22900T22D module that is interfaced over UART. The MCUs are exchanging dummy data to toggle onboard LED as an indication for ongoing wireless communication. Outdoor wireless mid-range (around 1000m) communication test was also conducted where no packet loss over LoRa was observed. E22900T22D Module which uses SX1262, parameters configuration, its interface packets are discuss...
ESP8266 ESP32 Arduino
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Relay Board
Simple Electronics Mar 30,2023
I was unsatisfied with the generic relay PCBs on the market - so I made my own!You will also need these:Screw Terminals 8.25mm 4-pin:Aliexpress: https://s.click.aliexpress.com/e/_DEllxavFuse Holders:Aliexpress: https://s.click.aliexpress.com/e/_DE4Bvul12v Relays:Aliexpress: https://s.click.aliexpress.com/e/_Dn1DrodCanada: https://amzn.to/40OHQE6USA/World: https://amzn.to/3KmyLgGAutomotive Fuses (mini size):Aliexpress: https://s.click.aliexpress.com/e/_Dln7wgZCanada: https://amzn.to/3KjQsx7USA/Wo...
Arduino Board Development Board
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Ultra-Tiny Solution of Daily Activities ??Recognition
AlexMiller112 Mar 30,2023
IntroDespite the incredible variety of wearable devices today, most of the AI features come down to merely defining very simple actions. They determine whether one is running or sleeping, they count the steps, and they determine if one falls.It seems to me that we are ready for much more complex analytics from our devices. What if they could recognize more specific, similar, and complex activities? It would open up the never-before-seen possibility of creating a great many new interesting applic...
Arduino IOT Sensor
866
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GREEN LANTERN with reed switch
Arnov sharma Mar 28,2023
Hey everyone, what's up?Now here's something very cool: a completely handmade green lantern lantern.It makes use of an Attiny85 connected to 20 WS2812 LEDs whose color is changed by a reed switch; when a magnetic field is applied to the reed switch, the color of the LEDs changes.The sole objective of this project is to test an idea: what would happen if we placed a magnet inside a 3D-printed ring and used a reed switch to change the color of the LEDs when the reed switch detected a magnetic fiel...
3D printing SLA Arduino
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ATMEGA4808 Development Card in Arduino Form Factor
MakerIoT2020 Mar 27,2023
ATMEGA4808 – An Improvement on my previous design? Or Not…Atmega4808 Development Card in Acrylic ShellWhen I first started playing around with the ATMEGA4808, I was impressed as well as disappointed by the Arduino Every “Clone” that I got online. Impressed with the Microprocessor, but disappointed in the way the development board worked, the lack of documentation etc. I set out to change that by doing my own version, something that I do quite a lot. If I don’t like something, and it is in my abi...
ATMEGA4808 DEV board ARDUINO COMPATIBLE
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Pico Macropad
Arnov sharma Mar 27,2023
Hello and welcome back!Here's something useful: A macropad made completely from scratch using RP2040 Pico and a custom PCB was used, along with SMD tactile buttons and two custom PCBs, one for holding all the electronics components and the other as a mechanical board for keeping the 3D-printed switch in its place.A macropad is a small keyboard-like device that is typically used to execute specific commands or macros. It usually consists of a set of programmable keys that can be assigned custom f...
3D printing SLA Arduino
2052
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ATMEGA Tiny 1616 Development board - Complete
MakerIoT2020 Mar 26,2023
A complete ATTiny1616 Dev SolutionA few weeks ago, I started looking into alternative development solutions to reduce the effect of hard-to-get or more expensive-than-usual ATMEGA328 chips. One of the chips that I found to have potential was the ATTiny1616.There seemed to be quite a lot of stock, and the prices were reasonable. Some additional hardware, like a dedicated UPDI programmer, had to be designed or bought, as the ATTiny1616 required UPDI to upload and flash code.Setup to program ATTiny...
Arduino USB Hardware
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HALO Energy Sword
Arnov sharma Mar 25,2023
Hey guys, welcome back.So here's something deadly and really cool: the Energy Sword, also known as the Plasma Sword, was created totally from scratch using 3D-printed parts and unique PCBs.It is constructed from transparent PLA and has a cluster of ten WS2812 LEDs in each blade. These WS2812 LEDs are mounted to a special PCB that links the Din and Dout of each pixel.The Energy Sword, commonly known as the Plasma Sword, is a well-liked weapon in the Halo video game franchise. It is a close-r...
3D printing SLA Arduino
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ESP8266 Word Clock on 16x16 Led Matrix
Pavleski Mar 24,2023
  Word Clock is a special type of clock where the current time is highlighted within a set of words that can tell any possible time. There are many projects for making such a clock with microcontrollers, and usually the most difficult part to make is the "display", which consists of a large number of LEDs, many connections and wires from the LEDs to the controllers, and finally the mechanical performance of the case. This time I will present you a very simple way to make such an i...
3D printing ESP8266 Clock
2034
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Nanoexp board
Christian MARTINEZ Mar 24,2023
This multi sensors board is based on Arduino nano.Easy to program with Arduino IDE.Power supply : 220V (with insulated CC/DC 5V HI-LINK on board) or 5V by USBInputs :3x DS18B20 (temperature)4x I2C1X HC-04 ultrasonic1x relay 220V on board1x serial TTL (TX/RX) : solder 2 wires on TX/RX marks on PCB (for DWIN display for example)Schematic and implantation+ BOM are provided in project description.Enjoy !;-)
Arduino DIY Sensor
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