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DIY STM32 Alarm Clock with 7-Segment Display (Using Arduino IDE)
Pavleski Jun 26,2025
 This time I will present you a classic 7 segment display alarm clock which will represent another one from my series of DIY unusual and ordinary clocks which you can watch on my playlist. In this case, it is characteristic that is used the STM32 microcontroller board known as "Blue Pill". It is a popular and inexpensive development board based on the STM32F103C8T6 microcontroller from STMicroelectronics. The ARM Cortex-M3 core offers much more processing power and peripherals compared...
Arduino Clock Nixie Clock
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8x TCA9555 SHIELD (+128 pins for Arduino)
YT Jun 25,2025
This pcb it's made for people who need tons of pins. In fact this shield adds 128 pins to your Arduino. It works using I2C and you can then communicate with the 8 TCA9555. The pullup resistors for the I2C lines are already included in the PCB so you don't have to use external ones
Arduino DIY PCB
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Shield Arduino Nano
Mirrortrec Jun 23,2025
Base for arduino Nano which has a stable 5v regulator to connect sensors or servo motors, with i2c communication input for simpler concexiones.
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Wideband Signal Generator (35 - 4400 MHz)
Jun 22,2025
DescriptionWideband Signal Generator (ADF4351, 35 - 4400 MHz)(The second photo is a prototype and is different from the data.)This is a wideband signal generator designed by DD7LP, who lives in Germany.Please refer to the data required for production here.https://github.com/dd7lp/AD4351-PLL-Syntesizer-35-4400Mhz-DD7LP-2(The copyright of the signal generator described below belongs to DD7LP. Any use other than personal production, such as commercial use, is not permitted.)This article shows how t...
11thAnniversary DIY Arduino
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ATMega32 Board
🙂 Jun 21,2025
Hi !I remembered this simple project I made for myself, you can use it with an ATMega32 or ATMega16 microcontroller. As I only had 1 microcontroller I tried a semi-professional PCB manufacturing version, and it came out a 10. I don't usually buy PCBs when I know I only need 1 piece, the costs clearly exceed the need. The components are largely recovered, except for the MCU and the 32pF capacitors.I made a simpler version, giving up the programming circuit via USB and other components like voltag...
11thAnniversary Development board Arduino
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AT90CAN128
🙂 Jun 21,2025
Hello makers!Here is a guy who likes to build various, small, electronic circuits, and through this application I would like to show you how I often use various components recovered from scrap electronics boards to create functional electronic circuits. I often do this, for various reasons, both economic and because if I have components at hand I am exempt from other things.  Recently I discovered an electronic board that contains an AT90CAN128 in a QFP package. Initially I thought it was a...
AT90CAN128 arduino Development board
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Arduino Breakout game on 8X8 Led Matrix with WS2812B Leds
Pavleski Jun 19,2025
 Recently in one of my projects I presented you a simple way to make a Tetris game on an 8x8 LED display. This time I will use the same hardware and case, and I will try to explain to you an equally simple way to make another legendary arcade game - Breakout. Breakout is an arcade video game developed and published by Atari, and released on 1976. The player controls a paddle at the bottom of the screen. The objective is to use the paddle to bounce a ball into a wall of bricks at the to...
Arduino ESP8266 DIY
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Segmented 7 Segment LCD display shield for Arduino UNO
upir Jun 18,2025
LCD 7-segment display shield for Arduino UNOYouTube video:Screenshots:
Display Arduino DIY
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ESPBoy powered by 18650 battery
Kawashima Jun 17,2025
ESPBoy powered by 18650 batteryStartMaking game consoles is always fun for electronics hobbyists.The original circuit was made open by the ESPBoy community, so it’s easy for anyone to build.https://www.espboy.com/I started out by ordering a PCB based on the published design, soldering the components myself, and assembling the whole thing.Of course, it worked—but I felt that the component layout could be a bit cleaner.So I thought since I’m doing this for fun anyway, why not add a few personal t...
Arduino ESP8266 DIY
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Dual analog joystick and button breakout pcb
Reboot Jun 16,2025
This pcb is useful for experiments with analog thumb joysticks or buttons, such as video game interfacing, controlling robots or RC vehicles etc.It uses 12 tactile buttons and 2 Sparkfun COM-09032 joysticks.Header pins are along the top edge of the pcb to allow hooking up to projects.The joysticks can then be used as left/right analog controls.There are 4 buttons on the left and 4 on the right, arranged as a D-Pad for up/down/left/right intuitive control4 buttons are in the center arranged in a ...
Arduino Retrocomputing analog joystick
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