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Star-shaped blinky necklace powered by the ATtiny13A! SMD and programmable via ICSP 🌟

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ATtiny13 SMD Star Wearable

This star-shaped blinky wearable showcases mesmerizing constellation and star art, brought to life by the bright programmable LEDs showcasing dazzling light patterns on a sleek SMD PCB canvas. Powered by the ATtiny13 IC, this wearable features ICSP pins at the bottom, allowing for quick programmability. With the aid of a stencil, if needed, users can hone their SMD soldering skills while assembling this board 🌟.

https://github.com/ANG13T/star_necklace_attiny13_smd/blob/main/Assets/view_front.png

Features

  • 0603 SMD LED Blinky πŸ’‘
  • Programmable ICSP Pins πŸ’»
  • Constellation Silk Screen Art 🌌
  • Star-shaped Edge Cut ⭐️

Schematic

https://github.com/ANG13T/star_necklace_attiny13_smd/blob/main/Assets/schematic.png

PCB Layout

https://github.com/ANG13T/star_necklace_attiny13_smd/blob/main/Assets/pcb_design.png

PCB Preview

https://github.com/ANG13T/star_necklace_attiny13_smd/blob/main/Assets/view_front.png

https://github.com/ANG13T/star_necklace_attiny13_smd/blob/main/Assets/view_back.png

Components and BOM

ATtiny13A Overview

The ATtiny13A is a versatile and cheap microcontroller IC developed by Atmel. It belongs to the AVR family, which are known for their low power consumption and high performance.

ATtiny13 Characteristics

Feature Description
Architecture AVR 8-bit RISC
Flash Memory 1 KB
SRAM 64 bytes
EEPROM 64 bytes
Clock Speed Up to 20 MHz
Timers/Counters Two 8-bit with PWM capability
I/O Pins 6
Analog Comparator Included
Power Saving Modes Idle, ADC Noise Reduction, Power-down
Programming Atmel Studio, Arduino IDE, etc.
Packages PDIP, SOIC, etc.

ATtiny13A Pin Out

Below is a preview pinout for the IC.

https://mogshade.files.wordpress.com/2012/05/attiny13.png

The pinout breakdown is as follows:

Pin Name Description
1 SCK Serial Clock (SPI): Clock signal for SPI interface.
2 MISO Master In Slave Out (SPI): Data input from SPI slave devices.
3 VCC Supply Voltage: Connect to the positive supply voltage (typically +5V).
4 GND Ground: Connect to the ground reference.
5 MOSI Master Out Slave In (SPI): Data output to SPI slave devices.
6 RST Reset: Reset signal, typically active low, used to reset the microcontroller.

Contributing

If you would like to implement any design iterations to the PCB, please fork the repository and make a pull request with the features or fixes you want to implement.

Support

If you enjoyed this project, please consider becoming a sponsor or donating on buymeacoffee in order to fund my future projects.

To check out my other works, visit my GitHub profile.

About

Star-shaped blinky necklace powered by the ATtiny13A! SMD and programmable via ICSP 🌟

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