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Atmel ATtiny45 Bluetooth Scoreboard Circuit

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The scoreboard circuit is based on Atmel microcontroller ATtiny45 circuit cell phone can be controlled via bluetooth, the bluetooth module used in the indicator circuit BTM400-6B is an LCD TV has VGA output of the circuit for the project and Android Bluetooth communication codes Scoreboard attiny45 eagle pcb, there is a very useful resource schema diagrams

Note: the library does not have schema attiny13 attiny45 used eagle looks microcontroller attiny45

Bluetooth Scoreboard This project aims to display a scoreboard in a regular VGA monitor, remotely controlled with an Android device (cellphone, tablet) via Bluetooth. Bluetooth module BTM400-6B will wait for a connection from a device (e.g. an Android phone) and will act as an Serial Port Profile re-passing everything received from the device to the UART interface. In our case the ATtiny will read the data but won’t “speak back” to the module, so it’s really a one way communication from that point of view. pretty simple: control a ping-pong electronic scoreboard from an Android bluetooth-enabled device. To do this, I used an ATtiny45 which main function is to display the current scores in a VGA monitor while reading from a bluetooth module UART interface waiting for “commands” that will tell it what to display. The Android device sends the commands via bluetooth, running an application specially designed for this project. As usual, the whole project is open source, including schematics, AVR firmware and the Android application.

Atmel ATtiny45 Bluetooth Scoreboard Circuit electronic scoreboard btm400 6b android bluetooth scoreboard circuit

Atmel ATtiny45 Bluetooth Scoreboard Circuit electronic scoreboard from an android bluetooth scoreboard circuit

Atmel ATtiny45 Bluetooth Scoreboard Circuit scoreboard vga monitor 20mhz attiny atmelexternal oscillator

Source: alfersoft.com.ar/blog/category/elec/ alternative link: atmel-attiny45-bluetooth-scoreboard-circuit.rar alternative link2

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