Laser Tag

potatoartist
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A simple atmega328 @ 3.3v and 8MHz with some IR transistors and a laser diode
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Laser Tag
Laser Tag

potatoartist

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sonar feedback device for blind
sonar feedback device for blind

potatoartist

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GNU General Public License v3 / GPLv3

Published: March 2, 2017 Complete

Project Description

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Project description
Warning! There is at least one mistake here. I made this circuit (ordered the PCB from oshpark) and it works, but I had to replace the cap on the 3.3v regulator output with a larger cap (22uf electrolytic) and more importantly the TX and Rx aren't swapped and they need to be.
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Component (19)
Qty
Description
ERJ-8GEYJ102V

laser_current_limiter

1
1 kΩ Resistor
08055A220JAT2A

C10, C11

2
22 pF 5% 0805 Capacitor
TPS2110PWR

Power Mux

1
Autoswitching Power Mux
MIC5219-3.3YM5

U89

1
500mA-Peak 3.3V Output LDO Regulator

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