SparkFun

H2OhNo! ATtiny Dev Board / Water Alarm

DEV-12069

Ny vare

Underneath the default function of H2OhNo! is a small but powerful development board for the ATtiny85 microcontroller. The board includes a buzzer, LED, a coin cell battery, and the ability to detect analog and digital sensors. This mixture of parts creates a great low-cost tool to learn how to program and sense things!

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119,50 kr

Yderligere information

The SparkFun H2OhNo! is a water sensor alarm kit that you build yourself. When water is detected across the sense pins an alarm goes off and an LED starts blinking. If you’ve ever had a water heater explode or tried to create submersible electronics you know how important it is to be able to detect when water is around!

This board can be re-programmed to be an Annoy-A-Tron (originally made by Think Geek). Please annoy respectfully, otherwise your board may get demolished.

Note: Please check the hookup guide below for helpful tips and assembly instructions.

Note: Due to the requirements of shipping the battery in this kit, orders may take longer to process and therefore do not qualify for same-day shipping. Additionally, these batteries can not be shipped via Ground or Economy methods to Alaska or Hawaii. Sorry for any inconvenience this may cause.

Kit Includes:

  • 1x H2OhNo! PCB
  • 1x ATtiny85 (Pre-Programmed)
  • 1x 20mm Coin Cell Battery Holder
  • 1x CR2032 Coin Cell Battery
  • 1x Slide Switch
  • 1x 2kHz Piezo Speaker
  • 1x 8-pin DIP Socket
  • 1x Super Bright Red LED
  • 2x Jumper Wire
  • 1x Capacitor 0.1uF

Documents:

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