Hologram
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Hologram's Secure Data Router is a cloud service allowing data transport from your IoT devices to one or many endpoints. Integrations with Slack, AT&T M2X, SMS, E-mail, Custom Webhooks and other cloud platforms.

Old-school two-way pager with Arduino
Intermediate
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Full instructions

Send and receive real SMS text messages with your Arduino! A self-contained texting device with its own SIM card and phone number.

Simple Cellular GPS Asset Tracker w/real-time web app
Intermediate
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Full instructions

Self contained cellular GPS tracker. Ever wanted to spy on bad guys? Now you can, watch as they drive around doing bad guy stuff!

Cellular Connected Power Outlet
Intermediate
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  • 17

Full instructions

Usually, you might use WiFi to control your IoT projects at home, but what do you do when your WiFi is down?

Long Range Cellular Robot Earth Rover
Intermediate
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  • 13

Full instructions

Long-range cellular robot: It's like NASA'S Mars rover, except it's on Earth, and communicates over cell towers, and has way less latency.

Unicorn Finder (Kid Tracker for Techie Parents)
Intermediate
  • 3,074
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Full instructions

The Arduino Uno controls a 16 Neopixel unicorn horn. This includes a GPS module broadcasting through a cellular GSM shield.

Soil Moisture Sensor Over Cellular for Remote Garden Plot
Intermediate
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Full instructions

Remotely monitor soil moisture of your off-site garden plot. Data is plotted in a cloud service so you know when to go and water!

Aggro-Crag-in-Real-Life-Button and Leader Board
Easy
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  • 6

Full instructions

This is a cellular-connected internet button placed in a remote location. Hit the button, enter your initials, and get recognized

Hologram Dash GPS and Temperature Sensor Box
Easy
  • 760
  • 5

Full instructions

A GPS and temperature sensor built on the Hologram Dash for asset tracking or outdoor monitoring.

SMS-Based Fireworks Detonator
Easy
  • 607
  • 5

Full instructions

Safely detonate your fireworks from far away using an SMS based remote detonator.

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