Visually program IoT apps in the browser using an Arduino connected over cellular!
by Moheeb Zara
Use a $9 GSM module & the Hologram network to remotely control any Arduino with Blynk App.
Easy to build w/ off the shelf parts, BLE solar powered sensor array. Connect and share its data to the cloud and be rewarded with ethereum
Project tutorial by Hack.Build
Want to control your microcontrollers in the cloud graphically, without writing any code? Welcome to the Tentacle, from Octoblu.
Project tutorial by Aaron Herres
Some modules can take 5v just fine. I've had mine running continuously for 2 weeks now on 5v.
It might be because the arduino and the sim800 aren't sharing the same ground
Also is your sim inserted correctly? I lost an embarrassing amount of time because I had it in wrong
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