Marco Tulio Souza
  • Member for 2 years, 5 months
  • Last seen more than 1 year ago
Can Alexa be used to warn others if I become incapacitated?
3 votes

I would disagree with @hardillb, in parts. With Alexa itself you cannot do anything, but you have other options. A simple solution I could think right now can be deployed like this: Set up a BLE ...

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Is barcode scanning with an ESP32 possible?
2 votes

I don't happen to have one of these with me, but I think you could have some fun with a laser and some CV. Laser barcode scanners work by shining a laser line on the code and reading how the light ...

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Smart band for generating custom vibrations
2 votes

First of all, Welcome to IoT Stack Exchange! Now answering your question... I really think you should make your own. All you would need is an NRF51/2, a cheap vibration motor (those are usually ...

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Seeking ESP32 with display which is supported by the PlatformIO debugger
Accepted answer
2 votes

TTGO LoRa32-OLED V1 Wemos LOLIND32 PRO (TFT socket) Heltec LoRa32

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Wireless IoT Devices at mm-wave frequencies
2 votes

MIMO and beamforming FTW!!!!!!! Most carriers aiming on 5G will have very dense antenna networks in order to make the signal available on as many devices as possible. I think that 5G on IoT will (...

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Building bidirectional people counting sensor
1 votes

Imagine two TOF sensors side by side in a corridor. If sensor 1 triggers, then sensor 2, you have movement in one direction. And vice versa. If you want to check if there are two people, you must ...

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Water meter reading using LORA
1 votes

I definitely agree with @hardillb. It is indeed a shopping list kind of question. But as always, new users on any platform are subject of this kind of question. It goes away with time. Now, in order ...

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How can I build a network of 5 smartphones that log accelerometer data into a computer?
Accepted answer
0 votes

Synchronize data from different devices is always a hard task. In your favor, you are using smartphones. You can manage to have accurate microsecond precision on your timestamps in this scenario. ...

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ESP32 Cam send picture to cloud AWS
Accepted answer
0 votes

The first problem we have here is: ESP32 may not have enough RAM to do it. There are a few examples on the web on how to save data collected from the ESP32-CAM to a microSD card. If you are familiar ...

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