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4 votes
Accepted

Cheapest single computer board with Wi-Fi and audio

I'm looking for something similar to this myself; currently I'm using a CHIP from NextThingCo; you'd have to write the software yourself for what you want, but it runs standard linux. Wi-Fi ...
Efreak's user avatar
  • 56
2 votes
Accepted

Mechanism to close a small gate using Arduino

The thing you you are looking for is called a Linear Actuator http://amzn.to/2uWRIjV Depending on the strength of linear actuator you get, you might not even need a latch. You can have the Arduino ...
Netduke's user avatar
  • 146
2 votes
Accepted

Electronic Deadbolt for Door

I accidentally found the answer to my own question. What I am looking for suddenly happened to appear in my Amazon recommendations (even though I haven't searched for anything like this on Amazon), ...
JohnDoe's user avatar
  • 194
2 votes
Accepted

Sending order from ESP32 to Arduino Mega

From what you have asked, It looks quite straightforward to me so I am assuming that you are new to controllers. Apologies otherwise. What you need to do is: Serially connect both devices (I2C/SPI). ...
Ahmed's user avatar
  • 36
2 votes

Programmable Induction Hotplate

As you have shown an Arduino type device in your photo, you may want to consider to explore the world of Arduino controlled PID devices. I have a stand-alone device which consists of a thermocouple ...
fred_dot_u's user avatar
  • 1,408
2 votes
Accepted

small size Alternative of raindrop sensor

The sensors shown are simply conductors separated by an insulating space. When water, which conducts electricity slightly when pure (or much better with dissolved ionic substances), bridges the gap, ...
DrMoishe Pippik's user avatar
2 votes
Accepted

Need a blood-pressure measuring module recommendation for arduino

When I hear you ask for a module, I think of an Arduino "Shield" but you dont need one of these. You can connect what you need directly to the board, but it will be easier if you use a breadboard. ...
Alphy13's user avatar
  • 900
1 vote

small size Alternative of raindrop sensor

I made a diy flexible sensor for diaper-free time - not exactly what OP asked but still might be helpful. You can make it smaller with thinner tape and sheet but still probably not comfortable/usable ...
bendtherules's user avatar
1 vote
Accepted

Small Form Factor Thermal Camera

AMG8833 is a popular thermal camera which has an accuracy of 2.5 °C (4.5 °F). The benefit is that it's commonly used, and has a pretty decent support. The drawback is its tiny resolution, 8×8 pixels ...
Arseni Mourzenko's user avatar
1 vote
Accepted

Portable camera with bluetooth or some other wireless technology support

Not Bluetooth, but wifi, therefore it qualifies for "other wireless technology, the "aiball" camera comes in as a candidate. Available on Amazon, as well as a few other locations, it doesn't come in ...
fred_dot_u's user avatar
  • 1,408
1 vote

Small device with Bluetooth low energy (BLE)

The Raspberry Pi Zero W It's $10, comes with Bluetooth LE and Wi-Fi onboard, and can be very easily set for use with an I2C sensor. Under full load it draws a only 1.2W, but has enough horses to keep ...
JMY1000's user avatar
  • 2,349
1 vote
Accepted

Making a WiFi event recorder

Instead of choosing an Arduino board, use an ESP8266 variant which natively supports Arduino sketches. You can use a relay or directly connect a button to the I/O pins and detect whenever a button is ...
Asghar Musani's user avatar
1 vote

Best low cost microcomputer for running Unity app + webcam

There are microcomputers I suggested in another similar question, and unless your cam needs a specific connector you can choose from those: UP Core - https://up-shop.org/up-core/271-up-core.html 1-4 ...
Jzuken's user avatar
  • 386
1 vote

incremental encoder with added joystick functionality

I used "six axis joystick with rotation" as the search terms and came up with an open-source resource from the UNMND web site. It appeals to me because I like to build stuff and this one is very much ...
fred_dot_u's user avatar
  • 1,408

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