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4 votes
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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 ...
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  • 56
3 votes

Cheapest single computer board with Wi-Fi and audio

Your best bet is one of the Rasbperry PI 2 or 3 is $35 The PI 3 does actually have built-in wifi, but no WPS button or activity leds. They both have a RJ45 for hard wiring with activity leds. You ...
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2 votes
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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 ...
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  • 146
2 votes
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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), ...
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  • 194
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 ...
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  • 1,078
2 votes
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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). ...
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  • 36
2 votes
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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. ...
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  • 650
1 vote
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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 ...
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1 vote
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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 ...
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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 ...
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  • 356
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 ...
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  • 1,078
1 vote
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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 ...
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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 ...
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1 vote
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Hardware components for MESH network with Arduino

Recommendations There are many different mesh networks I have seen being set up with the Arduino. Here I name just a few of the common ones. Pinoccio According to the website, Field Scouts talk ...
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  • 208
1 vote

What are good LED boards for an Arduino?

Using 3 I/O, you can only charlieplex 6 LEDs. The board would require an I/O expander, which would take up space limiting the area you could place LEDs. However, a very functional, full color matrix ...
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