The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!
The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!
Want to send text to an Arduino with an Android smartphone? Here's how! This article will show how an Arduino (or almost…
Want to send text to an Arduino with an Android smartphone? Here's how! This article will show how an Arduino (or almost any other microcontroller) can "talk" with your smartphone, sending and receiving text in both directions.
Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.
Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.
Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266…
Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266 modules running NodeMCU using MQTT.
Thread, a network protocol released July 2015, is optimized for the connected home network. It is IPv6 based, uses IEEE…
Thread, a network protocol released July 2015, is optimized for the connected home network. It is IPv6 based, uses IEEE Standard 802.15.4 and runs on existing hardware.
Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial…
Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial adapter uses only one I/O.
MQ Telemetry Transport (MQTT) is a popular low-overhead messaging protocol used by many IoT devices to communicate. This…
MQ Telemetry Transport (MQTT) is a popular low-overhead messaging protocol used by many IoT devices to communicate. This tutorial will show the user how to to set up a basic MQTT network using Python on his or her computer and an ESP8266 running the NodeMCU firmware.
ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal…
ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal Area Networks (WPANs), but they are optimized for different applications.
An analysis of the historical link between the military's use of retransmission stations ("retrans") and the advent of…
An analysis of the historical link between the military's use of retransmission stations ("retrans") and the advent of the mesh network.
Learn how to set up the Wunderbar platform to begin building your own IoT apps. This will demonstrate the "Can't Touch…
Learn how to set up the Wunderbar platform to begin building your own IoT apps. This will demonstrate the "Can't Touch This" and "Tell Me When" demo applications to measure WunderBar sensors and perform actions based on them. Some of the major bugs are discussed.
Create a smart home by displaying the current salt level of your water softener with the CC3200 and a proximity sensor.
Create a smart home by displaying the current salt level of your water softener with the CC3200 and a proximity sensor.
Part 4 in the “How to Make an Ambient Light Monitor” series
Part 4 in the “How to Make an Ambient Light Monitor” series
The new controller integrates a port power switch and port data multiplexer.
The new controller integrates a port power switch and port data multiplexer.
Detect audio with an electret microphone and a TI CC3200 Wifi microcontroller. This handy project will allow you to set…
Detect audio with an electret microphone and a TI CC3200 Wifi microcontroller. This handy project will allow you to set up an audio detection device that can be used to catch your roommate stealing things from the fridge or send you an alert if the noise in your room goes above a certain threshold.
How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example…
How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example we're going to use a PIC16F628A.
Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and…
Learn how to connect your device with Linux Screen using the built-in Lua interpreter to set up the file system and connect to the network. Then, learn how to automate the scripting process with Luatool and put it all together with a basic TCP server that can interact with a pulse-width modulated LED, a potentiometer, and a switch.
The new system, invented by MIT researchers and presented at the International Symposium on Computer Architecture, makes…
The new system, invented by MIT researchers and presented at the International Symposium on Computer Architecture, makes FPGA flash storage servers as efficient as those using conventional RAM while saving energy usage on analytics of large datasets.
Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC…
Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC and a microcontroller. This article explains how to use the virtual COM port library from Silicon Laboratories to send data from a Windows application to an EFM8 microcontroller.
When you buy a Raspberry Pi, you just buy a printed circuit board which doesn’t even come with a power supply or…
When you buy a Raspberry Pi, you just buy a printed circuit board which doesn’t even come with a power supply or operating system. This tutorial is concerned with getting your Raspberry Pi set up and ready to use.
Delta/wye transforms allow us to replace part of a circuit with a different circuit that, while equivalent in behavior,…
Delta/wye transforms allow us to replace part of a circuit with a different circuit that, while equivalent in behavior, can make circuit analysis much simpler. Here we learn where these transforms come from.