Category: Informational

FS1000A Wireless RF433 Transmit and Receive Module Pair

FS1000A RF433 Transmit and Receive Modules

I like experimenting with wireless devices, as you can tell from the many posts about them here! 😎 I am trying out an FS1000A Wireless RF433 Transmit and Receive Module pair this time. They use use the RF 433Mhz  frequency with ASK modulation. (You can also get these with the 315Mz frequency instead.)  I got …

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NL6621-Y1 Wireless Module

Arduino Leonardo connected to an NL6621

There is a new kid on the block, the NL6621-Y1 Wireless Module from Nufront.  The NL6621 WiFi SOC is powered by a 160 MHz ARM Cortex-M3 (NL6621M). Everything is integrated in the NL6621M SOC including 448KB of RAM. Here is what the NL6621-Y1 wireless module looks like:           Supposedly it is …

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How to Power an LED (Arduino vs. Pinguino)

LED Power Source

How to Power an LED (Arduino vs. Pinguino) might seem silly, however, if you take a look at the following graphic, you will hopefully notice something interesting. The Pinguino sources the power to the ‘user’ LED differently that does an Arduino. The Pinguino wiring is represented by the green LED and the Arduino wiring is …

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I2C Wire Chat Between Two Arduinos

Arduino 2Wite Chat

Someone asked me the other day if it was possible to have a ‘chat’ between Arduinos using the I2C Wire library. I came up with  ‘proof of concept’ code called ‘I2C Wire Chat Between Two Arduinos’. Here is the sketch: I2C Wire Chat Between Two Arduinos

Setup two Arduinos connected by a length of …

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Arduino as a Network Monitor

I have set up an Arduino as a Network monitor so I can be silently alerted if a WEB server on the LAN/Internet goes down. In a previous post, here, I show the relay circuit I am using in this sketch to flash a CFL lamp. This sketch also uses the same ENC28J60 module to …

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Emergency Phone Call Alert to an Arduino via an Asterisk PBX

S108T02 Relay Circuit

Recently, I created this simple circuit (and corresponding code) which makes an emergency phone call alert to an Arduino via an Asterisk PBX.  This project was for someone who needed to be alerted (silently) if someone made an emergency phone call on their Asterisk PBX. By the way, the free and open source Asterisk PBX …

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Do-It-Yourself Pinguino PIC18F4550 Board

Pinguino Top

I just got a good deal on several PIC18F4550 chips. So, I decided to make a Do-It-Yourself Pinguino PIC18F4550 Board to test them out. The Pinguino boards are based on the same concept as an Arduino. However,  instead of Atmel chips, Microchip PIC® chips are used. All of the Pinguino boards use PIC® chips with …

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Controlling and Monitoring an Arduino Galileo via Node.js

Galileo_Cordova

It is very handy to be able to control and monitor things with an Arduino. It is even more handy when you can control and monitor things remotely from wherever you are via the Internet. For arguments sake, lets say we want to both control specific devices we have attached to our Arduino and we …

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Automated AP-List Scanner for the ESP8266

I recently posted about using the nRF24L01 module to scan for channels in the 2.4GHz range. That will let you know what channels are in use, however, since the nRF24L01 does not have the embedded network stack, we can’t determine other things like what the ESP8266 module can. (Have you checked out the Espressif.com ESP8266 …

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Using an nRF24L01 Module to Scan the 2.4GHz Frequency Range

nRF24L01

There is a lot of electrical ‘noise’ all around us that we can’t see or sense as humans. However, in this day and time we have a great number of electronic devices which can sense what we can’t. Actually, it is these vary same electronic devices in most cases which are the cause of all …

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