Friday, March 17, 2017

A basic 900mhz network (client/server)

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Hardware: Adafruit Feather 32u4 Radio (RFM69HCW), Raspberry Pi 3 Model B I've been building a wireless/wired sensor setup which I ...

Battery voltage check function on Arduino Feather 32u4

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Hardware: Adafruit Feather 32u4 Radio (RFM69HCW) The folks over at Adafruit have done a nice job with some aspects of documentation on ...
Thursday, March 9, 2017

Connecting two Pis (or other boxes) directly via TCP/IP without a webserver

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Hardware:  Two Raspberry Pi 3 Model B's Software: 2017-01-11 Raspbian Jessie Lite (minimal) / Python Sometimes you just need ...
Monday, January 23, 2017

RFM69HCW/LowPowerLab SendWithRetry function

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Hardware: Adafruit Feather 32u4 Radio (RFM69HCW) Software:  Windows 10, Arduino Sketch App 1.6.11, LowPowerLab One minor issue I ran ...
Sunday, January 22, 2017

Better way for beginners to sleep or delay on Arduino

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Almost every single Arduino example includes a simple line similar to the following: delay(1000) It is primarily because folks seem to...
Tuesday, December 13, 2016

AdaFruit Feather 32u4 / RFM69HCW Setup

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Hardware: Adafruit Feather 32u4 Radio (RFM69HCW) Software:  Windows 10, Arduino Sketch App 1.6.11 The two Feather 32u4 units/batter...
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Tuesday, November 1, 2016

Raspberry Pi 3 cost-effective multi-unit build

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Hardware: Raspberry Pi 3 Model B / SanDisk Ultra 8GB At present, I am doing a workaround of a customer networking requirement and needed t...