Many times I’ll mock up my Arduino formulas in a spreadsheet before I start building a sketch. One of the more complicated Arduino commands to emulate is the MAP command. The Arduino code: height = map(adc, 171, 512, 12, 0);
Ricky and I installed my new Leixen VV-898 2m/70cm 10 watt dual band Ham Radio in my truck today. It’s $135 delivered, from http://www.radioddity.com. Ricky pulled out the ashtray and installed the radio in the exposed cavity. I then wired
MQTT stands for MQ Telemetry Transport. It is a publish/subscribe, extremely simple and lightweight messaging protocol, designed for constrained devices and low-bandwidth, high-latency or unreliable networks. The design principles are to minimise network bandwidth and device resource requirements whilst also
As much fun as it is connecting sensors to an Arduino, and displaying data on a LCD, lighting LED’s, or other local actions, the real power is when you connect to a network. Whether it’s a local network and you
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