Category Archives: Python

Connecting sensors to the internet using an arduino and a raspberry pi

As part of the PlantBot project, I wanted a way to look at sensor data over the internet. These sensors are moisture, light and pressure. The main one is moisture, the other two were just added in because I had … Continue reading

Posted in Arduino, Atmel, how to, Microcontrollers, PHP, Projects, Python | Tagged , , | 4 Comments

FFTalk : a way for multiple sensors to talk to one receiver

The title description is quite broad so allow me to explain more clearly what I’ve been working on for the past couple of weeks. Think of the television remote or more specifically using IR diodes and IR receivers to transmit … Continue reading

Posted in Ideas, Python | Tagged , , , | 2 Comments

Tiva C launchpad FFT with real time plotting using pyQtGraph

Circuit Diagram: The biased signal generator signal is connected to AnalogIn 1 on the Tiva C which is pin PE_2. Signal Gen and Tiva C ground is common. The two 10k resistors from a voltage divider which will halve the … Continue reading

Posted in C, Development Boards, Ideas, Python | Tagged , , , | 20 Comments

Tenma 72-7735 DMM: Serial interface with Python

The Tenma 72-7735 is a lower end DMM that comes with quite a few handy features including an opto-isolated serial output. This serial communication is over a cable with a male db-9 rs-232 serial connector on one end and a … Continue reading

Posted in Hacks, Hardware, Projects, Python | Tagged , , , , , , , | 14 Comments