Category Archives: Ideas

Matchbox car v2 Google Sketchup Model

v2 includes an IR reflective sensor and stepper motors.

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Matchbox Car v1

This build consists of a tiny DC motors ripped from a pair of 9g servos, a h-bridge motor controller, an el-cheapo 8 bit pic and a 100mAh 3.7V LiPo battery. Circuit : (click schematic for pdf) Code: What’s coming next … Continue reading

Posted in Hacks, Hardware, Ideas, Microcontrollers, PCBs, pic microcontrollers | Tagged , , | 4 Comments

Matchbox Car – could it work?

All the parts were lying around so with a bit of solder and hot glue this is what happened: This was done to test if the motors were powerful enough to push the weight of the matchbox. The answer is … Continue reading

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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