Failed drive...ebay purchase gone bad...
Monday, October 26, 2009
Friday, October 16, 2009
Oven Controlled Oscillator
A remarkable find, a 5 Mhz oven controlled oscillator that works great! Excellent reference and calibration source.
Saturday, October 10, 2009
Magnetic Sensor Vehicle Detection
Early working prototype of HMC1021S single axis magnetic sensor (D3 mounted on green board top) with output amplified by AD620N instrumentation amp feeding a LM393N comparator. We've tested and measured a response of approximatedly 30mV (output of amp) to an auto at a range of 3ft.
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