Here is a motor speed sensor module, the major goal is to check the rate of an electric motor. The module can be used in association with a. ... After construction and pre-flight test, the module was ...

We seem to have been remiss in writing up [Limpkin]’s last go-around with the CDM324 microwave module, a 24-GHz transceiver that you can pick up on the cheap from the usual sources, but we’ve ...