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Hello From Phoenix Mechtronic 
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TO92 - Vaguely active

Joined: Wed Oct 18, 2017 8:15 pm
Posts: 1
Hello DIY EFI,
I wanted to introduce my company, Phoenix Mechtronic, making electronics products that may be helpful to this community.

Our website is http://www.phoenixmechtronic.com

Our first item is the 2-channel VR Module (VRM), available via Amazon here, for about $54. Or simply go to Amazon and search on "VR sensor input module".

Full documentation can be found at our website, along with an Arduino sketch for testing.

Below is a list of features. You can use this two-channel module for independent VR-crank and Hall-cam. If you care to offer any feedback, that would be great!

• Two independent VR sensor signal conditioning channels using the Maxim 9924 IC
• Differential or single-ended VR sensor signal input
• Differential or single-ended digital sensor signal input (such as Hall sensors)
• Supports Maxim 9924 Modes A1, B, & C, using on-board configuration switches:
o Mode A1: VR zero-crossing detection with adaptive arming threshold
o Mode B: VR zero-crossing detection with external arming threshold
o Mode C: Digital sensor signal comparator mode with hysteresis
• VR sensor input voltage range: 40mV to 300V (peak-to-peak)
• Maximum input signal frequency: 25 kHz
• Digital output voltage level controlled by external reference up to 5V
• Mode B arming threshold controlled by external DAC or PWM
• Optional on-board 5V pullup resistors for digital sensors with open-collector outputs
• Maximum current requirement: 25mA @ 5V (100mA, 5V supply recommended)
• Operating temperature range: -40C to 85C:
o If switch blocks are removed and soldered shorting jumpers used instead, then operating temperature range becomes -55C to 125C
• Dimensions: 1.5 in X 1.0 in (38.1 mm X 25.4 mm)
• Mounting hole for #4-40 screw

Image


Wed Oct 18, 2017 11:59 pm
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