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Firmware depends on microchip type.Only LKM1 with Atmega328PB can use integration and has automatic time setting update. All others, you choose the time setting and int toggle doesn't matter. All firmware posted has changeable led display eg. original,bar,or single led. Also a sample length setting with a max setting of 20 milliseconds
Firmware only updatable via ISP. Can use an Arduino or Arduino clone with AVRdude. When you dowload the firmware, you must rename the file and add .zip to change it into a zip file to extract.
New for 2017!!!! ONLY FOR THE 1 CHANNEL .
2 channel upgrade in the future.
Native USB using miniusb port, integrated knock using ECU signal to sample based in Engine angle
UPDATED GUI 6/2/2017
Board Only $100 + shipping
Fully assembled $135+ shipping
New blade 16 LED displays . Auto Dimming. Uses stereo headphone chip for 2 knock sensors. 2 analog out channels but one digital channel. Board , $160 + shipping . Fits in the Serpac case
Board and display $110+ shipping
My Dodge Colt AWD before
full forged rebuild.
IDRC 2008 Semi-Finals
At JCCS 2016 Long Beach
Digital Knock sensor gauge
Bringing new school technology to old school rides. Specializing in retro fuel injection installs and engine swaps. With 25 years experience as a mechanic and 20 years in the auto refinishing industry.
Here is a simple GUI to program the board with different knock sensor sttings. NEW Gui toggles integration for ECUs that have an integration output. The line graph is alot faster. Also adjust the sample time if not using integration. The version 1.2 works with older boards and firmware. Version 1.3 is for firmware shipped after 5-20-2017
AFTER DOWNLOAD OPEN File location and rename file LKM1.zip .Then Extract all files.
For some reason the web server host renames the file some long alphanumeric name without the zip file extension. Just rename it.
LilKnockMeter V2™ is a fully adjustable knock sensor gauge. Audio out. Digital 0-5v out. Analog 0-5v out. No tach signal needed. Use headphones to help tune.
Here is the 8 Led display for the knock sensor gauge. Uses a shift register to run the leds. 5 wires total. 2 for power and 3 for data from knock board.
Insane Import Performance