Karls DIY Dyno
Karls DIY Dyno

DIY Dyno fra Karl

DIY Dyno fra KarlDIY Dyno fra KarlDIY Dyno fra Karl

True DIY module available - Loadcell and engine RPM

+4791724688

DIY Dyno fra Karl

DIY Dyno fra KarlDIY Dyno fra KarlDIY Dyno fra Karl

True DIY module available - Loadcell and engine RPM

+4791724688

Karls DIY Dyno Settings

Settings - 1

Karls DIY Dyno Has options for calibration and Tare of Loadcell

Settings - 2

Karls DIY Dyno has options for setting range on the Dials and Trends

Settings - 3

Karl DIY Dyno Has the option for Brake Dyno or Inertia Dyno. 

Settings - 4

Karl DIY Dyno has the options to define various parameters on the inertia drum / wheel.

Settings - 5

Karls DIY Dyno Boots as default with "karlsdyno" wireless access point active. connect using "karlsdyno" as password, use as is if you like or connect it to your wireless network at home. Have added mistake protection in my code, so if it fails to connect to other WIFI it will revert back to default mode in about 10 seconds.

Downloads

KarlDIYDyno software V.1

DIY_Dyno_esp32S3_v04_EGT_NAU7802_160226 (zip)Download
Functional Specification Document 170226 (KARLSDIYDYNO) (pdf)Download
DIY_Dyno_esp32_v04_EGT_NAU7802_170226 (zip)Download

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At least so i can buy a beer or 2

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Hello

KARLS DIY DYNO V 1.2 - PARTSLIST

  • ESP32 Development board
  • HX711  Loadcell amplifier
  • Inductive proximity switch / hall sensor that can handle 5 vdc (GTRIC LJ12A3 series)
  • Inductive clamp sensor for rpm on plug wire (SCT013 series)
  • Filter for Inductive clamp to proper square wave signal(A555 Timer IC)
  • A dyno of your preference, Brake or Inertia

Brake Dyno - Basic Parts list

40x40 square tubing for the main frame work

20x20 square tubing for auxiliaries

Loadcell 10kg upwards, depends on HP/Torque expectations

Hydraulic pump 60L/min upwards

Small tank for oil 10-20 liter

Various hydraulic fittings

Flow control valve

Pressure relief valve

Manometer 0-300 bar

Various other stuff


Buy KarlsDiyDyno Kit

US$339.00

(US$18.00 shipping)

Pay with PayPal or a debit/credit card

Fully assembled and tested KarlsdiyDyno kit

1x esp32-dev kit with latest software

1x Loadcell amplifier NAU7802

1x EGT reader MCP9600 & K-type sensor

2x hall sensors (engine rpm & drum rpm)

1x S-type Loadcell (default 30kg) enough up to 50hp

1x Assemblybox with connectors

Video

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Custom Software Option

Special requests or need, get in touch. Custom software solution can be provided for a modest fee

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Copyright © 2026 Karls DIY Dyno - All Rights Reserved.


Made By KarlBoConsulting.no

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