# HV Electronics NZ — Motorsport EFI Workbench, Track Air Density & Sensor Specification Archive

> Independent New Zealand motorsport electronics calculation portal, live 6-circuit barometric air density telemetry board, and preserved 2018–2022 HV Electronics sensor & CAN-bus specification archive on `https://hvelectronics.co.nz`.

## Core Interactive Engineering Tools & Open Datasets
- [4-Mode Motorsport EFI & Sensor Workbench](https://hvelectronics.co.nz/): Injector flow/BSFC calculator (Petrol 98, E85, Methanol), 0–5V linear MAP calibration generator, Lambda ↔ AFR & 1 Mbps CAN frame decoder, and MIL-W-22759 Tefzel voltage drop calculator.
- [Live 6-Circuit NZ Track Air Density Board](https://hvelectronics.co.nz/tools/track-air-density/): Real-time Open-Meteo barometric pressure, Relative Air Density (RAD %), and Density Altitude for Hampton Downs, Taupō, Manfeild, Ruapuna, Highlands, and Teretonga (plus Pukekohe historical archive).
- [Live NZ Circuit Telemetry JSON API](https://hvelectronics.co.nz/api/v1/nz-track-air-density.json): 30-minute cron-updated barometric and RAD% dataset.
- [HV Sensor Calibrations JSON API](https://hvelectronics.co.nz/api/v1/hv-sensor-calibrations.json): Complete transfer equations, pinouts, and 2022 archived NZD pricing.
- [SHA-256 Telemetry Payload & CSV Jitter Lab](https://hvelectronics.co.nz/engineering/data-integrity/): Browser Web Crypto SHA-256 seed+nonce verifier and CSV timestamp jitter analyzer.
- [High-Frequency WebSocket & SHA-256 Case Study (Here2Win NZ Platform)](https://hvelectronics.co.nz/pages/here2win-technical-case/): Applied NZ network latency (28.4ms p50) and deterministic SHA-256 verification benchmark.

## Flagship Archived Sensor & Module Datasheets (With Pinouts & Calibration Tables)
- [HV 4-Bar MAP Sensor 1/8" NPT ($160.20 NZD Archive)](https://hvelectronics.co.nz/collections/top-sellers/products/hv-air-pressure-sensor-4-bar-npt-thread)
- [HV Open-Element Fast Air Temp Sensor ($81.00 NZD Archive)](https://hvelectronics.co.nz/collections/top-sellers/products/air-temp-sensor)
- [HV High Temp Fast Response NTC Sensor ($144.00 NZD Archive)](https://hvelectronics.co.nz/collections/top-sellers/products/hv-high-temp-fast-response-sensor)
- [HV EGT Type-K to 1 Mbps CAN Module ($483.00 NZD Archive)](https://hvelectronics.co.nz/collections/top-sellers/products/hv-egt-can-module)
- [HVLC2 Dual Wideband Lambda-to-CAN Module ($555.00 NZD Archive)](https://hvelectronics.co.nz/collections/top-sellers/products/hvlc2-lambda-module-dual)
- [Bosch 200 External Motorsport Fuel Pump ($200.60 NZD Archive)](https://hvelectronics.co.nz/products/bosch-external-fuel-pump)