Tejas Lahir - Tech Entrepreneur & Infrastructure Engineer

Tech entrepreneur and engineer building real-world infrastructure technologies that make complex systems observable, reliable, and useful.

Focused on depth, durability, and systems that actually run.

[PROJECTS]

Projects

I am building systems that operate in imperfect environments where hardware constraints, operational realities, and long-term reliability matter more than demos or surface features.

┌─ [ENERGY_MONITORING]
─┐

Energy Monitoring

Live

Real-time electrical monitoring with voltage, current, and power tracking. Built for autonomous edge operation.

AI Assistant available

Power MeteringEnvironmentAC Intelligence
→ View project
┌─ [SOLAR_CLIMATE]
─┐

Solar Geometry & Climate Intelligence

Live

Solar position tracking with climate intelligence. Real-time weather data across 77 Indian cities.

Solar Tracking77 CitiesClimate Data
→ View project
┌─ [APPLIANCE_CONTROL]
─┐

Appliance Control

Interactive

Toggle relay-controlled appliances and monitor real-time energy consumption via AWS IoT Core device shadows.

Relay ControlEnergy MonitorIoT Shadow
→ Control appliances
┌─ [FIELD_TRACKER]
─┐

Field Tracker

Live

Distance tracking and fuel reimbursement for field runners. GPS route visualization with activity recognition.

GPS TrackingActivity RecognitionReimbursement
→ View dashboard
┌─ [LIVE_SENSORS]
─┐

Live Sensor Demo

Live

Real-time data from energy monitors, lux sensors, and environment sensors streamed via MQTT over WebSocket.

MQTTEnergyLux & Environment
→ View sensors

Building for the Real World

I focus on systems that continue working after deployment — through noise, variability, partial failure, and human error. My approach emphasises observability, graceful degradation, and operational simplicity over feature breadth.

Ideas & Thinking

Complete1 part

Context Transforms Data Into Decisions

Why the right AC temperature is never a fixed number - it depends on where you are, what's happening outside, and what your walls are soaking up

In Progress1 part

Building Appliance Intelligence: Beyond Energy Monitoring

Why electrical and thermal behavior reveals more than energy consumption alone

Coming Soon

Why most infrastructure tech fails after pilots

→ View all essays

Direction

The next decade of technology will be defined less by novelty and more by foundations. I'm building toward systems that reduce uncertainty, support better decisions, and quietly enable scale without demanding constant attention.

My focus is on infrastructure that matters: energy systems, environmental monitoring, and industrial operations where reliability isn't optional. These domains reward depth over breadth, operational resilience over feature velocity, and truth over narrative.

I'm interested in problems where sensor data meets predictive intelligence, where edge computing meets cloud infrastructure, and where real-time signals become actionable insights. The work I'm doing now on appliance intelligence is one expression of this. There will be others.

Let's Connect

I'm open to conversations with builders, operators, and investors interested in infrastructure, energy, and applied technology. If you care about solving hard problems that live outside slides and prototypes, I'd like to hear from you.

I'm particularly interested in talking with people who:

  • Build or operate energy systems, industrial facilities, or distributed infrastructure
  • Understand the gap between proof-of-concept and production-grade systems
  • Value reliability, observability, and operational simplicity over feature sprawl
  • Think in years, not quarters

Feel free to reach out if that resonates.