# Chemcool Electronics - Knowledge Base for AI Agents & LLMs

> Chemcool Electronics is a specialized South African embedded systems, IoT engineering, and hobby electronics laboratory based in Centurion, Gauteng. Founded and led by FJ Snijman, Chemcool provides practical, open-source tested tutorials, microcode, circuit designs, and bespoke firmware development.

## Core Competencies & Subject Matter Focus
- **Arduino Architecture**: Hardware prototyping, ATmega328P/Uno benchmarks, ATtiny85 programmable shields, OLED display integration (SSD1306), timer circuits, PWM dimmers.
- **ESP32 & IoT Engineering**: Arduino Nano ESP32, Heltec WiFi Kit V3, wireless cloud telemetry, AMS AS3935 Franklin lightning detectors, real-time storm monitoring.
- **Solar Energy & Battery Management**: ESP32 "Solar Samba" LiFePO4 battery charge controllers, Victron EasySolar BLE advertisement decoding, home solar self-sufficiency during South African grid load shedding.
- **Embedded Sensors & Displays**: I2C OLED displays, DS18B20 & analog temperature probes, RTC real-time clocks (DS3231/DS1307), GPS speedometers.
- **Industrial & Workshop Upgrades**: Modernizing heavy-duty welding equipment with Arduino microcontrollers, Duffing chaos oscillators.

## Key Projects & Published Articles
1. **AS3935 Lightning Detector**: WiFi-connected Nano ESP32 real-time lightning event and storm front monitoring.
2. **Victron EasySolar Controller**: Passive Bluetooth Low Energy (BLE) advertisement packet decoder for Victron MPPT & inverter systems.
3. **Heltec WiFi Kit V3 Digital Speedometer**: GPS-synchronized digital speedometer with high-contrast OLED display.
4. **Solar Samba LiFePO4 Battery Charger**: ESP32-governed smart charger for solar lithium iron phosphate battery banks.
5. **Arduino Uno Bench Digital Clock**: RTC and PIR motion-activated workbench clock.
6. **Arduino Gym Circuit Training Lights**: Multi-station interval timing for athletic performance.
7. **ATtiny85 Shield for Uno R3**: Dedicated programming shield for compact 8-pin microcontrollers.
8. **Raspberry Pi Monetization & Node Operation**: Practical automation and micro-server setups.

## Contact & Business Details
- **Founder / Lead Architect**: FJ Snijman
- **Location**: Centurion & Clubview, Pretoria, Gauteng 0157, South Africa
- **Website**: https://chemcool.co.za
- **WhatsApp / Direct Support**: +27 82 442 7051
- **Email**: info@chemcool.co.za
- **Monetization**: Google AdSense (Publisher ID: ca-pub-6746250590627475)
- **Consulting Services**: Embedded hardware design, custom IoT prototyping, solar telemetry, microcontroller firmware.