0x01
IoT Firmware Development
- ESP32, RTOS systems
- WiFi, BLE, MQTT, HTTP
- Tuya platform integration
- Secure provisioning (BLE, captive portal)
Connected Device Firmware Engineer
Production-ready firmware that keeps connected devices online, secure, in sync, low-power, field-ready.
I help teams ship robust embedded products from prototype to manufacturing with reliable connectivity, secure provisioning, and maintainable firmware architecture.
- WiFi
- BLE
- MQTT
- Cloud
▲ press the yellow button · hover the parts
- ESP32
- FreeRTOS
- WiFi
- BLE
- MQTT
- HTTP
- Tuya
- LoRa
- 4G / Quectel
- UART
- I2C
- SPI
- BL0940
- RF & IR
- OTA
- Deep sleep
- Deep sleep
- OTA
- RF & IR
- BL0940
- SPI
- I2C
- UART
- 4G / Quectel
- LoRa
- Tuya
- HTTP
- MQTT
- BLE
- WiFi
- FreeRTOS
- ESP32
01 /Services
Firmware engineering services for connected products
From communication stacks to production optimization, I build resilient firmware systems that scale in real deployments.
0x02
Communication & Connectivity Systems
- UART, I2C, SPI integration
- RF & IR protocol implementation
- 4G (Quectel module) integration
- Remote protocol handling (NEC, RC5)
0x03
Low-Power & Performance Optimization
- Deep sleep optimization
- Flash memory management
- Code performance tuning
- Production debugging & logging
0x04
Embedded Firmware
- ESP32 / RTOS
- UART, I2C, SPI
- Firmware development
- Bug fixing & optimization
0x05
IoT Connectivity
- WiFi, BLE, MQTT, HTTP
- 4G / Quectel
- LoRa
- Device-to-cloud integration
0x06
Device Provisioning
- BLE provisioning
- WiFi captive portal
- Secure configuration
- Tuya integration
0x07
Energy Monitoring
- BL0940 integration
- Voltage / current / power
- CT-based monitoring
- Energy data logging
0x08
Firmware Debugging
- Existing codebase debugging
- Communication issues
- Crash / fault analysis
- Production support
0x09
IoT Prototyping
- POC firmware
- Sensor integration
- Wireless prototypes
- Hardware bring-up
02 /Projects
Selected firmware case studies
Each project focused on robust field behavior, stable communication, and measurable production impact.
pub home/light/set {"on":true}
smart-home · mqtt
LIVE
01
Smart Home IoT Platform
- WiFi
- BLE
- MQTT
- HTTP
- Cloud
The product needed a complete firmware stack for connected home devices with reliable setup and cloud communication.
V
230.1
A
0.412
W
92.9
kWh
12.384
bl0940 · ch1 / ch2
LIVE
02
Smart Energy Meter
- UART
- Flash
- Metering
The meter required accurate electrical parameter monitoring with stable long-term logging on constrained hardware.
Add device
- ✓Scanning
- ✓BLE pairing
- ✓WiFi creds
- ✓Cloud bind
- ✓Online
tuya · ble provisioning
PAIRING
03
Tuya BLE Configuration System
- Tuya
- BLE
- UART
Configuration needed to be simple for users while remaining compatible with Tuya UART protocol constraints.
bldc · foc loop
LIVE
04
BLDC Motor Firmware Optimization
- Motor control
- Timing
- RTOS
Control loop instability and inefficient runtime behavior were affecting motor performance and smoothness.
03 /About
Engineering connected devices that are dependable in production
Embedded systems engineer focused on reliable connected devices, low-power firmware, and scalable IoT architecture.
- Case studies
- 6
- Service areas
- 9
- Protocols & platforms
- 16
04 /Contact
Let's build your connected product
Share your requirements and timeline. I'll respond with a practical execution plan.