Note: The job is a remote job and is open to candidates in USA. Dice is a recruiting company seeking a Firmware Developer for a remote position. The role involves developing firmware for the ESP32-C3-MINI-2U microcontroller to enable WiFi connectivity for SMS notifications and requires PCB design for fabrication.

Responsibilities

• ESP32-C3-MINI-2U Firmware developer to enable a Wifi connection to a Wifi router to transmit emails/texts, etc
• Require a PCB design for fabrication
• Develop the firmware on the ESP32-C3 microcontroller
• Ensure the firmware runs on an ESP32-C3 microcontroller
• Implement inputs/outputs interfacing with PIC16F1503 microcontroller
• Monitor battery voltage and output a digital signal if the battery voltage falls below 6 VDC
• Send email/text message notifications regarding battery status and alarm events
• Wake from Deep Sleep mode upon detecting a logic level HIGH on any one of the inputs and send an SMS text message via email

Skills

• ESP32-C3-MINI-2U Firmware developer to enable a Wifi connection to a Wifi router to transmit emails/texts, etc
• PCB design for fabrication
• Experience with Espressif ESP32C3 microcontroller
• Ability to design a four-layer PCB
• Proven firmware development experience on ESP32-C3 microcontroller
• Understanding of Deep Sleep functions of ESP32-C3
• Experience interfacing ESP32 with PIC16F1503 microcontroller
• Knowledge of digital signal processing for GPIO inputs
• Ability to manage power consumption for battery life optimization
• Experience with WiFi connectivity and dynamic SSID/password handling
• Ability to encode GPIO outputs in binary format for specific functions

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