Storing MP3 files in external flash of esp32-c3

++Im building what I call a Smart Kitchen Timer using an esp32 c3 to run its code.+ · +Your task is to fix 3 problems I am having with the code+ · The captive portal functionality isn't working. · The device needs to be much more battery efficient that it currently is. · Would li ...

**Job Title: PCB Designer for IoT Solutions** · **Job Overview:** · We are looking for a skilled PCB designer with a strong background in creating production-ready printed circuit boards for IoT applications. The primary focus will be on designing a circular PCB that integrates a ...

+ Job summary · We're building a small hardware gateway that reads Dutch smart meter P1/DSMR data and forwards it to our cloud. · The device is based on an ESP32-C3 and supports Wi-Fi and Ethernet (W5500).+ QualificationsP1 / DSMR ingestion · Read DSMR telegrams from the P1 port ...

We need an embedded/firmware engineer to harden our ESP32-S3 production build and align our backend with OTA access control. · Device (ESP-IDF 5.2.x, ESP32-S3) · Enable and verify Secure Boot V2 (signing, eFuse, OTA with signed images). · Enable Flash Encryption in Release mode ( ...

Project Title: · ESP32-C3 Air Quality Monitor — PCB Schematic & Layout Review + Minor Redesign (FCC Compliance) · Project Description: · I have a working PCB design for an ESP32-C3 based air quality monitor built in EasyEDA. I need an experienced hardware engineer to review the f ...

I need an experienced embedded hardware engineer to review, fix, · & update the existing design, · & add a reliable 6-pin programming header or test pads (UART fallback) · & so the board can always be flashed. · ...

I'm working on an ultra-compact LED wristband project and need a PCB designed for JLCPCB manufacturing. · ...

We are looking for an electronics engineer to design a compact Wi-Fi–enabled single-channel relay board with a manual override button. · ...

We are building a non-production hardware prototype for workshops and user testing. The task is to modify an existing consumer smart scale by adding a piggyback ESP32 BLE microcontroller inside the device. · Electronics prototyping · ESP32 firmware development · BLE (GATT service ...

We are looking for an experienced embedded hardware engineer to design a small, low-power BLE battery monitor. · ...

I'm building a minimal viable product hardware device called RowTracker: a palm-sized (~40–50 × 30 mm target), lightweight (less than 100g) tracker for rowing boats. · ...

I have a small wearable prototype based on a round PCB (22–24 mm) using ESP32‑C3, MAX30102, MPU6050 and USB‑C charging. · Design a comfortable enclosure for infants (wrist or ankle wearable): Very compact and lightweight. · M A X 30102 should be in direct contact with the skin th ...

Design a 4-layer PCB for a water level monitor using ESP32-C3, SIM7670 LTE modem, and a 4–20mA sensor interface powered from 24V. The design should ensure reliable communication and accurate sensor readings. The PCB should be compact and suitable for industrial environments. · Co ...

# Electronic Baseball/Softball Umpire Counter - PCB Design Engineer · ## Project Overview · We're building an electronic version of the classic handheld baseball umpire counter (the black dial-based indicator tool). The device will connect via Bluetooth Low Energy (BLE) to a phon ...

I'm developing a small IoT module that sends alerts when a bollard is lowered or tampered with. · ...

I'm looking for an ESP32 developer to create simple reusable firmware for a small Wi-Fi device. · The goal is a basic ESP32 hub that lets users connect it to Wi-Fi via a captive portal then periodically calls my backend to fetch instructions. ...

+We are building a battery-operated sensor that uses ESP32-C6 and requires an MVP on STM32/nRF52 later. · +Write efficient code for ESP32-C6. · Store readings in internal flash (long-term) and mirror recent data to an ST25DV64KC NFC tag (circular buffer with a protected header). ...

I'm seeking a skilled freelancer to design a PCB for a home automation project using ESP32 ETH01. The project involves creating a custom PCB that integrates with Home Assistant for smart home functionalities. The ideal candidate should have long experience in PCB design, power ci ...

Custom PCB for a 2-channel PWM fan controller built around the ESP32-S3-WROOM module. Each channel is designed to support fan splitters (up to 4 fans per header) with per-channel overcurrent protection. The board should be as compact as physically possible while maintaining relia ...

We are seeking a skilled Rust developer to create engaging games and activities for the Boppo, a screen-free tablet.The ideal candidate will have experience in Rust, game development, embedded development and a passion for creating educational and entertaining content for childre ...