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N 37.7749

CH-01 · 1.00 V/DIV

TRIG · AUTO

EMBEDDED · IOT · FIRMWARE CONSULTANCY

Firmware for

Embedly is a small firmware studio. We build the low-level code that makes sensors, wearables, and industrial devices actually ship — from board bring-up through OTA. Bare-metal to BLE. RTOS to production.

Start a project See selected work ↓

● BRING-UPbring-up.c

// board_init.c
int board_init(void) {
    clk_init(SYSCLK_80MHZ);
    i2c_init(I2C0, 400000);
    return uart_init(UART0, 115200);
}

4 yrs

avg firmware experience

25+

projects shipped

< 24h

response time

Remote

PST ↔ EST

WHAT WE DO · 004

Four things, done well.

We stay narrow on purpose. Firmware, radios, power, drivers — the layer between the silicon and the product team.

Firmware development

Bare-metal, FreeRTOS, Zephyr, or Nuttx. We write readable C and C++ that stays maintainable when your team inherits it — plus the unit tests to prove it.

Board bring-up
HAL & middleware
OTA update pipelines
Bootloaders & A/B partitions

Connectivity

Radios are where most products get stuck. We’ve shipped BLE stacks that survive the field, LoRaWAN gateways that actually gateway, and cellular devices that sleep for years.

BLE 5 / Mesh
Wi-Fi / Thread / Matter
LoRaWAN & Sub-GHz
LTE-M / NB-IoT

Power optimization

Turn a 3-month battery life into 18 months. We profile at the µA level, fix the wake-up paths, and tell you exactly which engineer kept a timer running.

Sleep-mode architecture
Peripheral gating
Radio duty-cycling
Field instrumentation

Driver development

New sensor, obscure SoC, vendor gave you a PDF and a prayer. We write the driver, upstream it if it makes sense, and hand you something you can build on.

I²C / SPI / UART / QSPI
Sensor fusion pipelines
Camera & display
Custom silicon

SELECTED WORK · 006

Things we’ve actually shipped.

A slice of the last 24 months. Some we can name, some we can’t — ask and we’ll walk you through what we did under NDA.

Mobile robot running the FrontierFlow planner in an indoor environment

FIELD · FRONTIERFLOW

P-01 · 2025CASE STUDY →

Autonomous exploration for mobile robots

Frontier-based planner running on-board. Robot maps an unknown indoor space end-to-end without a network link — decides where to look next, recovers from dead-ends, draws its own occupancy grid.

ROS 2SLAMNav2C++17Jetson

[ PHOTO PLACEHOLDER ]Battery test fixture on workbench↳ Bench · cell test rig w/ probes

IMAGE · 16:10

P-02 · 2025CASE STUDY →

Edge-ML lithium battery health predictor

Quantised regressor on an M4 predicts cell State-of-Health from a single charge cycle. Fits in 58 kB of flash, runs in 12 ms, no cloud round-trip.

STM32F4TFLite-MicroINT8CMSIS-NN

[ PHOTO PLACEHOLDER ]Battery swap kiosk with ten bays↳ Deployment · kiosk at city depot

IMAGE · 16:10

P-03 · 2024CASE STUDY →

Swappable battery station for e-bikes

Ten-bay kiosk firmware: authenticates a rider, unlocks a charged pack, logs the return, balances charging across bays. Built to survive a bad power rail and a worse internet connection.

ESP32-S3LoRa backhaulModbusCAN

// spi_ctrl.v — byte out, shift CRC on the fly
always @(posedge clk) begin
    if (tx_start) begin
        shift_reg <= tx_byte;
        bit_cnt   <= 4'd8;
        crc_next  <= crc_step(crc_reg, tx_byte);
    end else if (bit_cnt != 0) begin
        mosi      <= shift_reg[7];
        shift_reg <= {shift_reg[6:0], 1'b0};
        bit_cnt   <= bit_cnt - 1'b1;
    end
end

SOURCE · C99

P-04 · 2024CASE STUDY →

SPI peripheral on FPGA for a Cortex-M3 soft-core

Built the SPI controller in Verilog, wired it into an M3 soft-core on a Lattice part, implemented CRC-16 in the fabric. Host MCU talks to it like any peripheral; line rate sits at 48 MHz.

VerilogCortex-M3Lattice iCE40CRC-16

Quadcopter over terrain — on-board human detection pipeline

FIELD · AERIAL FEED

P-05 · 2024CASE STUDY →

On-device human detection for UAV

YOLOv8n trained on smoke, fire and human simultaneously; quantised to a 3 MB INT8 TFLite that runs on a Raspberry Pi 4 CPU. mAP@50 of 0.88 on the human class — the dominant signal on a search-and-rescue feed.

YOLOv8nTFLite INT8Pi 4Ultralytics

ESP32-C3 sensor node on the bench with LoRa radio and 18650 pack

FIELD · NODE-01

P-06 · 2024CASE STUDY →

Chunked OTA over LoRa for ESP32-C3

Firmware updates delivered to a coin-cell sensor node over a radio that hands you ~200 bytes at a time. RTC-persisted state so an update survives a reboot mid-transfer; stop-and-wait retry that stays inside the EU 1% duty cycle.

ESP32-C3LoRa SX127xesp_otaArduino

HOW WE WORK · 004 STAGES

No surprises, just milestones.

Fixed-fee scoping first, then fixed-price milestones. No retainers, no ambiguous hourly billing, no surprise change orders.

PHASE 01 · FREE

Discovery

We have a conversation. You tell us what you’re building, what’s stuck, and what’s been tried. We’ll tell you honestly if we’re the right team.

Fit assessment→
Rough complexity band→
Next-step proposal→

PHASE 02 · FIXED FEE

Paid scoping

We dig into the hardware, review existing code, and write a technical spec. You keep it either way — no lock-in, no recurring fees on the doc.

Architecture document→
Risk register→
Milestone plan & quote→

PHASE 03 · FIXED PRICE

Milestone build

We build in milestones against the agreed spec. Every Friday you get a demo, a delta, and an invoice you can predict.

Weekly demos→
CI pipeline→
Traceable commits→

PHASE 04 · HANDOVER

Delivery

Final firmware, bootloader, build scripts, and a written handbook that covers the system well enough for your engineers to own it.

Source & toolchain→
Technical handbook→
30-day warranty→

CLIENTS · ON RECORD

What they said, verbatim.

QUOTE 01 / 04

“They rewrote our BLE stack in three weeks. Pairing went from a support-ticket generator to a non-issue. I’d hire them again before I’d hire anyone else.”

Marcus Halberg

VP Engineering · Vantage Medical · Stockholm

”

START A PROJECT

Tell us what you’re building.

Responses within one business day. If it turns out we’re not the right fit, we’ll say so and, where possible, point you at someone who is.

EMAIL[email protected]

NDAHappy to sign yours or send ours

LOCATIONLahore, PK · Austin, USA

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