Selected projects
Case studies
Selected embedded hardware, IoT and edge AI projects: what we built, for what kind of client, and what came out of it. Clients are anonymised, and every outcome figure is labelled as measured in a pilot, client-reported, bench-tested, simulated or a design target; challenge figures are client-reported baselines, and unlabelled numbers are specifications.
- Founded 2020
- 25+ engineers
- 500+ projects delivered
- 48–72 h standard prototypes (up to 8 layers, partner fabs)
- 13 industries
- 10+ countries
Manufacturing / Heavy Industry
Steel manufacturer, India (3 plants)
Industrial IoT: Predictive maintenance sensors and edge AI for a steel plant
Rapid Circuitry designed the wireless vibration-sensor nodes, edge-AI gateways and cloud dashboard for a steel manufacturer's predictive-maintenance system in India. After plant-wide deployment the client measured a 78% reduction in unplanned downtime.
Illustrative imageBrowse by industry
30 case studies across all industries, including the featured project above.
Illustrative imageHealthcare
Medical wearable: Remote patient monitoring device for cardiac care
End-to-end development of a wearable ECG monitor engineered to be FDA 510(k) submission-ready, designed for 14-day battery life and on-device arrhythmia detection for remote cardiac monitoring.
- Class B firmware design
- IEC 62304
- VEB sensitivity (ANSI/AAMI EC57)
- 99.2%
- Design target
18 months
Illustrative imageAgriculture
Smart agriculture: Solar-powered LoRaWAN sensor network for precision irrigation
Design of a solar-powered precision-agriculture IoT system — soil and weather sensor nodes, LoRaWAN gateways, irrigation models and a multilingual farmer app — piloted with 100 nodes on 200 acres, where the pilot measured 40% higher soybean yield and 35% lower water use, before a cooperative-wide rollout.
- Increase in crop yield
- 40%
- Measured in pilot
- Reduction in water usage
- 35%
- Measured in pilot
10 months
Illustrative imageSmart Buildings
Digital twin: Sensor units and edge gateways for a smart-building platform
Rapid Circuitry designed custom ESP32-S3 multi-sensor units, NVIDIA Jetson floor gateways with BACnet/Modbus translation, and the data pipeline feeding a digital-twin platform for a 50-story mixed-use tower. The building owner's energy and maintenance results are not published here.
- Custom multi-sensor units
- ESP32-S3
- Legacy systems bridged
- BACnet / Modbus
14 months
Illustrative imageLogistics
Edge AI robotics: Compute, perception and on-device navigation for warehouse AMRs
Rapid Circuitry designed the compute and perception electronics and the on-device ML navigation software for an autonomous mobile robot (AMR) platform, validated in a 20-robot pilot zone of an e-commerce fulfilment centre before the full-warehouse rollout. Fleet-level throughput results are the client's and are not published here.
- Robots in pilot zone
- 20
- On-robot NPU (INT8)
- 4 TOPS
16 months
Illustrative imageSemiconductors
RISC-V AI accelerator: Architecture, RTL and verification for an always-on edge NPU
Architecture, RTL design and UVM verification work on a RISC-V SoC with an integrated neural processing unit for always-on voice, vision and sensor-fusion workloads in battery-powered wearables, designed to a 10 TOPS/W (INT8) efficiency target, plus the model compiler and software stack.
- NPU efficiency (INT8)
- 10 TOPS/W
- Design target
- Always-on power budget
- < 5 mW
- Design target
24 months
Illustrative imageTransportation
Connected fleet: LTE Cat 1bis telematics control unit and edge AI for commercial vehicles
Rapid Circuitry designed an LTE Cat 1bis telematics control unit (TCU) with an on-vehicle AI processor, the vehicle firmware and the fleet platform for a logistics company's commercial vehicles, validated in a 100-vehicle pilot and then rolled out across the fleet. Fleet-wide fuel and safety results are the client's and are not published here.
- Vehicles in pilot
- 100
- CAN bus decoding
- J1939 / OBD-II
18 months
Illustrative imageInfrastructure
Battery-free IoT: Energy-harvesting sensor nodes for structural health monitoring
Design of battery-free structural-health sensor nodes that run on vibration, thermal and solar energy harvesting with supercapacitor storage, validated in a 200-sensor pilot on 3 bridges before a wider rollout. The 20-year maintenance-free life is a design target.
- Sensors in bridge pilot
- 200
- Bridges in pilot
- 3
20 months
Illustrative imageConsumer Electronics
Multi-connectivity pet tracker: Multi-network GPS tracking with BLE, LTE-M/NB-IoT & LoRa
Development of a pet tracking device that combines BLE beacons for indoor tracking, LTE-M/NB-IoT for real-time tracking on cellular networks and LoRa for rural and remote areas, designed for a 45-day battery life in an IP68 enclosure.
- BLE, LTE-M, NB-IoT, LoRa
- 4 Networks
- Battery life
- 45 Days
- Design target
12 months
Illustrative imageHealthcare
Smart urinometer: Automated ICU urine output monitoring system with real-time analytics
Development of a smart urinometer for ICU and post-surgical patients, with design documentation structured to IEC 62304 and ISO 13485 expectations, that automatically measures urine output, flow rate and colour. It is designed to replace manual hourly readings, with design targets of 40% less nursing time on urine monitoring and earlier detection of acute kidney injury (AKI).
- Class B firmware design
- IEC 62304
- Volume accuracy vs gravimetric reference
- ±1% / ±2 mL
- Design target
14 months
Illustrative imagePublic Safety
Smart police wearable: Real-time officer health monitoring & SOS alert system
Development of a rugged smart watch for police officers with SpO2, heart rate, skin temperature, ambient temperature and humidity, a VOC air-quality index, GPS tracking and an SOS alert system, piloted with officers and designed for state-wide deployment.
- Enclosure rating
- IP68
- Design target
- Health & environmental
- 7 Sensors
10 months
Illustrative imageHealthcare
Robotic prosthetic arm: EMG-controlled bionic limb with machine learning
Development of an affordable EMG-controlled robotic prosthetic arm with machine learning-based gesture recognition. The system interprets muscle signals to enable natural hand movements, achieving 94% gesture accuracy and < 100 ms latency in bench tests, and is designed to a $10,000 target price to expand access for upper-limb amputees.
- Gesture accuracy
- 94%
- Bench-tested
- Response latency
- < 100ms
- Bench-tested
18 months
Illustrative imageHealthcare
Automated nitric oxide therapy system: Connected iNO delivery for NICU patients
Development of an automated inhaled nitric oxide (iNO) therapy system for NICUs treating newborns with persistent pulmonary hypertension, with design documentation structured to IEC 62304 (Class C) and ISO 13485 expectations. It combines precise gas delivery, real-time NO/NO2 monitoring, cloud connectivity for remote oversight and layered safety interlocks, with a BOM-based estimate of a device cost about 60% below imported iNO delivery systems.
- Class C firmware design
- IEC 62304
- Dosing accuracy (or ±0.5 ppm, whichever is greater)
- ±10%
- Design target
20 months
Illustrative imageHealthcare
AI-powered oxygen therapy: Intelligent FiO2 titration system for critical care
Development of a closed-loop oxygen therapy system, with design documentation structured to IEC 62304 and ISO 13485 expectations, that adjusts FiO2 automatically from real-time SpO2 monitoring and predictive algorithms. Design targets: 35% less oxygen consumption than manual titration and 98.5% time in the prescribed SpO2 range, with less hyperoxia and nursing workload.
- Class B firmware design
- IEC 62304
- Oxygen savings
- 35%
- Design target
16 months
Illustrative imageHealthcare
Wearable EEG headset: 16-channel around-ear EEG/EMG design with dual ADS1299 and BLE
For a Japanese neurotech startup we designed a 16-channel around-ear EEG/EMG headset: two ADS1299 front-ends, an nRF5340 BLE module and two microphones. Status: Rev C.1 design package accepted as the client's baseline in June 2026; hardware build not started as of September 2026.
- Status: design accepted by client
- Rev C.1
- EEG + EMG, 2× ADS1299
- 16 ch
Design package: June 2026Rapid Circuitry hardware and firmware team
Illustrative imageHealthcare
EMG sensor front-end: Low-noise myoelectric electrode design for bionic-hand control
For an Indian medical-device company we designed a low-noise surface-EMG electrode front-end for myoelectric control, with a proportional envelope stage simulated in a discrete variant. Status: simulation-validated, fab-ready 4-layer layout (2026); prototype not yet built.
- Status: layout fab-ready, not yet built
- Simulated
- Input noise, vendor-model simulation
- 0.61 µVrms
- Simulated
Design and simulation: June 2026Rapid Circuitry analog design team
Illustrative imageConsumer Electronics
Wireless EMG wearable: Muscle-activity sensor with ADS1292, nRF54L15 and nPM1300
For a fitness-wearable company we designed the electronics of a slim wireless surface-EMG sensor: ADS1292 front-end, nRF54L15 BLE module, nPM1300 PMIC and a BMI270 IMU. Status: Rev A1 schematics and BOM delivered in June 2026; prototype build next.
- Status: schematics and BOM delivered
- Rev A1
- EMG sample rate, gain 6
- 1000 SPS
Rev A0–A1 schematics: 2026Rapid Circuitry electrical engineering
Illustrative imageRobotics
Dexterous robotic hand: 6-DOF motor-control electronics with Faulhaber micromotors and STM32G4
For an Indian medical-device company we defined the control electronics of a battery-powered 6-DOF dexterous hand: six Faulhaber micromotors with 4096-line encoders on an STM32G4. Status: architecture and MCU pin-mux complete (2026); board design next.
- Status: defined; board design next
- Architecture
- Five flexion + thumb swivel
- 6 axes
Architecture phase: 2026Rapid Circuitry hardware team
Illustrative imageConsumer Electronics
TWS earbuds electronics: Bluetooth audio SoC platform schematic in KiCad and a reusable audio block library
For a consumer-audio brand we rebuilt a true-wireless earbud platform, built on a mainstream TWS Bluetooth audio SoC, as a verified KiCad schematic (87 parts, 55 nets, 0 ERC errors) and set up a reusable block library. Status: schematic delivered August 2026.
- Status: platform schematic, Aug 2026
- Delivered
- KiCad ERC (2 intentional warnings)
- 0 errors
July–August 2026Rapid Circuitry hardware team
Illustrative imageConsumer Electronics
Dolby Atmos soundbar electronics: 7.1.2 / 7.1.4 architecture on a multichannel audio DSP SoC
For a consumer-audio brand we are designing the electronics of a Dolby Atmos 7.1.2 / 7.1.4 soundbar on a multichannel audio DSP SoC. Status: architecture and feature-freeze stage (September 2026); schematic design follows sign-off.
- Status: feature freeze, Sep 2026
- In design
- System total; one design, depopulated for 7.1.2
- 12 ch
Started September 2026Rapid Circuitry hardware team
Illustrative imageDrones
Hydrogen drone power system: 5 kW fuel-cell powerpack integration, thermal and mass study
For a hydrogen-powertrain venture in which our founder is CTO, we designed the integration of a 5 kW fuel cell and DC-DC into a heavy-lift drone powerpack, with thermal and mass analysis. Status: design study (2026); no flight hardware yet.
- Status: no flight hardware yet
- Design study
- Air-cooled PEM fuel-cell stack
- 5 kW
Design study: June–July 2026Rapid Circuitry engineering team
Illustrative imageRobotics
Robotic arm controller board: STM32WB six-axis motor-control schematic and pre-layout audit
We designed the schematic of a six-axis robotic-arm evaluation board (STM32WB55 with BLE, three DRV8833 dual H-bridges) and audited it before layout, fixing 14 critical or high-severity errors. Status: schematic complete (2026); PCB layout next.
- Status: audited; layout next
- Schematic
- Critical/high errors fixed before layout
- 14
Schematic phase: 2026Rapid Circuitry hardware team
Illustrative imageHealthcare
Smart IV infusion pump: Stepper-driven infusion control with BLE, Wi-Fi and occlusion detection
For an Indian medical-device company we designed a smart IV infusion pump with stepper flow control, occlusion detection and BLE/Wi-Fi monitoring. Completed by early 2025; cost goal ~50% below imported pumps (design target).
- Lower cost than imported pumps
- ~50%
- Design target
- Project duration
- 6 months
6 monthsTeam of 5
Illustrative imageHealthcare
Oral screening camera probe: Handheld intraoral camera streaming over BLE 5.2, Wi-Fi and UVC
For an Indian medical-device client we designed a handheld camera probe that helps clinicians examine the mouth for oral cancer, with live video over dual-band Wi-Fi and USB UVC and a BLE 5.2 preview link, on a low-cost BOM. Completed by early 2025.
- Wi-Fi and USB UVC video, BLE 5.2 preview
- 3 links
- Project duration
- 8 months
8 monthsTeam of 5
Illustrative imageLogistics
BLE beacon RTLS: Indoor asset tracking for warehouses and commercial sites
For a Dubai client we built a BLE beacon RTLS for indoor asset tracking: custom beacons, RSSI-based trilateration and fingerprinting, OTA updates and a dashboard. Completed by early 2025 and tested in industrial sites.
- Beacon life on a coin cell
- 3+ years
- Design target
- RSSI trilateration + fingerprinting
- BLE
5 monthsTeam of 4
Illustrative imageLogistics
UWB asset tracker: Ultra-wideband RTLS with TDoA and two-way ranging for warehouses
For a Bangalore warehouse-technology company we built an ultra-wideband (UWB) RTLS with custom UWB modules, TDoA and two-way ranging, and WMS integration. Completed and field-trialled in warehouses by early 2025.
- UWB localisation methods
- TDoA + TWR
- In live warehouses
- Field-trialled
6 monthsTeam of 6
Illustrative imageHealthcare
Neonatal vitals wearable: 20 mm wireless SpO₂ and heart-rate monitor for NICU care
For an Indian medical-device client we designed a 20 mm wireless wearable that streams a newborn's SpO₂ and heart rate over BLE, using a MAXM86161 optical module. Completed by early 2025; evaluated in a NICU setting under the client's ethics approval (client-reported).
- Device diameter
- 20 mm
- Integrated SpO₂ / heart-rate optical module
- MAXM86161
8 monthsTeam of 6
Illustrative imageManufacturing
ToF tank level monitor: Non-contact level sensing with the VL53L0X and LoRa, BLE or Wi-Fi
For an Indian industrial client we built a non-contact tank level monitor on the VL53L0X time-of-flight sensor, with LoRa, BLE or Wi-Fi telemetry and refill alerts. Completed by early 2025; >1 year on battery is the design target.
- No floats or moving parts
- Non-contact
- Battery-powered operation
- >1 year
- Design target
6 months
Illustrative imageSmart Buildings
mmWave people-counting sensor: Privacy-preserving radar occupancy detection with edge processing
For a Dubai smart-building and retail client we built a camera-free mmWave radar sensor that counts people and detects presence, with edge AI filtering. Completed by early 2025; >95% people-count accuracy is the design target.
- People-count accuracy (counted vs actual)
- >95%
- Design target
- Privacy-preserving radar sensing
- No camera
4 monthsTeam of 4
Illustrative imageHospitality
Hotel call-button system: Battery-powered Wi-Fi call buttons on a self-healing mesh for staff alerts and guest requests
For a hotel client in Oman we built battery-powered Wi-Fi call buttons on a mains-powered, self-healing mesh for staff alerts and guest requests, with alert location, a dashboard and an app. Completed by early 2025.
- Battery life per button
- 2 years
- Design target
- Self-healing, mains-powered relay nodes
- Wi-Fi mesh
3 monthsTeam of 5
Technologies we use most
- STM32
- ESP32
- nRF52
- LoRaWAN
- BLE 5.0
- Wi-Fi
- LTE-M/NB-IoT
- FreeRTOS
- Zephyr
- Embedded Linux
- TensorFlow Lite
- AWS IoT
- Azure IoT
- Edge AI
- PCB Design