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    --- tags: smartcitizen --- # ACCIO - Ocean Ecostructures ## Referencias - Cave Pearl Proyect: - https://thecavepearlproject.org/2023/03/17/waterproofing-your-electronics-project/ - https://thecavepearlproject.org/how-to-build-an-arduino-data-logger/ - Open CTD: - https://github.com/OceanographyforEveryone/OpenCTD/blob/main/Documentation/Complete%20Manual/OpenCTD_ConstructionOperation.pdf Captura de diferentes sistemas: ![](https://i.imgur.com/YbY2hpg.png) ## Proyecto Proyecto de ACCIO, financiado para proveer servicio a OCEAN ECOSTRUCTURES para hacer una estación de agua multiparamétrica que mida a <10m de profundidad. Con conexión online. En la primera reunión se definen los requerimientos técnicos (ver [notas](#Minutes-06032023)) ## Timeline * Primera visita a instalaciones (ALL): Segunda semana de Mayo 2023 * Entrega Primer prototipo (+1 mes después de la visita) (FL): Primera semana de Junio 2023 * Prueba de primer prototipo (OE): Junio de 2023 * Entrega Segundo prototipo (FL): Julio 2023 * Prueba Segundo Prototipo (OE): Agosto 2023 * Cierre: Septiembre 2023 ## Desarrollo Primer draft: ![](https://hackmd.io/_uploads/Syn1NXqEh.jpg) ## Reuniones ### Minutes 06/03/2023 **Asistentes:** Pol Óscar - Sensores + Métricas a medir * pH * Temperatura * Oxígeno disuelto * Conductividad * NUEVO: Fotómetro (índice k) (para segundo prototipo) * NOTA: Presión no es necesaria + Características en el documento de propuesta: https://docs.google.com/document/d/1w74L6xi4im8y58OiKNOasRSXBKsqhgoWcx_kBKCMP6o/edit * Temperatura (sensor más barato?): - Probe type Class A platinum, RTD - Range -200 ̊C to 850 ̊C - Accuracy +/- (0.15 + (0.002t)) - Reaction Time 90% in 13s - Life expectancy 15 years * Conductividad (K10): - Range 10 μS/cm − 1 S/cm - Accuracy +/ – 2% - Response time 90% in 1s - Temperature range °C 1 − 110 °C - Max pressure 200 PSI - Max depth 141m (463 ft) - Internal temperature sensor No - Time before recalibration ~10 years - Life expectancy ~10 years * Oxígeno disuelto: - Range 1 − 50 mg/l - Accuracy +/– 0.2 mg/l - Response time ~0.5 mg/l/per sec - Temperature range °C 1 − 50 °C - Max pressure 689 kPa (100PSI) - Max depth 70m (230 ft) - Time before recalibration ~6 Months - Life expectancy 2.5 Years - Maintenance ~6 Months * pH: - Range 2 − 13 - Resolution +/- 0.1 - Accuracy +/- 0.1 - Response time 95% in 4s - Temperature range °C 1 − 60 °C - Max pressure 50 PSI - Max depth 35m (114 ft) - Time before recalibration ~3 months - Life expectancy ~12 – 18 months * Fotómetro a definir - Método de sujección + Profundidad de medición: 3 a 5m + Restricciones: no hay restricciones de espacio. Se puede poner el tipo "bulk" * Se puede usar la propia estructura de "pared" que instalan para dar soporte a los sensores * Evitar tener que entrar al agua para hacer le mantenimiento de las sondas - sistema para extraerlas desde superficie * No se instalan en una zona restringida, por lo que hay que preveer posible vandalismo + Caja Electrónica: * Caja IP65 gris donde instalar la electrónica * Se puede instalar en zona próxima sin problema, en poste o similar - Alimentación + Opciones * Alimentación permanente con AC y batería de back-up - Aviso por correo electrónico con batería baja (es posible 70%?) si no, no es problema - Aviso por "falta de datos" - Método de guardado de datos - Por defecto * SD-card - Se guardan igualmente siempre que haya una SD-card - Además hay una memoria "de backup" interna, en caso de que todo falle (sd-card o WiFi) * Wi-Fi - Es posible que haya redes en el puerto, pero no podemos garantizar el acceso, es mejor ir con un punto de acceso con sim-card prepagada. + Alimentación por CA al mismo punto de acceso + Reenviar los datos a otra plataforma * Dos opciones: - Sensor manda los datos a vuestra plataforma + Los datos que salen de los sensores no necesitan post-procesarse en plataforma de SC + Se puede mandar via MQTT - Se piden los datos a nuestra plataforma (API) + De forma manual (pedir los datos) + De forma automática (script que manda los datos cada)

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