Bertrik Sikken

cc2540. Utilities for sniffing bluetooth low-energy (BLE) packets using a CC2540 USB sniffer dongle

loratest. Arduino project for a transmitter and receiver using the RadioHead library with RFM95W modules

mhz19. ESP8266 arduino project to read a CO2 value from a MH-Z19 sensor and post it on MQTT

pms7003. Dust monitor consisting of an ESP8266 forwarding data from a Plantower PMS7003 dust sensor

ElectronicLoad. Arduino software for an electronically controlled load, based on a STM32 microcontroller

NoiseLevel. Environmental audio noise level meter

hlk-ld2410. Protocol implementation for HLK-LD2410 radar module

pm1006. Arduino project to communicate with the Cubic PM1006 particle sensor

GridFrequency. Arduino project to measure mains/grid frequency and publish it as SSE and MQTT streams

LoraWanPmSensor. Particulate matter sensor using LoRaWAN as the transport mechanism

ttn-gateway-collector. Collects data from multiple TTN (v3) gateways for LoRaWAN traffic analysis

EspNowSkip. Music skip button for hackerspace Revspace based on the ESP8266/ESP32 ESP-Now protocol

sensor-data-bridge. Bridge software for receiving airborne particulate matter measurements from TheThingsNetwork and forwarding them to sensor.community and opensensemap

espwifisniff. Experiment to create a wifi sniffer based on an ESP8266

aithinker-rd03. Arduino software to interface an ESP8266 with the AiThinker RD-03 radar module

nyancat. C project for generating an animated gif suitable for displaying on an 80x8 led banner

CameraWebServer. Platformio build of the ESP32 CameraWebServer code example

cubecelldemo. Basic example project for the Heltec CubeCell HTCC-AB01 board, using Arduino and platformio

wifitracker. Location tracker based on WiFi

hlk-ld303. Protocol implementation for HLK-LD303 radar module

ttnhabbridge. Bridge between TheThingsNetwork/Helium and the habitat network, to receive amateur balloon telemetry using LoRaWAN

lora-e5. Basic Arduino projects with the LoRa e5 module

stofananas. A light that indicates (by colour) the particulate matter concentration of the nearest sensor.community particulate matter sensor

lichtkrant. Arduino ESP8266 software for driving a 80x7 pixel red/green/amber moving LED sign

ibutton-test. Testcode to read/write data on a DS1961 SHA-1 iButton

MainsFrequency. Arduino projects for measuring the frequency of the mains grid

stofradar. Visualization of the sensor.community particulate matter data onto a map of the Netherlands at https://stofradar.nl

airquality. Arduino test application for air quality measurement using a DHT-11 and an MQ-135 sensor

mainsfreq. Arduino program to determine mains frequency and publish it over MQTT

scarlettscroller. Arduino firmware for controlling an 80x7 red LED scroller

PowerLight. Arduino project showing current power generation mix as a pie chart on a LED ring light

esp32ble. Simple demo project of an ESP32 talking to an "anti-lost" iTag over BLE

Arduino_Core_STM32. STM32 core support for Arduino

tvocmeter. Sensor that measures equivalent total volatile organic compounds (TVOC) and publishes it over MQTT

rflink. Radio-interface for model vehicles

peopleinspacenow. Indicates the number of people currently in space (> 100 km above earth) on an m5stack atom matrix

sds011. Arduino project for decoding sds011 dust sensor output and publishing it over MQTT

verkeersdrukte. Serves near-realtime traffic data (speed/intensity from NDW) for dutch roads in a friendly format (geoJSON, JSON, SSE)

MysteryLidar. Investigation of an inexpensive Lidar bought off Aliexpress

KernelDriverCourse2015. Files for the Linux Kernel Driver Programming Course 2015, see https://revspace.nl/KernelDriverProgrammingCourse2015

soundforce. Firmwares for http://sound-force.nl/?page_id=2212 updated for use with platformio

pmlamp-espnow-proto. Arduino project to show particulate matter concentration as a LED colour, communicated over ESP-now

GorbaDisplay. Arduino code for controlling a Gorba 128x16 LED panel using an ESP8266

tibat. Arduino software for the "Tiny bat detector kit"

dustsensorbridge. Bridge from dust sensor MQTT to Influx DB for project https://www.samenmetenaanluchtkwaliteit.nl/

lorasyn. Experimental tool for generation of lora-like signals

brewcounter. Listens to a nespresso coffee maker to count number of cups brewed

minishell. Presents an interactive command shell on any Arduino Stream (e.g. Serial)

ntrip-tools. Java code to interact with NTRIP servers

mesh-backend. Experiments to interact with Meshtastic

energymix-server. Collects energy-related data (electricity and natural gas) and republishes it over a simple REST API

esp-ccs811-bme280-mqtt. ESP8266 CCS811/BME280 MQTT air quality sensor

picoballoon. pico balloon payload tracker

revcamledje. ESP8266 arduino project to indicates that someone is watching a RevSpace webcam

miniwordclock. C

ElectricityPrice. Arduino project to display current day-ahead electricity price

LoRaSoundkit. This Soundkit sensor measures continuously audible sound by analyzing the data using FFT

lorabatbox. An activity logger that uploads activity over LoRa to TTN