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- 4D Systems
- 8bitcade
- Adafruit
- AIY
- AllThingsTalk
- Amazon Alexa
- Amazon Web Services
- Analog Devices
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- Android Things
- Anycubic
- Apple
- Arduino
- Arm
- Arm Mbed
- Atlas Scientific
- Atmel
- Autodesk
- Avnet
- balena
- Bare Conductive
- BeagleBoard
- BITalino
- Blues Wireless
- Bluz
- Blynk
- Bolt IoT
- Bosch
- C.H.I.P
- circuito.io
- CircuitPython
- ControlEverything.com
- Cypress
- DeviceHub.net
- Dexter Industries
- DFRobot
- Digilent
- Digispark
- Eclipse IoT
- Edge Impulse
- EduBlocks
- Electric Imp
- Elegoo
- Ender
- Espressif
- Espruino
- Everything ESP
- evive
- GoPro
- Helium
- Hologram
- Home Assistant
- Honeywell
- IBM
- ICStation
- Idiotware Shield
- IDT
- IFTTT
- Infineon
- Intel
- Itead
- Java
- JLCPCB
- Jupyter
- KiCad
- LabVIEW
- Leap Motion
- LEGO MindStorms
- LeMaker
- Linux
- Linux Arm
- Losant
- M5Stack
- Makeblock
- MATLAB
- MATRIX Labs
- Maxim Integrated
- Meadow
- MediaTek Labs
- micro:bit
- Microchip
- MicroPython
- Microsoft
- MikroElektronika
- MIT App Inventor
- Mongoose OS
- Mouser
- MQTT
- myDevices
- NeoPixel
- Netduino
- Neuton Tiny ML
- noads
- Node-RED
- NodeMCU
- Nordic Semiconductor
- NVIDIA
- NVIDIA Jetson
- NXP
- Oculus
- ON Semiconductor
- Onion Corporation
- OpenCat
- OpenCV
- Panasonic
- Particle
- PCBWay
- Philips hue
- PHPoC
- Pimoroni
- PINE64
- PlatformIO
- Prusa
- Punch Through
- PX4
- Pycom
- Python
- Qualcomm
- RakWireless
- Raspberry Pi
- RedBear
- Renesas
- RobotGeek
- ROS
- RT-Thread
- Samsung IoT
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- SensiML
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- SmartMatrix
- SmartThings
- Sony
- SparkFun
- STM32 Nucleo
- STMicroelectronics
- Teensy
- TensorFlow
- Texas Instruments
- The Tactigon
- The Things Network
- Thinger.io
- Things On Edge
- thingSoC
- ThingSpeak
- TinyCircuits
- Tuya
- Twilio
- Ubidots
- Ubuntu
- UDOO
- Unity
- Visuino
- VoCore
- Walabot
- Weather Underground
- Wilderness Labs
- Windows
- Xamarin
- XBee
- Xilinx
- Zerynth

Project Eel
Monitoring river water quality based on open-design multi-parameter sonde, built along with QuickFeather and SensiML service.
By
Ankur
Moderate

555 Pulse Generator Module, How It Works
The 555 timer IC is an integrated circuit that is used in a variety of timer circuits, pulse generators and oscillator applications.
By
tarantula3
Easy