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6277 Results for "esp8266"

  • One-Wire Communication
  • Instructions     from ESP8266 SDK Tutorial, Part 3
  • Besides communicating with Adafruit IO over MQTT, we also need to grab temperature samples from the DS18B20. This is mostly for testing, as full integration into a project will be in the next part of this series. The DS18B20 uses the 1-Wire protocol,...

  • Means of Colorful Lighting
  • Details     from Means of Colorful Lighting
  • Features: ESP8266 module, with SMT programming header (I spared the USB interface, so program it with a pogo-pin programming jig)TPS62135 DC/DC converter with 5-17 volt input range and up to 4 A output current at 5 V. Short circuit protection, over-temperature...

  • ESPCLOCK2
  • Details     from ESPCLOCK2
  • It has been 2 years since I worked on ESPCLOCK V1. I actually started the design for V2 shortly after that, and bought all the required parts, but stuff happened, and I didn't get to spend much time on the project. But things are getting back on track...

  • Marlin! (Round 2)
  • Log     from Lerdge 3d Printer Mainboard Hacking
  • First off, some clarifications from discoveries since the last log:1. The USB B /CH340 and ESP8266 share the same USART, Serial1. This is why plugging in USB kills the ESP - they didn't want conflicts.2. I've had no success getting USB working through...

  • Version 16 Prebuild Fixes
  • Log     from Webot
  • ElectronicsTested the photo diode sensors on Version 15 and was not seeing a high enough voltage  for the ESP8266 to get the high input. Decided to run the the resistor before the sensor instead of after. Breadboarding it showed promise and so I redid...

  • System Architecture
  • Log     from Smart IOT thermostat
  • Network Topology For this project I decided to go for a star network topology to build my smart thermostat, this is a system where there are a number of nodes, all connected to a central hub (see below).  Star network topology This model brings...

  • WiFi to 433 MHz bridge
  • Details     from WiFi to 433 MHz bridge
  • Sniffing packets For ability to replicate switch on-off packets, I've built 433 MHz sniffer on breadboard. This subproject involved ESP32 and XY-MK receiver module. Then, I've used ShowReceivedCode.ino example to retrieve unit address...

  • Where Next?
  • Log     from Thumb Keyboard
  • This project was featured on hackaday.com yesterday. This surprised me as it's at such an early stage, but thanks anyway [Brian Benchoff]! Seeing as this has brought some more attention to the project I thought it would be a good time to explain where...

  • Why ESP32 is actually reliable?
  • Log     from Chipperb
  • So our winner is ESP32, woohoo! According to the set of criteria, it is quite suitable for our undertaking. And, since we stopped at it, a couple of words about reliability, as promised. From the moment of my fleeting acquaintance with ESP, initially...

  • Slowly moving forward
  • Log     from Bee hive health monitor
  • Well, we have the HX711 and scales figured out but each set seems to require its own calibration. For the scales we were converting the actual performance is a curve (exponential) and not a straight line. The two github HX711 libraries we tried are linear...

  • OLED + MicroPython = ?
  • Log     from Playing with MicroPython on the ESP
  • import machine, ssd1306 import urandom def randint(min, max): # ESP8266 does not have randint. Remove this if you're on the ESP32.' span = max - min + 1 div = 0x3fffffff // span offset = urandom.getrandbits(30) // div val = min + offset return val class...

  • trigBoard v7
  • Details     from trigBoard v7
  • Just another ESP8266 WiFi board? Let's see: - LOW POWER!  That's the special sauce right there.  When idle, it pulls less than 1uA... your smoke detector probably uses more power than this.  But here's the best part, it wakes up via a...

  • Wind Station Based on MQTT &AWS
  • Details     from Wind Station Based on MQTT &AWS
  • 1. Basically, an anemometer; 2. Temperature and humidity sensor; 3. Air pressure sensor. As they are forecasting for strong wind/rain; 4. Connection module to the internet. I use the ESP12 wifi module; 5. And, a waterproof case, and power...
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