1 #58 ESP8266 Sensor runs 17 days on a coin cell/transmits data (deep-sleep)
Andreas Spiess builds an ESP8266 sensor that runs 17 days on a coin cell using deep sleep; a common starting point for battery-powered Wi-Fi sensor projects.
Topic
esp8266
9 videos. Ranked by independent recommendations, not by views.
2 ESP8266 Wifi Range/Distance Tests (Wi07C)
CNLohr tests ESP8266 Wi-Fi range, including with an external antenna; cited as a benchmark when people's modules perform worse than expected.
3 #47 Power Saving with ESP8266 (Sleep Mode) Tutorial with some Tricks
Andreas Spiess covers ESP8266 sleep modes and measures its current spikes; cited both for low-power design and for why the module needs decent supply capacitance.
4 WebSockets for awesome on the ESP8266
CNLohr demonstrates WebSockets on the ESP8266 streaming real-time stats at hundreds of updates per second; cited as evidence of how responsive the chip can be.
5 Arduino Crypto Currency Display
A build walkthrough for a small cryptocurrency price ticker on a NodeMCU board with an OLED screen, with code shared on GitHub.
6 5$ Arduino WiFi Module!? ESP8266 mini Tutorial/Review
A five minute introduction to the bare ESP8266 module, covering how to power and wire it up, recommended as essential before a first ESP-01 project.
7 #91 How to properly power the ESP8266 modules
Andreas Spiess works through powering an ESP8266 from a battery, covering the calculations involved, oscilloscope traces and adding a capacitor across the supply pins.
8 Program ESP8266 Via Arduino Uno
Shows how to flash or program an ESP8266 module using an Arduino Uno as the serial adapter when no FTDI cable is to hand.
9 Extreme Power-Save Mode: ESP8266 powered ON after External Interrupt
Shows an ESP8266 kept fully off through its CH_PD pin and powered up by an external interrupt; suggested for battery sensors that should only wake on an event.
