Posted in ESP8266, IoT, Product News on Apr 23rd, 2015
Since the first version of ESPToy, I’ve done some pretty rapid revisions. This post is to introduce the new minor revision 1.21, with LiPo battery jack and charger. As you can see in the annotated diagram below, the main components are the same as ESPToy 1.2: a color (RGB) LED, pushbutton (wired to GPIO0, so […]
Posted in ESP8266, IoT, MakeBusiness on Mar 30th, 2015
A little while back I released the very first version of ESPToy — a ESP8266 Development Board with a few useful on-board components like color LED, button, and temperature sensor. It has a built-in ATmega644 microcontroller, and pin headers for plugging in a ESP-01 through-hole WiFI module. Shortly after that, I discovered the Lua firmware […]
While playing with my ESPToy today, I discovered a rather bizarre issue. The symptom is that some ESP8266 (the ESP-01 version) modules became very hot to touch. In fact, a couple of them started smoking, and the red indicator LED started burning away! Shocking. What’s even more shocking is that these modules continue to function, […]
ESP8266 module and ESP8266 Toy are available for purchase at OpenSprinkler Store. ESPToy version 1.2 announced! Check out the announcement post here. Resources for Programming ESP8266 using Arduino Content Introduction Features Demos Programming Flashing a New Firmware to ESP8266 ESP8266 — a very low-cost and flexible Serial-to-WiFi module that has gained a lot of popularity […]
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