ITEAD Studio’s Sonoff are low-cost wireless switches based on ESP8622/ESP8285 WiSoC, and supporting WiFi and/or 433 MHz connectivity. They usually come with a firmware that allows users to control them with eWelink app for Android or iOS. But many people will install alternative open source firmware such as Sonoff-Tasmota or ESPurna to get more flexibility such as the ability to use MQTT. But the company’s latest models, including Sonoff MINI and R3 series, implement a “DIY” REST API that allows you to control the device, or flash the firmware over a LAN connection. Sonoff MINI two-way Smart Switch Sonoff MINI is designed to be installed behind existing wall-mounted light-switches and wall-mounted power-sockets. Specifications: Terminal blocks with 6x inputs/outputs: N/L Inputs – AC 100-240V 50/60Hz 10A Max N/L Outputs – AC 100-240V 50/60Hz 10A Max S1/S2 – Designed to optionally connect a standard on/off switch Connectivity – Wi-Fi 4 – 802.11 […]
ANAVI Thermometer was launched on CrowdSupply in January. It is an ESP8266 WiFi board with a built-in DHT22 temperature and humidity sensor, support for external DS18B20 waterproof temperature sensor, as well as other sensors thanks to three I2C sensors. I received the ANAVI Thermometer starter kit last month, and I’ve only found time to play with it in the last few days. I’ll start with a unboxing, assembly guide, before showing it action, and I’ll try to make it interface with Home Assistant over MQTT. ANAVI Thermometer Starter Kit Unboxing The kit comes with ANAVI Thermometer board, a plastic stand, a USB to TTL debug board, an I2C OLED display, a few nuts and bolts, and a couple of KiCad and ANAVI stickers. Leon ANAVI also added a traffic light board and LEDs, but it’s not normally part of the kit 🙂 ANAVI Thermometer board include an ESP8266 module, AM2302 […]
We’ve previously covered two smart RGB light bulbs with AI Light and Sonoff B1 models, and they are especially interesting since they can work with open source firmware like ESPurna or Sonoff-Tasmota. However, their brightness is limited, and in the case of Sonoff B1 it’s especially true when using colors other than white. A brighter WiFi RGB LED light bulb might be Geekbes BR30 which is said to be rated 9W and delivers 900 lumens against the 6W / 600 lumens for Sonoff B1, and does not cost more much at $19.99 on GeekBuying. Geekbes BR30 specifications: Color – White: 2700K-6500K + RGB (16 million colors) Brightness – 900 lm Light emitting angle – 120 degrees E26 plug Connectivity – WiFi Supply Voltage – AC100-240v 50-60HZ Rated Power – 9W Standby Power – <= 0.3 W Service life – 20000 hours Temperature Range – -20 to +40°C Ingress Protection Rating […]
With new products released every day, it’s easy to be overwhelmed by the choice, so I’ll provide purchase links to products that I’ve either tested, or are recommended by the community for TV boxes, mini PCs, 3D printers, Linux development boards, MCU / IoT boards, and home automation products. To keep it simple, I’ll select up to 3 products in each category. TV Boxes I’ve already details some of the best TV boxes, and a list of criteria that are important when selecting a TV box in my post entitled What’s the Best Android TV Box (2017/2018 Edition)?, so I’ll provide purchase links to some of the best options. NVIDIA SHIELD Android TV for best Android TV and gaming experience around $200 on Amazon. MINIX NEO U9-H for a solid Android experience for 4K videos and audio-passthrough (not Android TV), around $150 on Amazon, GeekBuying, or GearBest.(MINIX NEO A3 air […]
ITEAD Studio very recently launched their Sonoff S26 WiFi Smart plug as a more compact and cost effective upgrade to their Sonoff S20 smart sockets, and which comes in 6 different versions for China, Australia, the United Kingdom, the United States, Europe type F for Germany, Austria, the Netherlands, Sweden, Finland, Norway, Portugal, Spain and Eastern Europe, and Europe type E for France, Belgium, Poland, Slovakia, the Czech Republic, Tunisia and Morocco. You can find the one that suits you most on World Standard website. I was interested in getting the device, mostly to check the hardware design, so the company sent me one sample to try out. Sonoff S26 Unboxing Sonoff S26 comes is a white package with Sonoff branding. I received the US type plug (S26B model) which includes a ground pin on both side, so it’s not suitable for most sockets here in Thailand that do not […]
One recurring issue with smart plugs / sockets is that they are often designed with a specific prong type, so if you want to use them in our country you may have to add an adapter, which may not be ideal, since the socket may fall off or have bad contact. Sonoff S26 WiFi smart plug solves that issue as ITEAD Studio made it available in six different versions for China, Australia, United Kingdom, Europe type F, Europe type E, and the United States. Sonoff S26 specifications: Standard – US/ UK/ CN/AU/ EU(type F/E) Power supply – 90V~250V AC @ 50/60Hz Max. Current – 10A Max power – 2200W Connectivity – 802.11.b/g/n 2.4G WiFi with WEP/TKIP/AES encyprtion, WPA-PSK/WPA2-PSK security Dimensions – 104 x 55 x 73 mm (Fire Retardant ABS enclosure) Weight – 130 grams Temperature Range – 0ºC-40ºC Humidity- 5%-90%RH, Non-condensing Certification – CE Just like other Sonoff devices, […]
Hey Karl here. I thought I would try and showcase some GitHub projects that I run into that seem interesting or fun. This week I will start out with 2 projects. Zigbee to MQTT bridge The first one today is a Zigbee to MQTT bridge. Previously we did a couple articles with 433MHz bridges for home automation, a diy RF bridge and one by Sonoff. This bridge is similar but with Zigbee. Unfortunately 433MHz typically have one way communications, and when a message is sent there is no response and the system has to assume the message is received. Zigbee is a 2 way protocol and an acknowledgement can be sent back. The code is moving fast right now and blowing up my GitHub notices. It is a little bit of a mystery on how this works right now with the parts list, but seems to be working for some […]
Automation used to happen in your local network, while the Internet of Things obviously relies on an Internet connection, but in recent years both categories merged in some ways, so I’ve gathered related links in this page to offer an easy access to those resources. ESP8266 & ESP32 Getting Started Guides Espressif Systems WiFi SoCs have become really popular in the maker community thanks to their low cost, and great community and software support around the platforms. Over the years, I’ve written a few tutorials showing how to get started on ESP8266 WiSoC or the newer ESP32 WiFI + Bluetooth LE SoC: Getting Started with NodeMCU Board Powered by ESP8266 WiSoC (Lua programming Getting Started with Wemos D1 mini ESP8266 Board, DHT & Relay Shields (Arduino firmware) Getting Started with ESP32-Bit Module and ESP32-T Development Board using Arduino core for ESP32 Getting Started with Espruino & JavaScript on ESP32 with […]
