Compared with the "high price" of the previous generation Yeelight bedside lamp 249 yuan, the price of the newly released Yeelight LED bulb (white light version) has to be close to the public, only 59 yuan. The new model has reduced the previous bedside lamp into a light bulb and removed the color function. However, the core WIFI remote control switch and brightness adjustment function are still retained, which is also the "smart" of the light bulb. In addition, unlike the first-generation products, the second-generation Yeelight LED lights not only support the Xiaomi router, but also support other brands of intelligent router access, which can be controlled through the Xiaomi Smart Home APP. The following is the charging head network to bring you the latest Yeelight LED bulb (white version) out of the box evaluation, to see what a "light pattern" can play a white light bulb.
First, Yeelight LED bulb (white version) out of the box
Let's take a look at the official parameters:
Product model: YLDP01YL
Size: 55 × 120 mm
Interface: E27 universal screw
Power consumption: 8W
Brightness: 600 lumens
Color temperature: 4000K
Life expectancy: 25,000 hours
Pure white packaging box, only the Yeelight logo on the front of the box, very simple, of course, the packaging design style of Xiaomi ecological chain products is basically the same.
The back of the package is printed with information such as working parameters and origin, and a barcode is attached to the product.
Open the box to remove the main body of the Yeelight LED bulb (white light version), the top is a milky white acrylic lampshade, adding white toner to achieve a soft light effect; the main part is fireproof plastic material.
The Yeelight LED bulb (white light version) has a lotus-like shape.
The E27 screw is exquisitely crafted.
Second, Yeelight LED bulb (white version) dismantling
A little bit of violence is required to separate the milky acrylic lampshade from the body.
The tongue protruding from the middle of the LED main board is the WIFI control board.
Closely look at 7 warm white LED patch beads, 4000K color temperature, arranged in series from D1-D7, connected in series, the entire substrate is fixed by two screws. The internal number EDQ1345-52-R, version 1.1, was screen printed on the substrate, and the internal iteration was carried out; the production cycle was the 45th week of 2015, which was about mid-October. In terms of details, the welding of the positive and negative wires is fixed by using white glue, which also serves to prevent short circuit by insulation.
The family portrait that was taken out.
Separate the LED from the heat sink module with a
thermal grease filled in between.
Inside the plastic case is a layer of aluminum that assists in heat dissipation. The metal is embedded in the plastic here, which is similar to the two-color injection molding process.
A well-crafted circuit board with a separate white circuit board on the right side is a WiFi control board. When we opened the lamp, we found two switching transformers. The Yeelight LED bulb (white version) uses two independent power supply modes to share the rectification filter; the small transformer supplies power to the WIFI module, and the large transformer supplies power to the LED lighting module. .
The work on the back is still exquisite and neat.
The orange frame ic model comes from the American PI, LNK623dg with the primary side precision constant voltage (CV) control of the energy-efficient, off-line switch IC; the red frame ic model ssl21084t is the led drive ic.
Rectifier bridge model mb6s.
The yellow frame ic model GD25Q16CSIG comes from the GIGADEVICE 16Mb SPI FLASH; the red frame ic model 88mw300 is the Marvell IoT microcontroller 88MW300, which integrates the Cortex-M4 MCU and WiFi all-in-one control chip, which is equivalent to the brain of the smart bulb; the upper right corner There is also a conspicuous solid capacitor.
Primary protection circuit.
Isolation transformer.
Third, Yeelight LED smart light bulb (white light version) experience
After pressing the bulb on the socket of the threaded port, the most important thing is to download the Xiaomi Smart Home APP and connect the bulb. Officially available Android and iOS clients, you can scan the code to download.
Open the Smart Home app and click on the plus sign in the upper right corner to add the Yeelight white light bulb. It can be seen that the APP has popped up to reveal the new device.
The software will ask for a link to the home's WIFI.
Start connecting the bulb with the millet server.
The link was successful.
Click on the Yeelight white light bulb sub-page. When the switch is not turned on, the background color of the interface is night sky.
After the opening, the background of the interface becomes brighter. This is also a quasi-physical design, which is very intuitive.
Click the secondary menu button in the upper right corner of the sub-page to enter the settings page. Delay off light: You can slide to select the delay time. After you have finished selecting it, remember to click Save. New light group: If there are multiple smart bulbs, you can use this group control; share the device: share the bound smart home device to your family. Easy to use together; time switch: This is a good understanding, basically the standard of intelligent hardware products; intelligent scene: with Xiaomi smart family set can trigger the instructions to turn on or off the smart light bulb in different scenes, eliminating the manual operation Trouble, basically applied is the IFTTT principle.
A simple experience here, summed up: the emergence of the Yeelight LED bulb (white light version) can be said to be a breakthrough in the Yeelight smart light bulb series, retaining the core functions and reducing the price to a level acceptable to the public, Yeelight previously launched the bed Headlights (249 yuan), color-changing light bulbs (129 yuan) can only be part of the consumer's playthings, this white light version of the smart light bulb is expected to enter more families, more than one light bulb with Xiaomi smart family set can set their own A variety of gameplay, suitable for multiple scenarios. To be honest, there is no shortage of smart bulbs near the price of 59 yuan, but the advantage of Yeelight LED bulbs (white version) is to integrate Xiaomi smart home APP resources. One APP can link multiple intelligent hardware products together, and consumers have no reason. In order to choose other home smart bulbs, go to install an APP. A small smart light bulb can show the potential of Xiaomi in the smart home field. As for the light bulb itself, I hope to add the same WeChat and bracelet control functions as the bedside lamp in the late stage. One more control entrance can add more usage scenarios.
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