The plastic case, brand is called zkteco. fingerprint recognizer on the bottom, a speaker on the back side case. The backside hooking case Main PCB includes DRAM, main controller called multi-bio 300 but no information can be found. wifi module called CDtech. speaker and amplifier audio driver is...
This is the main look from the ouside, the camera ball are controlled and rotate in two degree, horizontally and vertically, good design. The microphone sound is also crystal clear to talk.
Info This claw is used for drone, to pickup items or drop items. I used for pickup "crashed" small size other drones. This is a chinese made drone claw, so far I have not found the claw 3d printed parts on any 3d printing collection website yet. The claw part...
The car is also fully water proofed, let's see how they did. And estimated their cost and profit. Also we will focus on the electronics how it works.
Hi! Wish have good a year of 2020, good health and happy life. We just back from a long local holiday, also called Chinese lunar year. Sorry for the late reply during this time. This won't have in this year anymore. We currently have another situation is the corona-virus spreading in China,...
C compiler GCC in windows can help you to quick start with c code learing, also try many preincluded functions. ...
We have tried first round of test, very very simple setup, to just make sure all can work and what is the performance by default without any optimize.
We are pleased to inform that our boards and modules have been used during course "Internet of Things" at the WSB University in Wroclaw (Poland, UE).
ESP3212 board based on ESP32 IC will be ready on around 20th,
Thanks to customer Mark, here is wiring diagram of the flow sensor/meter with esp8266, the key point is needing a 555 timer chip as a Schmitt trigger. Also the VCC voltage of flow sensor is 5V, and esp8266 is 3v3, a voltage divider is needed in the circuit. You can find the flow...
