Anson Bao
Mar 23,2021
78
Active Low Pass Filter Circuit Analysis using Siglent SDS2102X Plus Oscilloscope [Part-1]
In this video, I explain some theories behind a low pass active filter circuit, then I built a simple active low pass filter using the LM358 opamp. I tested the filter's behavior using the Siglent SDG...
Anson Bao
Feb 27,2021
2671
Cheap USB to UART Converter using Microchip MCP2200
By Hesam Moshiri, Anson BaoNowadays USB port is used widely for data transactions between electronic devices and computers. In many scenarios, there is no need to communicate with the USB port directl...
PCBWay
Jan 19,2021
1582
Back Drilling --- A special craftsmanship of control depth drilling
What is Back Drilling?Backdrill is the process of creating vias by removing the stub in multilayered printed wiring boards, to allow signals to flow from one layer of the board to another. (The stubs ...
Anson Bao
Jan 07,2021
5002
30V-4A Adjustable Power Supply (CC-CV)
By Hesam Moshiri, Anson BaoPower supplies are one of the most popular topics in electronics. There are two major types of regulated power supply: linear and switching. Both power supply types introduc...
PCBWay
Dec 18,2020
575
Have You Ever Seen These Pads?
The pad is the basic unit of PCB surface mount assembly. On the printed circuit board, the electrical connections of all components are made through pads. So, what are the pad shape and the standards ...
PCBWay
Dec 11,2020
820
What Tg means to FR-4 board?
The role of the substrate for printed circuit boards is as important as the role of printed circuit boards for electronic devices. According to the property of PCB substrate, it can be divided into or...
PCBWay
Dec 04,2020
1668
Why Some PCBs Need Edge Plating?
Some people may have seen many industrial pcb boards or RF pcb boards with a circle of vias and copper tape around them, and even some RF pcb boards will be metalized around the sides of the board. Wh...
PCBWay
Nov 27,2020
513
Tips for soldering ---How to solder perfectly.
1.Tools for Hand solderingElectric soldering iron/ stand/ Hot air gun/ Soldering head etc.Conditions for soldering:Solderable parts/ Clean soldered metal surface/ Suitable flux/ Proper soldering tempe...
Anson Bao
Nov 23,2020
5921
A Digital FM Receiver with Arduino (Including 3W+3W Class-D Stereo Amplifier)
By Hesam Moshiri, Anson BaoFM transmitters/receivers are among the top favorite circuits of any electronic enthusiast. In this article/video, I have introduced a complete digital FM receiver design th...
PCBWay
Nov 20,2020
1589
7 Surface Finish in PCBWay
A conventional printed circuit board (PCB) has a copper layer on the board. If the copper layer is not protected, it will be oxidized and damaged, directly affecting subsequent soldering. And surface ...
PCBWay
Nov 17,2020
970
Build Your IoT Sensor Network — STM32 Blue Pill + nRF24L01 + ESP8266 + Apache Mynewt + thethings.io
Law of Thermospatiality: Air-conditioning always feels too warm AND too cold by different individuals in a sizeable room.Law of Thermospatiality in actionIt’s impossible to get perfect air-conditionin...
PCBWay
Nov 13,2020
658
Principles of Graphic Transfer Technology
Principles of Graphic Transfer Technology （Exposure- DES）Under a certain temperature and pressure, a dry film is attached to the board surface, and then the negative film is used for alignment, and fi...
PCBWay
Nov 06,2020
2304
3 Tips for RF PCB Layout
Because the radio frequency (RF) circuit is a distributed parameter circuit, skin effect and coupling effect are prone to occur in the actual work of the circuit, so in the actual PCB design, it will ...
PCBWay
Nov 03,2020
513
Program Your First FPGA With GOWIN GW1N-4
If you’re a software developer like me, you might be thrilled to see so many exciting embedded hardware platforms that we can now program easily, from Arduinos to the PADI IoT Stamp and the STM32 Blue...
PCBWay
Oct 30,2020
668
Design of BUCK Constant Current Source Circuit Based on RCC
RCC stands for Ringing choke converter, which also means oscillating-blocking power converter. As a once very popular power converter structure, with the rapid development of the integrated circuit in...
PCBWay
Oct 28,2020
1957
Why use FPGA for IoT? Here’s what I think…
Everywhere people are buzzing about FPGA — Field-Programmable Gate Array. It’s a computing device that works like an Arduino Microcontroller — but in a different way. A microcontroller contains a CPU ...
PCBWay
Oct 26,2020
1913
How to get started with LoRa LPWAN using TTGO LoRa32
This tutorial covers how to get started with LoRa LPWAN using TTGO LoRa32 SX1276. TTGO Lora32 is an ESP32 device with a LoRa module and an SSD1306 LCD display.Using a pair of these devices, we will ex...
PCBWay
Oct 23,2020
522
6 Misuses of Operational Amplifiers in the Design of Measurement and Control Circuits
Operational amplifier is a very important component in the measurement and control circuit, and has a very wide range of applications in the measurement and control circuit. As a commonly used device,...
PCBWay
Oct 20,2020
678
Build and Flash Rust+Mynewt Firmware for PineTime Smart Watch
All you need is a Raspberry Pi and a Windows or macOS computer!UPDATE: This code in this article has been archived in the pre-lvgl branch of pinetime-rust-mynewt. The pinetime-rust-mynewt firmware has...
PCBWay
Oct 13,2020
382
Porting [druid] Rust Widgets to PineTime Smart Watch
A button that responds to our tapping and increments a counter… That’s what we shall accomplish today on the PineTime Smart Watch…The Watch App we see in the video was created with the [druid] Crate i...
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