Article on how to replace microUSB with USB-C connector in USB 2.0 devices. Real parts and schematics are used as examples.
VS1000 does not have a dedicated line output. We go over some simple VS1000 line out schematics and connections to an audio amplifier.
PCBway is a very popular PCB manufacturer. In this short note, we lay out the most common PCBway 4-layer PCB stackup for 1.6mm FR4 PCBs.
The ESP32 CP2102 programmer schematic is described in brief in this article. This can be used for auto-programming both ESP32 and ESP8266.
The ESP32 may be a low power chip when compared with other WiFi or networking chipsets in the domain. But in conventional terms, ESP32 is not exactly a low power …
The LIS3DH triple axis accelerometer by ST Micro is one of the popular, low cost and extremely low power MEMS accelerometers in the market today. It does carry the weight …
The new ZMOD4510 gas sensor from IDT (Renesas) hit the market a few months ago and is a unique sensor of its kind.This first post (of many, we assume) is …
Here is a quick guide to PCB drill sizes for common screw or fastener sizes used for mounting PCBs, M3 for example. The table does NOT list the recommended clearance …
A 3.3V PIR sensor for low power or battery based applications is hard to find, for some reason. Modules that you find out there for Arduino are not exactly low …
The ESP32 WiFi/BT SoC from Espressif Systems supports wired ethernet along with wireless networking, which could be a huge advantage for applications that need wired connectivity. Ethernet is still a …