The ESP32 CH340 programmer schematic is described in brief in this article. This can be used for auto-programming both ESP32 and ESP8266.
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)…
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…
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